Metinox Overseas stands as a globally recognized ASTM A860 WPHY 70 Pipe Fittings Manufacturer and Exporter based in Mumbai, India, specializing in high-yield carbon steel fittings designed for critical industrial applications. Our WPHY 70 fittings comply with ASTM A860/ASME SA860 standards and are engineered for high-pressure pipeline service per ASTM A860, with a minimum yield strength of 485 MPa (70 ksi), Charpy impact rating of 40 J at -45°C, and service up to 400°C in oil & gas, petrochemical, power generation, and offshore industries. ISO 9001:2015 and PED 97/23/EC certified manufacturing in Mumbai, we produce elbows, tees, reducers, caps, crosses, and stub ends in sizes ranging from 1/2" to 48" NB.
Each fitting undergoes radiography (RT), ultrasonic testing (UT), positive material identification (PMI), Charpy V-notch impact testing, and dimensional inspection to ensure 100% defect-free products. Our manufacturing facility holds ISO 9001:2015, PED 97/23/EC, and AD 2000 Merkblatt certifications, guaranteeing international quality standards. As a trusted supplier to Fortune 500 companies across 80+ countries, Metinox Overseas delivers factory-made wrought fittings with EN 10204 3.1/3.2 certified test reports and TPI options from BV, Lloyd's, TUV, DNV, and SGS—making us your reliable source for all ASTM A860 WPHY 70 pipe fitting requirements.
Request a Quote now!Table of Contents
- Specifications of ASTM A860 WPHY 70 Pipe Fittings
- ASTM A860 Grade WPHY 70 Fittings Types
- Chemical Composition of ASTM A860 WPHY 70
- Mechanical Properties of WPHY 70 Fittings
- ASTM A860 WPHY 70 Pipe Fittings Pressure Temperature Ratings
- WPHY 70 Pipe Fittings Product Range
- WPHY 70 90° Elbow Dimensions (Long Radius)
- WPHY 70 Equal Tee Dimensions
- WPHY 70 Concentric Reducer Dimensions
- Applicable Standards for WPHY 70 Fittings
- Quality Certifications & Approvals
- Quality Testing Procedures
- Test Certificates Provided
- Industry-wise Applications
- ASTM A860 WPHY 70 Pipe Fittings Applications
- Comparative Advantages
- WPHY Grades Comparison
- When to Choose WPHY 70
- Step-by-Step Manufacturing Process
- Quality Control at Every Stage
- Country-wise Export Presence
- ASTM A860 WPHY 70 Pipe Fittings Price
- FAQs About ASTM A860 WPHY 70 Pipe Fittings
Specifications of ASTM A860 WPHY 70 Pipe Fittings
| Specification | Details |
|---|---|
| Standard | ASTM A860 / ASME SA860 |
| Equivalent Standards | EN 10028-2, DIN 17175, MSS SP-75 |
| Material Grade | WPHY 70, WPHY-70 |
| Type | Seamless / Welded / Fabricated |
| Size Range | 1/2" NB to 48" NB (DN15 to DN1200) |
| Thickness | Sch 5, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Manufacturing Process | Hot Formed, Cold Formed, Forged |
| End Connection | Butt Weld (BW), Socket Weld (SW), Threaded |
| Surface Treatment | Black Painted, Varnish Coated, Galvanized, 3PE Coated |
| Heat Treatment | Normalising, quenching and tempering, or stress relieving mandatory per ASTM A860. All WPHY grades must be heat treated; fittings formed above the transformation temperature must be cooled below the critical temperature before heat treatment. |
| Hardness | 235 HBW max (22 HRC max) per ASTM A860 — mandatory for all WPHY grades |
| API 5L Pipe Equivalent | X70 (chemistry and strength equivalent; fittings governed by ASTM A860, mating pipe by API 5L X70) |
| Test Certificates | EN 10204 3.1, EN 10204 3.2, NACE MR0175, NACE MR0103 |
ASTM A860 Grade WPHY 70 Fittings Types
Chemical Composition of ASTM A860 WPHY 70
| Element | Composition (%) | Maximum |
|---|---|---|
| Carbon (C) | 0.17 - 0.23 | 0.23 max |
| Manganese (Mn) | 1.15 - 1.65 | 1.65 max |
| Phosphorus (P) | - | 0.025 max |
| Sulfur (S) | - | 0.015 max |
| Silicon (Si) | 0.15 - 0.50 | 0.50 max |
| Nickel (Ni) | - | 0.40 max |
| Chromium (Cr) | - | 0.40 max |
| Molybdenum (Mo) | - | 0.15 max |
| Copper (Cu) | - | 0.40 max |
| Vanadium (V) | - | 0.08 max |
| Niobium (Nb) | 0.01 - 0.05 | 0.05 max |
| Titanium (Ti) | - | 0.04 max |
| Aluminum (Al) | - | 0.04 max |
Note: Single values shown are maximum limits unless otherwise stated.
Niobium Note: Niobium 0.01–0.05% is a mandatory microalloying element providing grain refinement and contributing to the high-yield strength; absence indicates non-conforming material. Verify on heat certificate.
Mechanical Properties of WPHY 70 Fittings
| Property | ASTM A860 WPHY 70 | Unit |
|---|---|---|
| Tensile Strength | 570 min | MPa (82 ksi) |
| Yield Strength | 485 min | MPa (70 ksi) |
| Elongation | 22% min | % in 50 mm |
| Hardness | 235 max (22 HRC max) | HBW |
| Impact Energy (Charpy V-Notch) | 40 J min at -45°C (-50°F) | Joules |
| Density | 7.85 | g/cm³ |
Note: This is the standard test temperature per ASTM A860; confirm minimum design temperature against project specification.
ASTM A860 WPHY 70 Pipe Fittings Pressure Temperature Ratings
| Temperature (°C) | Temperature (°F) | Pressure Rating (Bar) | Pressure Rating (PSI) |
|---|---|---|---|
| -29 to 38 | -20 to 100 | 206 | 2990 |
| 50 | 122 | 202 | 2930 |
| 100 | 212 | 193 | 2800 |
| 150 | 302 | 183 | 2650 |
| 200 | 392 | 172 | 2495 |
| 250 | 482 | 159 | 2305 |
| 300 | 572 | 144 | 2090 |
| 350 | 662 | 127 | 1840 |
| 400 | 752 | 107 | 1550 |
Caption: Pressure ratings are indicative for Schedule 40 (standard wall) fittings at the temperatures shown. Actual working pressure depends on pipe schedule, outside diameter, and applicable design code (ASME B31.4, B31.8, or B31.3). Confirm design pressure per project specification.
WPHY 70 Pipe Fittings Product Range
| Product Type | Variations Available | Size Range |
|---|---|---|
| WPHY 70 Elbows | 45°, 90°, 180° Long Radius (LR), Short Radius (SR) | 1/2" - 48" |
| WPHY 70 Tees | Equal Tee, Reducing Tee, Straight Tee, Barred Tee | 1/2" - 48" |
| WPHY 70 Reducers | Concentric Reducer, Eccentric Reducer | 1/2" - 48" |
| WPHY 70 Caps | Butt Weld End Cap, Pipe End Cap | 1/2" - 48" |
| WPHY 70 Crosses | Equal Cross, Reducing Cross, Outlet Cross | 1/2" - 24" |
| WPHY 70 Stub Ends | Long Pattern (Type A), Short Pattern (Type B) | 1/2" - 48" |
| WPHY 70 Bends | 3D, 5D, 6D, 8D, 10D Pipe Bends | 1/2" - 48" |
| WPHY 70 Nipples | Barrel Nipple, Swage Nipple, Hexagon Nipple | 1/4" - 12" |
| WPHY 70 Couplings | Full Coupling, Half Coupling, Reducing Coupling | 1/4" - 12" |
| WPHY 70 Unions | Socket Weld Union, Threaded Union | 1/4" - 4" |
| WPHY 70 Laterals | 45° Lateral (Wye), Reducing Lateral | 1" - 24" |
WPHY 70 90° Elbow Dimensions (Long Radius)
| Size (NB) | OD (mm) | Center to End (mm) | Wall Thickness (mm) | Weight Sch 40 (kg) | Weight Sch 80 (kg) |
|---|---|---|---|---|---|
| 1/2" (15) | 21.3 | 38 | 2.77 / 3.73 | 0.05 | 0.06 |
| 3/4" (20) | 26.7 | 38 | 2.87 / 3.91 | 0.07 | 0.09 |
| 1" (25) | 33.4 | 38 | 3.38 / 4.55 | 0.11 | 0.14 |
| 1-1/4" (32) | 42.2 | 48 | 3.56 / 4.85 | 0.19 | 0.24 |
| 1-1/2" (40) | 48.3 | 57 | 3.68 / 5.08 | 0.27 | 0.35 |
| 2" (50) | 60.3 | 76 | 3.91 / 5.54 | 0.52 | 0.68 |
| 2-1/2" (65) | 73.0 | 95 | 5.16 / 7.01 | 0.93 | 1.21 |
| 3" (80) | 88.9 | 114 | 5.49 / 7.62 | 1.57 | 2.07 |
| 4" (100) | 114.3 | 152 | 6.02 / 8.56 | 2.95 | 3.92 |
| 6" (150) | 168.3 | 229 | 7.11 / 10.97 | 8.62 | 12.48 |
| 8" (200) | 219.1 | 305 | 8.18 / 12.70 | 17.32 | 25.40 |
| 10" (250) | 273.1 | 381 | 9.27 / 15.09 | 32.66 | 49.44 |
| 12" (300) | 323.9 | 457 | 10.31 / 17.48 | 54.43 | 84.37 |
WPHY 70 Equal Tee Dimensions
| Size (NB) | OD (mm) | Center to End (mm) | Center to Center (mm) | Weight Sch 40 (kg) | Weight Sch 80 (kg) |
|---|---|---|---|---|---|
| 1/2" | 21.3 | 25 | 25 | 0.07 | 0.09 |
| 3/4" | 26.7 | 29 | 29 | 0.11 | 0.14 |
| 1" | 33.4 | 32 | 32 | 0.17 | 0.22 |
| 2" | 60.3 | 51 | 51 | 0.76 | 1.02 |
| 3" | 88.9 | 64 | 64 | 2.18 | 2.95 |
| 4" | 114.3 | 76 | 76 | 4.08 | 5.67 |
| 6" | 168.3 | 102 | 102 | 11.79 | 17.24 |
| 8" | 219.1 | 127 | 127 | 23.59 | 35.38 |
| 10" | 273.1 | 159 | 159 | 44.00 | 67.13 |
| 12" | 323.9 | 191 | 191 | 72.12 | 112.49 |
WPHY 70 Concentric Reducer Dimensions
| Size Reduction | Large End OD (mm) | Small End OD (mm) | Length (mm) | Weight Sch 40 (kg) |
|---|---|---|---|---|
| 2" x 1" | 60.3 | 33.4 | 64 | 0.38 |
| 3" x 2" | 88.9 | 60.3 | 76 | 0.91 |
| 4" x 3" | 114.3 | 88.9 | 89 | 1.54 |
| 6" x 4" | 168.3 | 114.3 | 114 | 4.31 |
| 8" x 6" | 219.1 | 168.3 | 152 | 9.30 |
| 10" x 8" | 273.1 | 219.1 | 191 | 17.69 |
| 12" x 10" | 323.9 | 273.1 | 229 | 29.94 |
Note: All dimensions are approximate and may vary based on manufacturing tolerances as per ASME B16.9 standards.
Applicable Standards for WPHY 70 Fittings
| Standard | Description | Applicability |
|---|---|---|
| ASTM A860 / ASME SA860 | Wrought High-Strength Ferritic Steel Butt-Welding Fittings | Primary manufacturing standard |
| ASME B16.9 | Factory-Made Wrought Butt-welding Fittings | Dimensions, tolerances, markings |
| ASME B16.25 | Butt Welding Ends | End preparation specifications |
| ASME B16.28 | Wrought Steel Buttwelding Short Radius Elbows and Returns | Short radius elbow specifications |
| MSS SP-75 | Specification for High Test Wrought Welding Fittings | Supplementary specification |
| MSS SP-43 | Wrought Stainless Steel Butt-Welding Fittings | Quality and testing requirements |
| EN 10253-2 | Butt-welding pipe fittings - Non-alloy and ferritic alloy steels with specific inspection requirements | European standard compliance |
| DIN 2605 | Pipe Bends | German standard for pipe bends |
| BS 1640 | Steel Butt-welding Pipe Fittings for the Petroleum Industry | British standard compliance |
Quality Certifications & Approvals
- ✓ ISO 9001:2015 - Quality Management System
- ✓ ISO 14001:2015 - Environmental Management System
- ✓ ISO 45001:2018 - Occupational Health & Safety Management
- ✓ PED 97/23/EC - Pressure Equipment Directive (European)
- ✓ AD 2000 Merkblatt - German Pressure Vessel Code
- ✓ NACE MR0175 / ISO 15156 - Sour Service Compliance
- ✓ NACE MR0103 - Materials Resistant to Sulfide Stress Cracking
- ✓ IBR Approved - Indian Boiler Regulation
- ✓ API 5L / API 6D - American Petroleum Institute
Quality Testing Procedures
| Test Type | Method/Standard | Purpose | Acceptance Criteria |
|---|---|---|---|
| Chemical Analysis | Spectro Analysis (OES) | Verify chemical composition | As per ASTM A860 Table 1 |
| Mechanical Testing | Tensile Test, Hardness Test | Verify strength properties | YS ≥485 MPa, TS ≥570 MPa |
| Radiography Test | ASME Sec V, Art 2 | Detect internal defects | ASME B31.3 acceptance level |
| Ultrasonic Testing (UT) | ASTM E213 | Detect laminations & flaws | No indications exceeding reference level |
| Magnetic Particle Test | ASME Sec V, Art 7 | Detect surface defects | No relevant indications |
| Liquid Penetrant Test | ASME Sec V, Art 6 | Detect surface discontinuities | No linear or rounded indications |
| PMI Test | Positive Material Identification | Verify material grade | Material must match specification |
| Hydrostatic Test | ASME B31.3 | Test pressure integrity | No leakage at 1.5x design pressure |
| Impact Test (CVN) | ASTM A370 (Charpy V-Notch) | Verify toughness at low temp | Minimum 40J at -45°C (-50°F) |
| Intergranular Corrosion | ASTM A262 Practice E | Check sensitization | No intergranular attack |
| Dimensional Inspection | ASME B16.9 | Verify dimensions | Within tolerance as per B16.9 |
| Visual Inspection | ASME B31.3 | Detect surface defects | No cracks, laps, seams, or porosity |
Test Certificates Provided
1. Mill Test Certificate (MTC)
- EN 10204 3.1 Certificate (Test report by manufacturer)
- EN 10204 3.2 Certificate (Test report validated by independent inspector)
2. Third-Party Inspection Reports
- Lloyd's Register (LR)
- Bureau Veritas (BV)
- TUV Nord / TUV SUD
- DNV GL
- SGS
- RINA
- BVQI
3. Material Traceability
- Heat Number traceability from raw material to finished product
- Complete documentation trail as per ASME B31.3
4. Performance Test Reports
- Hydrostatic test report
- PMI test report
- Radiography film interpretation report
- Dimensional inspection report
Industry-wise Applications
| Industry | Specific Applications | Why WPHY 70 is Preferred |
|---|---|---|
| Oil & Gas | Onshore/offshore pipelines, gas transmission lines, wellhead connections, production manifolds | High yield strength allows higher operating pressures; excellent sour gas resistance |
| Petrochemical | Refinery piping, cracking units, reformers, hydrocarbon processing | Superior corrosion resistance to hydrocarbons; high-temperature stability |
| Power Generation | Thermal power plants, boiler piping, steam distribution, feedwater systems | High-pressure rating; excellent weldability; cost-effective |
| Chemical Processing | Acid/alkali handling, reactor piping, storage tank connections | Chemical resistance; mechanical strength at elevated temperatures |
| Offshore Platforms | Subsea pipelines, risers, platform piping systems | Excellent toughness in low temperatures; NACE compliance for sour service |
| LNG/LPG Plants | Cryogenic piping, liquefaction units, storage terminals | Low-temperature impact properties; high strength-to-weight ratio |
| Mining Industry | Slurry pipelines, tailings transport, process piping | Abrasion resistance; durability in harsh conditions |
| Water Treatment | Desalination plants, water distribution, sewage treatment | Corrosion resistance; long service life; economical |
| Shipbuilding | Marine piping systems, ballast lines, cargo handling | NORSOK compliance; seawater corrosion resistance |
| Construction | Structural supports, pile foundations, heavy-duty frameworks | High yield strength; load-bearing capacity |
ASTM A860 WPHY 70 Pipe Fittings Applications
- ✓ High-Pressure Gas Transmission Pipelines (up to 1500 PSI)
- ✓ Crude Oil & Refined Products Pipelines
- ✓ Sour Gas Service (H2S-containing environments per NACE MR0175)
- ✓ Offshore Subsea Pipelines & Risers
- ✓ Compressor Stations & Metering Stations
- ✓ Gas Processing & Treatment Facilities
- ✓ Wellhead & Christmas Tree Connections
- ✓ Refinery Process Units (FCC, HDS, Reformers)
- ✓ Boiler & Superheater Piping Systems
- ✓ Sub-arctic and offshore low-temperature service to -45°C (-50°F) — where WPHY 70 Charpy qualification provides code compliance for cold-climate pipeline projects
Comparative Advantages
| Feature | ASTM A860 WPHY 70 | ASTM A234 WPB | Advantage |
|---|---|---|---|
| Yield Strength | 485 MPa (70 ksi) | 240 MPa (35 ksi) | 2x stronger - allows thinner walls, cost savings |
| Tensile Strength | 570 MPa | 415 MPa | 37% higher - better load-bearing capacity |
| Impact Toughness | 40J at -45°C | 27J at -20°C | Better low-temp performance |
| Wall Thickness | Thinner possible | Thicker required | Weight reduction typically up to 30% |
| Pressure Rating | Higher at same thickness | Lower | Increased operational safety |
| Weldability | Excellent (low carbon) | Good | Reduced pre/post-weld heat treatment |
| Corrosion Resistance | Superior (optimized chemistry) | Standard | Longer service life in harsh environments |
| Cost Efficiency | Higher initial, lower lifecycle | Lower initial, higher lifecycle | Potential lifecycle savings of 15-20% depending on project parameters |
| API 5L Equivalent | WPHY 70 = X70 | WPB = X42 or X52 | Higher-grade pipe specification compatibility |
WPHY Grades Comparison
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Carbon (%) | Manganese (%) | API 5L Equivalent | Typical Applications |
|---|---|---|---|---|---|---|
| WPHY 42 | 290 | 415 | 0.22 max | 0.90-1.45 | X42 | Low-pressure pipelines, water distribution |
| WPHY 46 | 320 | 435 | 0.20 max | 1.00-1.50 | X46 | Gas distribution, city gas networks |
| WPHY 52 | 360 | 460 | 0.20 max | 1.10-1.60 | X52 | Medium-pressure oil & gas pipelines |
| WPHY 56 | 390 | 490 | 0.21 max | 1.15-1.65 | X56 | High-pressure gas transmission |
| WPHY 60 | 415 | 520 | 0.22 max | 1.20-1.70 | X60 | Offshore platforms, subsea pipelines |
| WPHY 65 | 450 | 535 | 0.22 max | 1.25-1.75 | X65 | High-stress offshore applications |
| WPHY 70 | 485 | 570 | 0.23 max | 1.15-1.65 | X70 | Ultra-high pressure, sour gas service |
| WPHY 80 | 555 | 625 | 0.24 max | 1.30-1.80 | X80 | Arctic pipelines, deep water offshore |
When to Choose WPHY 70
✓ Choose WPHY 70 when:
- Operating pressure exceeds 1000 PSI
- Sour service per NACE MR0175/ISO 15156 requirements
- Low-temperature service down to -45°C (-50°F)
- Weight reduction is critical (offshore, elevated lines)
- Project requires NACE MR0175 compliance
- Long-span pipe bridges need higher strength
- Cost optimization through thinner wall thickness
✗ Consider alternatives when:
- Operating pressure below 600 PSI → WPHY 42/46/52 more economical
- Only sweet gas service → ASTM A234 WPB sufficient
- Low-temperature service below -50°C → WPHY 80 or A420 WPL6, LF2 (LTCS) required
- Budget constraints and lower strength acceptable
- Application doesn't justify premium material cost
Step-by-Step Manufacturing Process
Step 1: Raw Material Selection & Inspection
- High-grade carbon steel plates/pipes sourced from certified mills
- Incoming material inspection for chemical composition and mechanical properties
- Material segregation by heat number for traceability
Step 2: Cutting & Beveling
- CNC plasma cutting for precise blank preparation
- Automatic beveling machines for consistent weld prep
- Dimensional verification before forming
Step 3: Forming Process
- Hot Forming: Material heated to 850-950°C and formed using mandrels (for seamless fittings)
- Cold Forming: Room temperature forming with specialized dies (for smaller sizes)
- Forging: Closed-die forging for high-pressure fittings requiring maximum strength
Step 4: Welding (for Fabricated Fittings)
- Automatic GTAW/SMAW welding with qualified procedures
- Pre-heating when required as per WPS
- Multi-pass welding for thick wall fittings
Step 5: Heat Treatment
- Normalizing: Heating to 900-950°C followed by air cooling to refine grain structure
- Stress Relieving: 600-650°C soak for 1 hour per inch thickness to remove residual stresses
- Controlled cooling to prevent distortion
- For WPHY 70: Normalising at 900–950°C followed by tempering, or quench-and-temper, achieves the required minimum yield of 485 MPa with the 22 HRC hardness cap — balancing strength with toughness for low-temperature service.
Step 6: Machining & Finishing
- CNC machining for dimensional accuracy
- End facing and beveling to ASME B16.25 standards
- Surface finishing to specified roughness
Step 7: Quality Testing
- Radiography (RT), ultrasonic testing (UT), PMI, Charpy V-notch, dimensional inspection
- 100% radiography for seamless fittings
- Random sampling for mechanical testing
Step 8: Marking & Identification
- Low-stress stamping or ink marking
- Details: Standard (ASTM A860), Grade (WPHY 70), Size, Schedule, Heat Number, Manufacturer ID
- Traceability code for internal tracking
Step 9: Surface Treatment
- Black painting with anti-rust compound
- Varnish coating for storage protection
- Optional: Galvanizing, 3PE coating, FBE coating
Step 10: Packaging & Dispatch
- Individual wrapping in bubble wrap
- Wooden crates/boxes for export shipments
- Proper labeling with product details and destination
Quality Control at Every Stage
- ✓ Incoming Material Inspection - Chemical & mechanical verification
- ✓ In-Process Inspection - Dimensional checks during forming
- ✓ Post-Welding Inspection - Visual, PT/MT, RT for weld integrity
- ✓ Heat Treatment Monitoring - Temperature & time recording
- ✓ Final Inspection - RT, UT, PMI, CVN, dimensional testing before dispatch
- ✓ Third-Party Verification - Independent inspector validation (if required)
Country-wise Export Presence
| Region | Countries We Export To |
|---|---|
| Middle East | UAE (Dubai, Abu Dhabi), Saudi Arabia (Riyadh, Jeddah, Dammam), Qatar, Oman, Kuwait, Bahrain, Iraq, Jordan, Yemen |
| Asia Pacific | Singapore, Malaysia, Indonesia, Thailand, Vietnam, Philippines, South Korea, Japan, China, Taiwan, Hong Kong |
| Europe | UK, Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Czech Republic, Romania, Russia, Turkey |
| Africa | Egypt, South Africa, Nigeria, Kenya, Algeria, Morocco, Tunisia, Ghana, Tanzania, Libya |
| North America | USA (Houston, New York, Los Angeles), Canada (Toronto, Calgary, Vancouver), Mexico |
| South America | Brazil, Argentina, Chile, Colombia, Peru, Venezuela, Ecuador |
| Australia & Oceania | Australia (Sydney, Melbourne, Perth), New Zealand |
ASTM A860 WPHY 70 Pipe Fittings Price
| Product | Size Range | Price Range (USD) | Notes |
|---|---|---|---|
| WPHY 70 90° LR Elbow | 1/2" - 2" | $3 - $15 per piece | Seamless, Sch 40 |
| WPHY 70 90° LR Elbow | 3" - 6" | $18 - $85 per piece | Seamless, Sch 40 |
| WPHY 70 90° LR Elbow | 8" - 12" | $95 - $280 per piece | Seamless, Sch 40 |
| WPHY 70 90° LR Elbow | 14" - 24" | $320 - $850 per piece | Welded, Sch 40 |
| WPHY 70 Equal Tee | 1/2" - 2" | $4 - $22 per piece | Seamless, Sch 40 |
| WPHY 70 Equal Tee | 3" - 6" | $28 - $120 per piece | Seamless, Sch 40 |
| WPHY 70 Equal Tee | 8" - 12" | $135 - $420 per piece | Seamless/Welded, Sch 40 |
| WPHY 70 Concentric Reducer | 2"x1" - 6"x4" | $6 - $55 per piece | Seamless, Sch 40 |
| WPHY 70 Concentric Reducer | 8"x6" - 12"x10" | $68 - $240 per piece | Seamless/Welded, Sch 40 |
| WPHY 70 End Cap | 1/2" - 6" | $2 - $35 per piece | Seamless, Sch 40 |
| WPHY 70 Stub End | 1/2" - 12" | $5 - $180 per piece | Type A, Sch 40 |
Price Factors:
- Size and wall thickness (schedule)
- Type: Seamless vs. Welded
- Quantity ordered (bulk discounts available)
- Additional testing requirements
- Special coatings or treatments
- Urgent delivery requirements
- Market raw material prices (subject to fluctuation)
Note: Prices are FOB Mumbai/Ex-Works. Request formal quotation for accurate pricing.
FAQs About ASTM A860 WPHY 70 Pipe Fittings
WPHY 70 stands for Wrought Pipe High-Yield — referring to a factory-made (wrought) pipe fitting with a high minimum yield strength of 70 ksi (485 MPa). The 'W' denotes wrought (formed from pipe material), 'P' denotes pipe, 'H' high-yield, and '70' the minimum yield in ksi.
Metinox Overseas manufactures WPHY 70 fittings from 1/2" NB (DN15) to 48" NB (DN1200) in various schedules. Custom sizes beyond 48" can be fabricated on special order.
Yes, ASTM A860 WPHY 70 fittings are suitable for sour gas and H2S environments when produced according to NACE MR0175/ISO 15156 standards. Proper heat treatment and testing ensure resistance against sulfide stress cracking.
The pressure rating of ASTM A860 WPHY 70 fittings depends on pipe size, schedule, and operating temperature. SCH 40 fittings can handle approximately 2990 PSI at 38°C, 2495 PSI at 200°C, and 1550 PSI at 400°C. Refer to the Pressure Temperature Ratings table for detailed values.
ASTM A860 WPHY 60 is a high-yield carbon steel material used to manufacture butt weld fittings for high-pressure piping systems. It provides a minimum yield strength of 60 ksi (415 MPa) and is widely used in oil & gas, petrochemical, and power generation industries.
ASTM A860 WPHY 70 fittings are the butt-weld fitting equivalent of API 5L Grade X70 pipe. Both share similar 485 MPa minimum yield strength and HSLA chemistry, but the governing standard for fittings is ASTM A860 / MSS SP-75, not API 5L. WPHY 70 fittings are dimensioned to ASME B16.9 / MSS SP-75 and are the code-compliant butt-weld fitting companion to API 5L X70 pipe.
Yes. ASTM A860 mandates heat treatment for all WPHY grade fittings. Acceptable methods include normalising, quenching and tempering, or stress relieving per ASTM A960. Hardness must not exceed 22 HRC (235 HBW) after heat treatment.
Request a Quote for ASTM A860 WPHY 70 Pipe Fittings
Share your size, schedule, fitting type, quantity, testing requirements, and delivery destination. Metinox Overseas will respond with pricing, availability, and technical documentation support.
Request a Quote now!Enquire Now
Get pricing within 24 hours!
