ASTM A516 Grade 60 Pressure Vessel Carbon Steel Flanges Manufacturer & Supplier
Metinox Overseas is a renowned producer and distributor of the ASTM A516 Grade 60 Carbon Steel Flange that is mentioned to the pressure vessels and boiler services where higher notch toughness is needed in service at medium and lower temperature. These ASME SA516 Grade 60 Flanges are fabricated of high quality controlled chemical composition of pressure vessel (PVQ) carbon steel which provide tensile minimum 415 Mpa and yield 220 Mpa. It is applied in Welded Pressure Vessels construction, storage tanks and boilers, as well as construction of moderate to high temperature range, between -29 deg C ( -20 deg F ) to moderate and high temperature and this is why it is used by the API 650 storage tanks, pressure vessels, heat exchanger, boilers and chemical processing equipment.
The reason that it is superior to the normal structural steels in terms of notch toughness and weldability is the fine austenitic grain structure that is developed to be used in the production of killed steel. The Grade 60 Weld Neck Flanges, Slip-On Flanges, Blind Flanges and Spectacle Blind Flanges are designed to ANSI/ASME B16.5 (1/2 to 24 NB), ASME B16.47 series A and B dimensional (26 to 60 NB) requirements, and in 150 to 2500 PSI pressures. Both the flanges go through intensive quality checks such as dimensional inspection, PMI inspection, tensile tests and ultrasonic inspection as required by ASTM A20/A961 specifications and in some instances, normalized heat treatment is done on flanges when the thickness of the same exceeds 38mm (1.5 inches).
Table of Contents
- ASTM A516 Grade 60 Flanges Technical Specifications
- ASTM A516 Grade 60 Equivalent Grades
- ASTM A516 Grade 60 Chemical Composition
- Mechanical Properties of ASTM A516 Grade 60 Flanges
- ASTM A516 Grade 60 Flange Dimensions & Pressure Rating Chart
- Types of ASTM A516 Grade 60 Flanges Available
- Standard Flange Sizes & Weight Chart
- Is ASTM A516 Grade 60 Good Quality for Pressure Vessels?
- Heat Treatment & Testing Requirements
- ASTM A516 Grade 60 Carbon Steel Flanges Price List 2026
- Applications of ASTM A516 Grade 60 Flanges in Industry
- Why Choose ASTM A516 Grade 60 Flanges from Metinox Overseas?
- ASTM A516 Grade 60 Flange Delivery Time & CIF Pricing by Country
- Other Types of Pressure Vessel A516 Gr 60 Flanges
- Popular Locations Where We Supply ASTM A516 Grade 60 Flanges
- Frequently Asked Questions (FAQ)
ASTM A516 Grade 60 Flanges Technical Specifications
| Feature | Details |
| Specifications | ASTM A516 / ASME SA516 / MSS SP-44 |
| Grade | Grade 60 (also available: Gr 55, 65, 70) |
| Dimensional Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, API 605, MSS SP-44 |
| Size Range | 1/2" (15 NB) to 60" (1500 NB) |
| Pressure Class | 150#, 300#, 400#, 600#, 900#, 1500#, 2500# (B16.5); 75#, 150#, 300#, 400#, 600#, 900# (B16.47) |
| Flange Types | Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Spectacle Blind, Orifice, Reducing |
| Flange Face | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Male & Female, Tongue & Groove |
| Manufacturing Type | Forged from Plate, Ring Rolled (for large diameter) |
| Steel Type | Killed Steel, Fine Austenitic Grain Size |
| Heat Treatment | As-Rolled (<38mm), Normalized (>38mm or as specified) |
| Testing | Tensile Test, Hardness Test, PMI Test, Ultrasonic Test, Hydrostatic Test, Optional Impact Test |
| Inspection | Third Party Inspection by TUV, SGS, Bureau Veritas, Lloyd's, DNV GL, BV, ABS |
| Certifications | EN 10204 3.1B MTC, ASME B31.3, PED 2014/68/EU, CE Marked, API 650, API 620 |
ASTM A516 Grade 60 Equivalent Grades
| Standard | USA | Germany | Europe | Japan | India | UK | China |
| A516 Gr 60 | ASTM A516 Gr 60 ASME SA516 Gr 60 | 1.0425 P265GH | P265GH EN 10028-2 | SB450 JIS G3103 | IS 2002 Gr 2 | BS 1501-161 Gr 430A | Q245R Q345R |
ASTM A516 Grade 60 Chemical Composition
The detailed composition of this material is given in the following table.
| Element | Composition (%) | Function |
| Carbon (C) | 0.27 max (plates =12.5mm) 0.31 max (plates >12.5mm) |
Controlled for weldability and toughness |
| Manganese (Mn) | 0.79 - 1.30 | Strength, deoxidation, improved notch toughness |
| Phosphorus (P) | 0.035 max | Controlled for ductility and toughness |
| Sulfur (S) | 0.035 max | Minimized to prevent hot cracking |
| Silicon (Si) | 0.15 - 0.40 | Deoxidizer, improves strength |
| Copper (Cu) | Not specified | Optional, typically <0.40% |
| Nickel (Ni) | Not specified | Optional, typically <0.40% |
| Chromium (Cr) | Not specified | Optional, typically <0.30% |
| Molybdenum (Mo) | Not specified | Optional, typically <0.12% |
Note: For each 0.01% reduction below specified max carbon, Mn may be increased 0.06% above specified max, up to 1.50% maximum. A516 Gr 60 plates =12.7mm may have Mn range 0.60-0.90%.
Mechanical Properties of ASTM A516 Grade 60 Flanges
The mechanical properties decide the shelflife of the material. The table below gives the information about the mechanical properties of ASTM A516 Grade 60 Flanges.
| Property | Requirement | Testing Standard |
| Tensile Strength | 415-550 MPa (60-80 ksi) | ASTM A370 |
| Yield Strength (0.2% offset) | 220 MPa (32 ksi) minimum | ASTM A370 |
| Elongation in 2" | 21% minimum (plates =12.5mm) 23% minimum (plates 12.5-19mm) 25% minimum (plates 19-38mm) 27% minimum (plates 38-50mm) |
ASTM A370 |
| Elongation in 8" | 19% minimum (plates =12.5mm) 21% minimum (plates >12.5mm) |
ASTM A370 |
| Hardness (Brinell) | 143-179 HB (typical) | ASTM E10 |
| Charpy V-Notch Impact | Optional (15 J at specified temp when required) | ASTM A370 |
ASTM A516 Grade 60 Flange Dimensions & Pressure Rating Chart
Pressure-Temperature Ratings for A516 Grade 60 Flanges
| Temperature -F (-C) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 |
|---|---|---|---|---|---|---|
| -20 to 100 (-29 to 38) | 285 psi | 740 psi | 1480 psi | 2220 psi | 3705 psi | 6170 psi |
| 200 (93) | 260 psi | 675 psi | 1350 psi | 2025 psi | 3375 psi | 5625 psi |
| 300 (149) | 230 psi | 655 psi | 1315 psi | 1970 psi | 3280 psi | 5470 psi |
| 400 (204) | 200 psi | 635 psi | 1270 psi | 1900 psi | 3170 psi | 5280 psi |
| 500 (260) | 170 psi | 600 psi | 1200 psi | 1795 psi | 3000 psi | 4995 psi |
| 600 (316) | 140 psi | 550 psi | 1095 psi | 1640 psi | 2735 psi | 4560 psi |
| 650 (343) | 125 psi | 535 psi | 1075 psi | 1610 psi | 2685 psi | 4480 psi |
Note: A516 Gr 60 has the same pressure-temperature ratings as A105 per ASME B16.5, optimized for pressure vessel service.
Types of ASTM A516 Grade 60 Flanges Available
ASTM A516 Grade 60 Orifice Flanges
ASTM A516 Grade 60 Threaded Flanges
ASTM A516 Grade 60 Reducing Flanges
ASTM A516 Grade 60 Lap Joint Flanges
ASTM A516 Grade 60 Long Weld Neck Flanges
ASTM A516 Grade 60 Spectacle Blind Flanges
ASTM A516 Grade 60 Socket Weld Flanges
ASTM A516 Grade 60 Weld Neck Flanges
ASTM A516 Grade 60 Blind Flanges
ASTM A516 Grade 60 Slip-On Flanges
Standard Flange Sizes & Weight Chart
ASTM A516 Grade 60 Weld Neck Flange Dimensions (ANSI B16.5) - Class 150 Sample
| NPS | Outside Diameter (mm) | Thickness (mm) | Bore (mm) | Hub Dia (mm) | Bolt Circle (mm) | No. of Bolts | Bolt Dia | Approx Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 1/2" | 90 | 11 | 21 | 35 | 60 | 4 | M12 | 0.45 |
| 1" | 108 | 13 | 33 | 50 | 79 | 4 | M12 | 0.86 |
| 2" | 152 | 16 | 60 | 75 | 121 | 4 | M16 | 1.80 |
| 4" | 229 | 19 | 114 | 127 | 190 | 8 | M16 | 5.40 |
| 6" | 267 | 21 | 168 | 184 | 229 | 8 | M19 | 8.60 |
| 8" | 330 | 24 | 219 | 238 | 286 | 8 | M19 | 14.5 |
| 10" | 406 | 27 | 273 | 305 | 362 | 12 | M22 | 24.0 |
| 12" | 483 | 29 | 324 | 346 | 432 | 12 | M22 | 36.0 |
| 16" | 597 | 32 | 419 | 448 | 546 | 16 | M25 | 64.0 |
| 20" | 699 | 38 | 508 | 559 | 648 | 20 | M25 | 98.0 |
| 24" | 813 | 44 | 610 | 651 | 756 | 20 | M32 | 150.0 |
Is ASTM A516 Grade 60 Good Quality for Pressure Vessels?
Yes, ASTM A516 Grade 60 is actually meant to be used in the fabrication of pressure vessels and boilers where better notch toughness is required. It is a specification of pressure vessel quality (PVQ) carbon steel with regulated chemistry and fine austenitic grain size that offers a high degree of resistance to brittle fracture when compared with normal structural steels. The material is made in the form of killed steel with fine grain practice thus making sure that the mechanical properties are constant and the material weldable all through the thickness.
Grade 60 offers tensile strength of 415 Mpa (60 ksi) and 220 Mpa yield strength; it is stronger enough to be used in moderate pressure environment but still has very good formability and weldability. The total controlled carbon level (up to 0.27% in the thin plate form) and manganese level of 0.79-1.30% produce a good balance between toughness and strength. With an excellent ductile characteristic, the specification shows elongation values of between 21-27 percent based on the thickness, and it is used in the fabrication of pressure vessels.
A516 Grade 60 is certified to meet ASME Section VIII Division 1 and 2 requirement of pressure vessels, API 650 based on atmospheric storage tanks and API 620 based on low-pressure storage tanks. The material is also rated to operate within - 29-C ( 0-F to moderate high temperature ) hence its aptness in ambient temperature pressure vessels, petroleum product storage tanks, chemical processing equipment and generally in boilers. Grade 70 is used where it is necessary to have increased strength, whereas A350 LF2 is used at temperatures below -29-C.
Heat Treatment & Testing Requirements
| Category | Parameter | Requirement / Description |
|---|---|---|
| Heat Treatment | As-Rolled Condition | Standard delivery for plates = 38 mm (1.5") thickness |
| Normalized Condition | Mandatory for plates > 38 mm (1.5") thickness | |
| Heating Temperature | 900-950-C (1650-1740-F) | |
| Cooling Method | Uniform air cooling | |
| Stress Relieving | Optional, when specified for fabricated vessels | |
| PWHT | Post-Weld Heat Treatment as required by ASME Section VIII | |
| Testing Requirements | Tensile Testing | As per ASTM A370 (Yield Strength, Tensile Strength, Elongation) |
| Hardness Testing | Brinell hardness verification | |
| PMI Testing | Positive Material Identification for grade verification | |
| Ultrasonic Testing | As per ASTM A435 or ASTM A578, when specified (Supplementary Requirement S8 or S12) | |
| Drop Weight Test | Optional, per Supplementary Requirement S6 | |
| Charpy Impact Test | Optional for low-temperature service | |
| Simulated PWHT | Optional, per Supplementary Requirement S3 | |
| Product Analysis | Chemical verification per Supplementary Requirement S2 |
ASTM A516 Grade 60 Carbon Steel Flanges Price List 2026
| Flange Type | Size Range | Pressure Class | Indicative Price Range (USD/Piece) |
|---|---|---|---|
| Weld Neck (WN) | 1/2" - 2" | 150# | $6 - $18 |
| Weld Neck (WN) | 4" - 8" | 150# | $22 - $95 |
| Weld Neck (WN) | 10" - 24" | 150# | $145 - $550 |
| Weld Neck (WN) | 1/2" - 2" | 300# | $10 - $26 |
| Weld Neck (WN) | 4" - 8" | 300# | $38 - $165 |
| Weld Neck (WN) | 10" - 24" | 300# | $220 - $780 |
| Weld Neck (WN) | 1/2" - 2" | 600# | $14 - $38 |
| Weld Neck (WN) | 4" - 8" | 600# | $65 - $245 |
| Slip-On (SO) | 1/2" - 2" | 150# | $5 - $14 |
| Slip-On (SO) | 4" - 8" | 150# | $18 - $72 |
| Slip-On (SO) | 10" - 24" | 150# | $105 - $425 |
| Blind (BL) | 1/2" - 2" | 150# | $4 - $12 |
| Blind (BL) | 4" - 8" | 150# | $20 - $78 |
| Spectacle Blind | 2" - 24" | 150# - 600# | $15 - $650 |
| Socket Weld (SW) | 1/2" - 2" | 150# - 600# | $8 - $32 |
Note: A516 Gr 60 flanges are typically priced 5-10% higher than A105 due to PVQ steel requirements and additional testing. Grade 70 is 8-12% higher than Grade 60.
Applications of ASTM A516 Grade 60 Flanges in Industry
The ASTM A516 Grade 60 Pressure Vessel Flanges are commonly used in many industrial applications, and some of the common industries are given below.
Pressure Vessels
ASME Section VIII pressure vessels, reactor vessels, separators, columns, heat exchangers.
Storage Tanks
Petroleum storage, low-pressure storage API 620, atmospheric storage tanks API 650, storage tanks.
Boilers
Fire tube boilers, water tube boilers, hockey drum, mud drum, headers.
Oil & Gas
Process Vessels, Knockout drums, flash drums, scrubbers, filters.
Petrochemical
Fractionators, distillation columns, strippers, reaction, reactors, absorbers.
Chemical Processing
Mixing Vessels, Blending tanks, reaction vessels, storage Vessels.
Power Generation
Deaerators, feedwater heaters, condensers, steam separators.
Refinery
Crude oil storage, product storage, process vessels, heat exchangers.
Water Treatment
Pressure filters, softeners tanks, clarifiers, deaerators.
Food & Beverage
Fermentation tanks, storage pressurized, process vessels, (with appropriate coating) tanks.
Why Choose ASTM A516 Grade 60 Flanges from Metinox Overseas?
Metinox Overseas offers high quality flanges in the form of ASTM A516 Grade 60 pressure vessels of up to 100 percent material traceability, test reports that are certified and adherence to ASME Section VIII and API standards. We have certified facilities with ISO 9001:2015 that have large stocks of A516 Gr 60 flanges in 1/2 -48 NB, all in various classes of pressure vessels and storage tank operations, and which can be assembled to deliver quickly.
All flanges will be shipped with EN 10204 3.1B Mill Test Certificates that contain actual chemical composition, tensile test, heat treatment, grain size check, and compliance to ASME/API codes. When required, we offer additional testing as per the ASTM A20 requirements such as ultrasonic examination (S8, S12), drop weight test (S6), simulated PWHT test (S3), and product analysis test (S2).
The technical team provides professional assistance in the material selection in designing pressure vessels according to ASME Section VIII, API 650/620, welding processes, and code compliance. We have third-party inspection support using TUV, SGS, DNV GL, and Bureau Veritas which will allow your A516 Gr 60 flanges to be manufactured to the highest standards of pressure vessel fabrication codes. We provide pressure vessels fabricators, EPC contractors and final users in more than 60 countries with competitive rate and effective delivery schedule.
ASTM A516 Grade 60 Flange Delivery Time & CIF Pricing by Country
| Destination Region | Major Ports / Cities | Estimated Delivery Time | Typical CIF Terms |
|---|---|---|---|
| Middle East (GCC) | Dubai, Dammam, Doha, Muscat, Kuwait, Bahrain | 7-12 Days | CIF Dubai / CIF Dammam |
| Europe | Rotterdam, Hamburg, Antwerp, Southampton, Felixstowe | 22-28 Days | CIF Rotterdam / CIF Hamburg |
| USA & Canada | Houston, New York, Los Angeles, Vancouver, Montreal | 28-35 Days | CIF Houston / CIF New York |
| Southeast Asia | Singapore, Port Klang, Manila, Jakarta, Bangkok | 12-18 Days | CIF Singapore / CIF Port Klang |
| Africa | Lagos, Durban, Mombasa, Alexandria | 18-25 Days | CIF Lagos / CIF Durban |
| South America | Santos, Buenos Aires, Callao | 32-40 Days | CIF Santos / CIF Buenos Aires |
| Australia | Melbourne, Sydney, Brisbane | 25-32 Days | CIF Melbourne / CIF Sydney |
Other Types of Pressure Vessel A516 Gr 60 Flanges
ASTM A516 Grade 60 Pressure Vessel Flanges, Carbon Steel A516 Gr 60 Weld Neck Flanges, SA516 Gr 60 Slip-On Flanges, ASME A516 Grade 60 Blind Flanges, A516 Gr 60 Spectacle Blind Flanges, A516 Grade 60 Socket Weld Flanges, A516 Gr 60 Threaded Flanges, ANSI B16.5 A516 Gr 60 Lap Joint Flanges, PVQ A516 Grade 60 Orifice Flanges, A516 Gr 60 Long Weld Neck Flanges, ASTM A516 Gr 60 Reducing Flanges, A516 Grade 60 Class 150 Flanges, A516 Gr 60 Class 300 Flanges, A516 Grade 60 RTJ Flanges.
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Frequently Asked Questions (FAQ)
A516 Gr 60 is quality pressure vessel (PVQ) steel and has controlled chemistry in order to enhance notch toughness, small grain size, and killed steel practice. Although the two are similar in terms of pressure rating, A516 Gr 60 is used in ASME Section Eight pressure vessel and API storage tanks that demand documented toughness, as opposed to A105 which is used in general piping.
Grade 70 is stronger (tensile: 485-620 Mpa vs 415-550 Mpa; yield: 260 Mpa vs 220 Mpa) and a little bit richer in carbon. Grade 70 is applied on high pressure vessels and low temperature service whereas Grade 60 is applicable on moderate pressures and temperature. They both are similar in toughness properties.
Yes A516 Grade 60 is extensively applied to API 650 atmospheric storage tanks and API 620 low-pressure storage tanks. It offers great weldability, sufficient strength and reasonable notch toughness to tank shell plates, bottom plates and nozzle connections.
Plates =38mm (1.5) are normally delivered as-rolled. Plates that are more than 38mm are supposed to be normalized according to specifications. Depending on the fabricated vessels in accordance with ASME Section VIII, stress relieving may be necessary. The heat treatment after welding (PWHT) requirements are based on service conditions and design code of vessel.
According to ASME Section VIII Division 1, the minimum design metal temperature (MDMT) is -29-C (-20-F) on the condition of no impact testing and with individual combinations of thickness and stress. Impact testing or upgrade to A350 LF2 is necessary in case of low temperatures. See UCS-66 exemption curves.
A516 Gr 60 can be welded with a high level of weldability with either SMAW (E7018), GMAW (ER70S-6) or GTAW. Thin sections do not usually need preheating but at thicknesses over 25mm preheating is recommended at 95-120-C. There should be low-hydrogen welding. Adhere to Section IX qualified procedures in ASME.
EN 10204 3.1B MTC with chemical composition, tensile properties, heat treatment records, and compliance statement of ASME section 8 1 of ASME, API 650 and API 620. Additional (ultrasonic, impact, drop weight) tests that can be done as per ASTM A20 specifications.
PVQ steel is a set of materials that are ordered to meet ASTM A20 standards on pressure vessel applications such as; killed steel practice, fine austenitic grain size, controlled chemistry, required testing and traceability. PVQ steel is designed specifically to make pressure vessels and boilers A516 is produced.
The grade A516 Gr 60 has the ability to operate in sour service provided it is qualified appropriately. In the H2S case, require the compliance with the NACE MR0175/ISO 15156 requirements in HIC testing, hardness limitation (=22 HRC) and sour service reports. See NACE standards requirements.
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