Metinox Overseas is a well-known manufacturer and supplier of SS 904L austenitic stainless steel tubes (low carbon content) that are non-stabilized and it is known to be one of the few stainless steel sheets that despite the range of concentration of acid (dilute) 0-100percent) is the most resistant at temperatures of up to 35 Degree C/ 95 Degree F. Welded Tubes is a low-carbon, high-alloy austenitic stainless steel that is commonly used in areas where the corrosion properties of Stainless Steel 316L and Stainless Steel 317L fail to meet the requirements. Copper is added to Stainless Steel 904L EFW Tubes to improve their ability to resist strong acids, like sulfuric acid. The resistance to stress corrosion cracking and crevice corrosion is also resistant to 904L ERW Tubes. Grade 904L is non-magnetic and is highly formable, tough and weldable.
Stainless Steel 904L EFW Tubes is a very costly product due to its high concentration of costly components, including molybdenum and nickel. Coproduction of Type 904L Tubes with copper endows it with corrosion resistance properties that are better than the traditional chrome nickel stainless steels especially sulphuric, phosphoric and acetic acids. Grade 904L Tubes is non-magnetic in all applications and is highly formable as well as weldable. In the meantime, 904L Stainless Steel Tubes also provides the austenitic structure with the best toughness to levels as low as cryogenic temperatures. It was Alloy 904L Tubes that was initially meant to work under an environment that had dilute sulfuric acid.
The ASME SB/ ASTM B 675 / SA977 are the standard specifications of this grade tube. Its dimensions are ASME, ASTM and API. The tube sizes vary between 1/8" NB and 30"NB IN. The tubes are 0.35mm to 6.35mm in thickness, from 0.1 mm to 1.2mm. These are SCH 30, 20, 40, 80, 60, 120, 140 and 120, XS, XXS and STD. The available types of tubes are ERW, LSAW, welded, fabricated and seamless. It has square, hydraulic, rounded, and rectangle forms among others. Its available lengths include single and cut length, random length that is single and available in two forms, i.e., single and cut length. The ends are plain, treaded and bevelled.
The Stainless Steel 904L Tubes are packed in different methods such as wooden boxes, wooden crates and carton boxes, shrink-wrapped.
| Specifications | ASTM B677, B674 / ASME SB677, SB674 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness Range | 0.3mm � 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| EN 10216-5 | EN 10216 904L Seamless Steel Tubes, EN 10216-5 1.4539 Seamless Steel Tube for pressure purposes |
| EN 10217-7 | EN 10217 904L Welded Steel Tubes, Steel EN 10217-7 1.4539 Welded Tube for pressure purposes |
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | KS |
| SS 904L | N08904 | 1.4539 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 | SUS 904L | 904S13 | STS 317J5L |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 � 23.00 | 4.00 � 5.00 max | 23.00 � 28.00 | 1.00 � 2.00 |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 904L | Psi � 71000, MPa � 490 | Psi � 32000, MPa � 220 | 35 % |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-100�C | 0-315�C | 0-538�C | at 100�C | at 500�C | |||||
| 904L | 8000 | 200 | 15 | - | - | 13 | - | 500 | 850 |
| Product | Price |
| TP904L Seamless SS Tubes | $2400-4000 / Ton (FOB Price) |
| SS Seamless Tubing ASTM B677 TP904L | $500-1000 / Ton (FOB Price) |
| SS Seamless Tubes TP904L | $400-2000 / Ton (FOB Price) |
| TP904l Seamless Tubes Manufacturer | $840-2000 / Metric Ton (FOB Price) |
| ASTM B674 TP904L SS Welded Tubes | $840-2000 / Metric Ton (FOB Price) |
| SB677 TP904L SS Seamless Tubes | $1.5-9 / Kilogram (FOB Price) |
| ASTM B674 Gr. TP904L Welded Tubing | $400-1000 / Ton (FOB Price) |
| Wall | Sizes ( O.D.) |
| .010 | 1/16" , 1/8" , 3/16" |
| .020 | 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
| .012 | 1/8" |
| .016 | 1/8" , 3/16" |
| .028 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
| .035 | 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .049 | 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
| .065 | 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
| .083 | 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
| .095 | 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
| .109 | 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
| .120 | 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
| .125 | 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
| .134 | 1" |
| .250 | 3" |
| .375 | 3 1/2" |
| Types | Out diameter (OD) | Wall thickness | Length |
| NB Sizes (in stock) | 1/8" ~ 8" | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Upto 6 Meters |
| Seamless 904l Seamless Tube (Custom Sizes) | 5.0mm ~ 203.2mm | As per requirement | Upto 6 Meters |
| Seamless 904l Welded Tube (in Stock + Custom Sizes) | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm | Upto 6 Meters |
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