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| Categories | Stainless Steel Seamless Pipe |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM A312 TP904L |
| Certification: | ISO, SGS, BV, ISO&SGS, ISO/CE/SGS |
| Place of Origin: | CHINA |
| MOQ: | 100 KGS |
| Price: | NEGOTIABLE |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 1500 Tons Per Month |
| Delivery Time: | 20-80 days |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Steel grade: | 300 Series, Stainless Steel 304/316L, 400 Series, X5CrNi18-20, 200 Series |
| Type: | Seamless Pipe |
| Standard: | ASTM/AISI/JIS/DIN/EN/GB |
| Length: | Customized |
| Thickness: | Customized |
| Technique: | Cold Rolled Hot Rolled, Cold Drawn, Extrusion, Cold Drawn/Cold Rolling or Both of them |
| Product name: | Stainless Steel Pipe, 304 304L 316 316L 321 310S Stainless Steel Welded/Seamless Tube |
| Material: | Stainless Steel |
| Outer diameter: | 6-630mm, 6-762mm, 6-860mm, customized |
| Grade: | 201/202/304/304L/316/316L/321/321H/347/347H/310S/410/420/430/440/439, etc |
| Finish: | Brush Polish, Cold Drawn, Bright Annealed or Un Annealed |
| Application: | Industrial/Construction/Decoration/Chemical/Petroleum/Gas/Boiler/Heat Exchanger/Food/Medical/Shipbuilding/Aerospace/Automotive |
| Ends Treatment: | Beveled/Plain/Threaded/Flanged |
| Packing: | Standard Export Packing/Customized |
| Processing Technique: | Cold Drawn/Hot Rolled/Cold Rolled/Forged |
| Size: | Customized |
| Surface Treatment: | Polished/Mirror/Matte/Pickling |
| Welding Line Type: | ERW/LSAW/SSAW |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A312 TP904L Stainless Steel Pipe Large Outside Diameter For Chemical/Oil/Marine
Yuhong Special Steel has been operating seamless welded pipes and tubes for austenitic stainless steel and nickel alloy steels
(Hastelloy, Monel, Inconel, Inkoloy) for more than 25 years, and sells steel tubes and tubes every year. More than 80,000 tons.
Our customers have covered more than 45 countries, such as Italy, the United Kingdom, Germany, the United States, Canada,
Chile, Colombia, Saudi Arabia, South Korea, Poland, Singapore, Australia, France, etc.
Material 1.4539(alloy 904L) is an austenitic special steel with high molybdenum content, high copper content and very low carbon content.
Our product range in 1.4539 are tubes and pipes, fittings and
flanges, accessories.
Some of the quality tests carried out by our quality department includes:
| Corrosion Test | Only when specifically requested by the customer |
| Chemical Analysis | Conduct tests according to required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Fully compliant with relevant standards and ASTM A-450 and A-530 specifications, ensuring trouble-free extension, welding and use on the client side |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% hydrostatic test, check pipe leaks according to ASTM A 450 specification, the maximum pressure we can support is 20Mpa/7s. |
| Air Under Pressure Test | Check for any signs of air leakage |
| Visual Inspection | After passivation, each tube is subjected to a thorough visual inspection by trained personnel to detect surface defects and other defects |
Supplementary Testing : In addition to the above tests, we also carry out supplementary
tests on finished products. Tests carried out in this regard
include:
|
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| Material No. | 1.4539 |
|---|---|
| EN Symbol (short) | X1NiCrMoCu25-20-5 |
| AISI/SAE | — |
| UNS | N08904 |
| AFNOR | Z 2 NCDU 25-20 |
| B.S. | — |
| Alloy | alloy 904L |
| Registered work's label | — |
| Normen | VdTÜV 421 , SEW 400 |
Chemical composition ¹ | ||||||||
| C ≤ % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Cr % | Mo % | Ni % | V |
| 0,02 | 0,70 | 2,0 | 0,030 | 0,010 | 19,0-21,0 | 4,0-5,0 | 24,0-26,0 | |
| Nb | Ti | Al | Co | Cu % | N ≤ % | Fe | ||
| 1,20-2,00 | 0,15 | |||||||
| ¹ in accordance with Key to Steel 2001 | ||||||||
Special characteristics | ||
| Temperature range: | Density kg/dm³ | Hardness (HB) |
|---|---|---|
| pressure bomb/pressure vessel - 60°C bis 400°C | 7,9 | ≤ 230 |
| excellent stability against pitting corrosion, stress corrosion and intergranular corrosion | ||
Welding filler |
| 1.4539, 1.4519 |
|
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