Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASME SB677 / ASTM B677 |
| Material Grade | UNS N08904/1.4539/TP904L |
| Type | Seamless,Welded |
| Packing | Ply Wooden Case , Woven Flexible Bag In Hex Bundle |
| Application | Petroleum/Petrochemical Equipment/Seawater System |
| Brand Name | YUHONG |
| Model Number | ASME SB677 TP904L |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASME SB677 / ASTM B677 | Material Grade | UNS N08904/1.4539/TP904L |
| Type | Seamless,Welded | Packing | Ply Wooden Case , Woven Flexible Bag In Hex Bundle |
| Application | Petroleum/Petrochemical Equipment/Seawater System | Brand Name | YUHONG |
| Model Number | ASME SB677 TP904L | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | UNS N08904 Seamless Stainless Steel Pipe ，1.4539 Stainless Steel Seamless Pipe | ||
ASME SB677 TP904L/1.4539/UNS N08904 Stainless Steel Seamless Pipe
904L stainless steel material is a super austenitic stainless steel material, grade 00Cr20Ni25Mo4.5Cu, UNS: N08904, EN: 1.4539. It is a high alloyed austenitic stainless steel with low carbon content and has good corrosion resistance in dilute acid, designed specifically for environments with harsh corrosion conditions. It has a high chromium content and sufficient nickel content. The addition of copper gives it strong acid resistance, especially high resistance to chloride interstitial corrosion and stress corrosion cracking. It is highly resistant to corrosion spots and cracks, and has slightly better resistance to pitting compared to other steel grades. It has good machinability and weldability. Solid solution state without magnetism.
ASME SB677 TP904L stainless steel seamless pipe is the benchmark material of super austenitic stainless steel, with high molybdenum, high copper and ultra-low carbon as its core advantages. It is irreplaceable in moderate reducing acid + mixed halide environment.
The chemical composition of 904L is C ≤ 0.03, Si ≤ 1.00, Mn ≤ 2.00, P ≤ 0.035, S ≤ 0.03, Ni: 23.0-25.0, Cr: 18.0-20.0, Mo: 3.0-4.0, Cu: 4.0-5.0. The minimum mechanical properties of 904L alloy at room temperature: alloy and state: 926, tensile strength (Rm N/mm2): 490, yield strength (RP0.2N/mm2): 216, elongation A5%: 35
Composition ranges for 904L grade of stainless steels.
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu | |
| 904L | min. max. | - 0.020 | - 2.00 | - 1.00 | - 0.045 | - 0.035 | 19.0 23.0 | 4.0 5.0 | 23.0 28.0 | 1.0 2.0 |
Mechanical properties of 904L grade stainless steels.
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| 904L | 490 | 220 | 35 | 70-90 typical | - |
| Rockwell Hardness value range is typical only; other values are specified limits. | |||||
Typical physical properties for 904L grade stainless steels.
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (m/m/C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100C (J/kg.K) | Elec Resistivity (n.m) | |||
| 0-100C | 0-315C | 0-538C | At 20C | At 500C | |||||
| 904L | 8000 | 200 | 15 | - | - | 13 | - | 500 | 850 |
Grade specifications for 904L grade stainless steels.
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 904L | N08904 | 904S13 | - | 1.4539 | X1NiCrMoCuN25-20-5 | 2562 | - |
| These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. | |||||||
Possible alternative grades to 904L stainless steel.
| Grade | Why it might be chosen instead of 904L |
| 316L | A lower cost alternative, but with much lower corrosion resistance. |
| 6Mo | A higher resistance to pitting and crevice corrosion resistance is needed. |
| 2205 | A very similar corrosion resistance, with the 2205 having higher mechanical strength, and at a lower cost to 904L. (2205 not suitable for temperatures above 300C.) |
| Super duplex | Higher corrosion resistance is needed, together with a higher strength than 904L. |
Typical application scenarios of ASME SB677 TP904L
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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