Yuhong Group Co.,Ltd
| Supply Ability | 1000 tons per month |
| Delivery Time | according to quantity |
| Packaging Details | Ply-wooden case packing, with plastic caps on both ends. |
| Payment Terms | T/T,L/C |
| Standard | ASTM B677/ASME SB677 |
| Material | UNS NO8904/TP 904L/1.4539 |
| NDT Test | Eddy Current Test, Hydrostatic Test, UT, IGC, Grain Size Test , |
| Tube Finish | Pickled & Annealed, Bright Annealed |
| Packing | ply wooden case |
| Length | 6m or as required |
| Brand Name | YUHONG |
| Model Number | ASTM B677/ASME SB677 UNS NO8904/TP904L/1.4539 SMLS TUBE |
| Certification | ABS, BV, ISO, TUV, PED, DNV, ASTM |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 1000 tons per month | Delivery Time | according to quantity |
| Packaging Details | Ply-wooden case packing, with plastic caps on both ends. | Payment Terms | T/T,L/C |
| Standard | ASTM B677/ASME SB677 | Material | UNS NO8904/TP 904L/1.4539 |
| NDT Test | Eddy Current Test, Hydrostatic Test, UT, IGC, Grain Size Test , | Tube Finish | Pickled & Annealed, Bright Annealed |
| Packing | ply wooden case | Length | 6m or as required |
| Brand Name | YUHONG | Model Number | ASTM B677/ASME SB677 UNS NO8904/TP904L/1.4539 SMLS TUBE |
| Certification | ABS, BV, ISO, TUV, PED, DNV, ASTM | Place of Origin | CHINA |
| High Light | seamless boiler tubes ，seamless stainless steel tube | ||
Overview:
904L is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. It is also highly resistant to chloride attack - both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. 904L does have very substantial contents of the high cost ingredients nickel and molybdenum. Many of the applications in which this grade has previously performed well can now be fulfilled at lower cost by duplex stainless steel 2205 (S31803 or S32205), so it is used less commonly than in the past.
Specification:
| Standard Specification | ASTM B677 & Its equivalent ASME, DIN & EN Standard |
| Size | 1/4'' to 20'' or as customer required |
| Wall Thickness | 0.02'' to 2'' or as customer required |
| SS Seamless Pipe Length | Single Random Length 5 to 7 mtr Double Random Length 10 to 12 mtr |
| Seamless SS Pipe Surface Finish | Cold Finish, Bright, Polished, Annealing, Pickling, or as per client requirements |
| Manufacturing types | Seamless, Welded, ERW, EFW |
| Manufacturing Shapes | Round |
| Manufacturing Technology | Hot / Cold Formed |
| Test Reports | Eddy Current Testing, O.P Testing, Radiography Testing, Corrosion Testing, Micro Testing, Macro Testing, IGC Testing, Ultrasonic testing, Liquid Penetrate testing, etc. |
| Technique | Cold Rolled Hot Rolled |
Chemical Composition:
| Grade | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Cu |
| 904L | NO8904 | 0.02 max | 2.00 max | 0.04 max | 0.03 max | 1.00 max | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | 1.0-2.0 |
Mechanical Properties:
| Grade | Tensile Strength, min, ksi (MPa) | Yield Strength, min, ksi (MPa) | Elongation in 2 in. or 50mm, min (%) | Hardness | Solutioning Temperature, min, °F(°C) | |
| Rockwell | Brinell/Vickers | |||||
| 904L | 71(490) | 31(215) | 35 | 90HRB | 192HBW/200HV | 2000(1100) |
Equivalent Grades:
| Standard | WERKSTOFF NR. | Unified Numbering System | European Standards | AFNOR | British Standards | GOST | Japanese Standards |
| 904L | 1.4539 | NO8904 | X1NiCrMoCu25-20-5 | Z2 NCDU 25-20 | 904S13 | - | SUS 890L |
Applications:
1.Cooling equipment for seawater
2.Gas washing
3.Control and instrumentation
4.Heat exchangers
5.Oil and gas industry
6.Pharmaceutical production
7.Wiring in electrostatic precipitators
8.Chemical processing of sulphuric, phosphoric and acetic acids
9.Condenser tubes
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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