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Audited Supplier Austenite 904L OD 10 - 500mm Stainless Steel Pipe For Automobile Exhaust Pipe
1. Products Details
| China GB | BESN | ASTM |
| 00Cr20Ni25Mo4.5Cu | 1.4539 | 904L |
Features
Grade 904L stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. The steel is also resistant to stress corrosion cracking and crevice corrosion. Grade 904L is non-magnetic, and offers excellent formability, toughness and weldability.
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu | |
| 904L |
min. max. |
- 0.02 |
- 2 |
- 1 |
- 0.045 |
- 0.035 |
19 23 |
4 5 |
23 28 |
1 2 |
Proprerties
| 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 | 36 | 70-90 typical | 150 |
Fabrication
Grade 904L stainless steels are high purity steels with low sulphur content. They can be machined using any standard methods. These grades can be readily bent to a small radius under cold conditions. Although subsequent annealing is not required in most cases, it should be carried out when the fabrication is performed under severe stress corrosion cracking conditions.
Application
Some of the major applications of grade 904L stainless steels include:
Wiring in electrostatic precipitators,Oil refinery components
Seawater cooling devices,Gas scrubbing plants
Pulp and paper processing industries
Acetic, phosphoric and sulphuric acid processing plants
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