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.
Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu | |
904L | min. max. | - 0.020 | - 2.00 | - 1.00 | - 0.045 | - 0.035 | 19.0 23.0 | 23.00 28.00 | 4.00 5.00 | 0.10 0.25 | 1.00 2.00 |
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The mechanical properties of grade 904L stainless steel coil are displayed in the following table.
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness (Brinell) | |
904L | 8 | 1300 – 1390 ℃ | 490 | 220 | 35% min | - |
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