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1Cr18Ni9
1Cr18Ni9 is a typical 18-8 austenitic stainless steel, corresponding to the American brand 302. This brand has high carbon content, good uniform corrosion resistance, cold working formability and weldability, but its corrosion resistance and intergranular corrosion resistance are poor. After sensitization treatment at about 650 ° C or long-term insulation at medium temperature, intergranular corrosion sensitivity is high. This brand is applicable to manufacturing parts and weldments with certain corrosion resistance and low strength requirements under medium temperature. Cold drawn steel wire and cold rolled steel strip can be used to manufacture stainless steel springs at room temperature, low temperature and below 250 ° C. This brand can not be strengthened by heat treatment, but because of its high carbon content, high strength can be obtained by cold work hardening.
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product details
|
Brand |
1Cr18Ni9 |
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Similar brands |
S30210 12Cr18Ni9 302 S30200 X10CrNi 18-8 |
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Correspondingstandards |
GB/T 20878-2007 《Grade and chemical composition of stainless steel and heat-resistant steel》 GB/T 1220-2007《The stainless steel rod》 GB/T 4239-1991 《Stainless steel and heat-resistant steel strip》 GJB 2294-1995《Specification for stainless steel and heat-resistant steel bars for aircraft》 GJB 2295A-2006《Specification for cold rolled stainless steel sheets for aircraft》 GJB 3320-1998《Specification for stainless steel spring wire for aircraft》 |
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Classification |
Austenitic stainless steel |
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Performance |
Corrosion resistance Malleability Machinability Weldability |
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Label |
Austenitic stainless steel |
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Explain |
1Cr18Ni9 is a typical 18-8 austenitic stainless steel, corresponding to the American brand 302. This brand has high carbon content, good uniform corrosion resistance, cold working formability and weldability, but its corrosion resistance and intergranular corrosion resistance are poor. After sensitization treatment at about 650 ° C or long-term insulation at medium temperature, intergranular corrosion sensitivity is high. This brand is applicable to manufacturing parts and weldments with certain corrosion resistance and low strength requirements under medium temperature. Cold drawn steel wire and cold rolled steel strip can be used to manufacture stainless steel springs at room temperature, low temperature and below 250 ° C. This brand can not be strengthened by heat treatment, but because of its high carbon content, high strength can be obtained by cold work hardening. |
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Density |
7.92g/cm3 |
Chemical composition:%
| Element | C | Si | Mn | P | S | Cr | Ni |
N |
| Min. | - | - | - | - | - | 17 | 8 | - |
| Max. | 0.15 | 1 | 2 | 0.045 | 0.03 | 19 | 10 | 0.1 |
Note: The above information is for reference only. Some elements in different standards and specifications may be different.
The information of the above materials is rough description, and any deviation may be used for reference only
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