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Grade : 309 奥氏体耐热钢 Number: X15CrNiSi20-12 Classification: 奥氏体耐热钢 Density: 7.9 g/cm 3 镍合金 < 5不锈钢。不锈钢清单Chemical composition % of steel X15CrNiSi20-12 (309 ): EN 10095-1999 C Si Mn Ni P S Cr N max 0.2 1.5 - 2.5 max 2 11月13日 max 0.045 max 0.015 19 - 21 max 0.11 Mechanical properties of steel &n ) Rm - Tensile strength (MPa nbsp; Rp0.2 0.2% proof strength (MPa) (+AT) 230 A - Min. elongation at fracture (%) (+AT) 28-30 Brinell hardness (HB): (+AT) 223 Properties of steel   Maximum application temperature for air T= 1000 ° C |
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