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Grade : X20CrMoV11-1压力用不锈钢锻件 Number: 1.4922 Classification: 合金专用马氏体抗蠕变钢 Density: 7.7 g/cm 3 Standard: 钢、镍和钴合金 < 0压力用钢锻件。具有特定高温性能的铁素体和马氏体钢EN 10216-2:2014压力用无缝钢管。技术交付条件。具有特定高温性能的非合金和合金钢管 Chemical composition % of steel &nbs nbsp; C Si Mn Ni P S Cr Mo V 0.17 - 0.23 max 0.5 max 1 0.3 - 0.8 max 0.025 max 0.015 10 - 12.5 0.8 - 1.2 0.25 - 0.35 Mechanical properties of steel nbsp; Rm - Tensile strength (MPa) ( p; Rm - Tensile strength (MPa) (+QT) 700-850 ReH - Minimum yield strength (MPa) (+NT) 490 Rp0.2 0.2% proof strength (MPa) (+QT) 500 KV - Impact energy (J) longitud., (+NT) +20° 40 KV - Impact energy (J) longitud., (+QT) +20° 27-39 KV - Impact energy (J) transverse, (+QT) +20° 27 A - Min. elongation at fracture (%) longitud., (+NT) 17 A - Min. elongation at fracture (%) transverse, (+NT) 14 A - Min. elongation at fracture (%) (+QT) 15-16 |
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