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Grade : | 1.4940压力用无缝钢管 | ||||||||
Number: | X7CrNiTi18-10 | ||||||||
Classification: | 奥氏体抗蠕变钢 | ||||||||
Density: | 7.9 g/cm 3 | ||||||||
Standard: | |||||||||
EN 10216-5:2014压力用无缝钢管。技术交付条件。不锈钢管 | |||||||||
EN 10088-1:2005不锈钢。不锈钢清单 | |||||||||
Equivalent grades: | |||||||||
Chemical composition % of steel X7CrNiTi18-10 (1.4940): EN 10216-5-2014 | |||||||||
C | Si | Mn | Ni | P | S | Cr | N | Ti | - |
0.04 - 0.08 | max 1 | max 2 | 9月13日 | max 0.04 | max 0.015 | 17 - 19 | max 0.1 | 0.2 - 0.8 | 5*(C+N) < Ti < 0.8 |
Mechanical properties of steel X7CrNiTi18-10 (1.4940) | |||||||||
Rm - Tensile strength (MPa) (+AT) | 510-710 | ||||||||
Rp0.2 0.2% proof strength (MPa) (+AT) | 190 | ||||||||
KV - Impact energy (J) longitud., (+AT) | +20° | ||||||||
100 | |||||||||
KV - Impact energy (J) transverse, (+AT) | +20° | ||||||||
60 | |||||||||
A - Min. elongation at fracture (%) longitud., (+AT) | 35 | ||||||||
A - Min. elongation at fracture (%) transverse, (+AT) | 30 | ||||||||