| Grade : | Z2CND17-11压力用无缝钢管 | ||||||||
| Number: | X7CrNiNb18-10 | ||||||||
| 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 10222-5:2000压力用钢锻件。马氏体、奥氏体和奥氏体-铁素体不锈钢 | |||||||||
| EN 10088-1:2005不锈钢。不锈钢清单 | |||||||||
| Equivalent grades: | |||||||||
| Chemical comb % of steel X7CrNiNb18-10 (Z2CND17-11): EN 10216-5-2014 | |||||||||
| C | Si | Mn | Ni | P | S | Cr | N | Nb | - |
| 0.04 - 0.1 | max 1 | max 2 | 9月12日 | max 0.04 | max 0.015 | 17 - 19 | max 0.1 | 0.4 - 1.2 | 10*C < Nb < 1.2 |
| Mechanical properties of steel X7CrNiNb18-10 (Z2CND17-11) | |||||||||
| Rm - Tensile strength (MPa) (+AT) | 510-710 | ||||||||
| Rp0.2 0.2% proof strength (MPa) (+AT) | 205 | ||||||||
| KV - Impact energy (J) transverse, (+AT) | +20° | -196° | |||||||
| 60 | 40 | ||||||||
| KV - Impact energy (J) longitud., (+AT) | +20° | ||||||||
| 100 | |||||||||
| A - Min. elongation at fracture (%) transverse, (+AT) | 30 | ||||||||
| A - Min. elongation at fracture (%) longitud., (+AT) | 40 | ||||||||