| Grade : | Z2CND18-13壓力用無(wú)縫鋼管 | ||||||||
| Number: | X7CrNiNb18-10 | ||||||||
| Classification: | 奧氏體抗蠕變鋼 | ||||||||
| Density: | 7.9 g/cm 3 | ||||||||
| Standard: | |||||||||
| EN 10216-5:2014壓力用無(wú)縫鋼管。技術(shù)交付條件。不銹鋼管 | |||||||||
| EN 10222-5:2000壓力用鋼鍛件。馬氏體、奧氏體和奧氏體-鐵素體不銹鋼 | |||||||||
| EN 10088-1:2005不銹鋼。不銹鋼清單 | |||||||||
| Equivalent grades: | |||||||||
| Chemical comb % of steel X7CrNiNb18-10 (Z2CND18-13): 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 (Z2CND18-13) | |||||||||
| 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 |
