 
	
鋼管牌號1Cr19Ni11Nb化學成分
| 牌號 | 化學成分(質量分數)(%) | ||||||||
| C | Mn | Si | Cr | Mo | Ni | Nb+Ta | S | P | |
| ≤ | |||||||||
| 1Cr19Ni11Nb | 0.04~0.10 | ≤2.00 | ≤1.00 | 17.00~20.00 | _ | 9.00~13.00 | ≤8C%~1.00% | 0.030 | 0.035 | 
1Cr19Ni11Nb力學性能
| 牌號 | 拉力強度MPa | 屈服點MPa | 伸長率(%) | 
| 1Cr19Ni11Nb | ≥520 | 205 | 3 | 
