阀门用钢:XnIWv13-13
1.2731 X40MnCr18
1.3817 45SiCr16-11 X45SiCr4
1.4704 X45XrSi9-3
1.4718 X40CrSiMo10-2
1.4731 X80CrSiMoW15-2
1.4732 X85CrMoV18-2
1.4748 X60CrMnMoVNbN21-10
1.4785 X33CrNiMnN23-8
1.4866 X53CrMnNiNbN21-9
1.4870（ASTM A535-1992）：3310
4320
4620
4720
4820
52100