低温钢 x2crNiN18-10
德国DIN-EN标准低温钢:20MN61.116914Ni61.562224Ni81.563312Ni1410Ni141.5637X12Ni512Ni91.5680X8Ni91.5662X7Ni91.566311MnNi5-31.621213MnNi6-31.621715NiMn61.6228X7NiMo61.634926CrMo41.7219x2crNiN18-101.4311X2CrNiMoN17-11-21.4406)