德国不锈耐热钢：X40CrMoVN16-2 X14CrMoS17 X39CrMo17-1 X105CrMo17 X90CrMoV18 X17CrNi16-2 X1CrNiMoCu12-5-2X2CrNiMoV13-5-2 X3CrNiMo13-4 X4CrNiMo16-5-1 X1CrNiMoAlTi12-9-2 X1CrNiMoAlTi12-10-2 X5CrNiCuNb16-4 X7CrNiAl17-7 X5CrNiMoCuNb14-5 X5NiCrTiMoVB25-15-2 

不锈钢是不锈耐酸钢的简称。具体是指在大气、水蒸汽、淡水等弱腐蚀介质中耐腐蚀或具有不锈性的钢种称为不锈钢；而将耐化学介质腐蚀（酸、碱、盐等化学浸蚀）的钢种称为耐酸钢。由于两者在化学成分上的差异而使他们的耐蚀性不同，普通不锈钢一般不耐化学介质腐蚀，而耐酸钢则一般均具有不锈性能，通俗地说，不锈钢就是不容易生锈的钢，实际上一部分不锈钢，既有不锈性，又有耐酸性（耐蚀性）。

1.4006 1.4005 1.4024 1.4021 1.4028 1.4029 1.4031 1.4034 1.4035 1.4419 1.4110 1.4116 1.4109 1.4123 1.4104 1.4122 1.4125 1.4112 1.4057 1.4422 1.4423 1.4415 1.4313 1.4418 1.4530 1.4596 1.4542 1.4568 1.4594 1.4606 X5CrNi17-7 X10CrNi18-8 X9CrNi18-9 X2CrNiN18-7 X2CrNi18-9 X2CrNi19-11 X5CrNiN19-9 X2CrNiN18-10 X5CrNi18-10 X8CrNiS18-9 X6CrNiTi18-10 X6CrNiNb18-10 X4CrNi18-12 X1CrNi25-21 X2CrNiMo17-12-2 X2CrNiMoN17-11-2 X5CrNiMo17-12-2 X1CrNiMoN25-22-2 X6CrNiMoTi17-12-2 X6CrNiMoNb17-12-2 X2CrNiMo17-12-3 X2CrNiMoN17-13-3 X3CrNiMo17-13-3 X3CrNiMo18-12-3 X2CrNiMo18-14-3 

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X1NiCrMoCu31-27-4 1.4319 1.4310 1.4325 1.4318 1.4307 1.4306 1.4315 1.4311 1.4301 1.4305 1.4541 1.4550 1.4303 1.4335 1.4404 1.4406 1.4401 1.4466 1.4571 1.4580 1.4432 1.4429 1.4436 1.4449 1.4435 1.4434 1.4438 1.4439 1.4652 1.4361 1.4369 1.4372 1.4371 1.4373 1.4374 1.4597 1.4560 1.4650 1.4570 1.4567 1.4578 1.4563 X1NiCrMoCu25-20-5 X1CrNiMoCuN25-25-5 X1CrNiMoCuN20-18-7​​

锈钢的分类方法很多。按室温下的组织结构分类，有马氏体型、奥氏体型、铁素体和双相不锈钢；按主要化学​