不锈钢常按组织状态分为：马氏体钢、铁素体钢、奥氏体钢、奥氏体-铁素体（双相）不锈钢及沉淀硬化不锈钢等。另外，可按成分分为：铬不锈钢、铬镍不锈钢和铬锰氮不锈钢等。
德国不锈耐热钢:
X7Cr13 X7Cr14 X7CrAl13 X12CrS13 X10Cr13 X8Cr17 X20Cr13
X15Cr13 X46Cr13 X22CrNi17 X12CrMoS17 X100CrMo13 X20CrMo13X55CrMo14 X110CrMoV15
X90CMoV18 X6CrMo17 X45CuMoV15 X38CrMoV15 X15CrMo13 X20CrMo13 X35CrMo17
X105CrMo17 X5CrNi189 X5CrNi1911 X12CrNiS188 X2CrNi189 X12CrNi177 X2CrNiN1810
X2NiCr1815 X5CrNiMo1810 X2CrNiMo1810 X2CrNiMoN1812 X2CrNiMoN1813 X2CrNiMo1812
X5CrNiMo1812 X2CrNiMo1816 X3CrNiMoN17135 X5CrNiMo1713 X8CrNiMo275 X12CrNiMoN225
X5NiCrMoCuNb2018 X5NiCrMoCuTi2018 X8CrTi17 X8CrNb17 X5CrTi12 X8CrMoTi17
X90CrCoMoV17 1.4000 1.4001 1.4002 1.4005 1.4006 1.4016 1.4021
1.4024 1.4034 1.4057 1.4104 1.4108 1.4109 1.4110 1.4111 1.4112 1.4113 1.4116
1.4117 1.4119 1.4120 1.4122 1.4125 1.4301 1.4303 1.4305 1.4306 1.4310 1.4311
1.4321 1.4401 1.4404 1.4406 1.4429 1.4435 1.4436 1.4438 1.4439
