德国合金结构钢:13Mn617Mn419Mn519Mn615MnV520Mn530Mn536Mn546Mn750Mn720MnV627MnSi537MnSi538MnSi446MnSi435B245B240MnB415Cr320Cr428Cr434Cr437Cr438Cr441Cr442Cr413CrMo4.415CrMo516CrMo4.420CrMo522CrMo425CrMo432CrMo1231CrMo1234CrMo435CrMo441CrMo442CrMo435CrMoV513CrMoV4.213CrMoV4.224CrMoV5.521CrVMoW1234CrAlMo541CrAlMo722CrV442CrV50CrV416MnCr520MnCr520CrMo530MnCrTi420NiCr646NiCr645NiCr614NiCr1013NiCr1222NiCr1428NiCr1031NiCr1435NiCr1814NiCr1822NiCr1420NiCrMo221NiCrMo236NiCrMo440NiCrMo6)