弹簧钢: 55si2mnb 60si12mn 1070 1064 1084 9255 9260 sup6 sup3 sup7 sup9 sup10 ck75 ck85 65mn4 55si7 55sicr63 50crv4 58crmnb4..nw309s2u703u120s51jr1s22cr026.c46kms167c52wksss7c1t4k1061g1uwc452o6c1okk2j0uss4t0nmvis9983sds4kso81k27.71cr633wkt1s8c724k46s0ws5j23p9s0g188c3
轴承钢: 4118 suj2 suj3 8620 4320 9310 g20cr2ni4 20crmo gcr15 gcr9simn 52100 suj1 100cr6 104cr4w2 sncm21 sncm220 scm420 9cr18 9cr18mo sus440c……..6m8nko45903802rp0k4承v9s4sc0ns0c411wo4cncicn023sm330kn4ip3v30c1ccg452584p611t13pkc298j6809kp6d1pks5pg.mkon3no7m5cu5s0u2承cgnrs0k0c03c203k3s611c
工具钢: t7 t8 t9 t13 t14 t15 sk4 sk5 sk3 sk2 sk1 sk7 s1 s2 d2 d3 sks21 skd1 sks8 100cr6 35wcrv7 60wcrv7 210cr12 sks2 sks3 skt4 skt5 skd5 105wcr6 40crmnmo7 44nicrmov6 skd2 38crmov51 k00cstsow3v5w0uits30nsun0s钢212m281sss03822cntn1vrvis142工c4s7::s41轴s7
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