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牌号 C Si Mn Cr Mo Ni Cu S P KmTBCr12 2.0-3.3 ≤1.5 ≤2.0 111-14 ≤2.0 ≤2.0 ≤1.2 ≤0.06 ≤0.01 KmTBCr15Mo 2.0-3.3 ≤1.0 ≤2.0 14-18 V3.0 ≤2.0 ≤1.2 ≤0.06 ≤0.1 KmTBCr20Mo 2.0-3.3 ≤1.0 ≤2.0 18-23 ≤2.0 ≤2.0 ≤1.2 ≤0.06 ≤0.1 KmTBCr26 2.0-3.3 ≤1.0 ≤2.0 23-30 ≤2.0 ≤2.0 ≤2.0 ≤0.06 ≤0.1 |