SAE 1006M,,/550TM,SAPH440-P, SAE 1006M,TM-P
表 2(碳素钢) 牌号 化学成分(质量分数) % C Si Mn P S Alt 其他 BJS15C 0.13~0.180.15~0.35 0.30~0.70 ≤0.020 ≤0.010 ≤ 0.060 Cu≤0.30 Ni≤0.20 Cr≤0.20Ni+Cr≤0.35 BJS20C 0.18~0.23 0.15~0.35 0.30~0.70 ≤0.020 ≤0.010BJS55C 0.52~0.58 0.15~0.35 0.60~0.90 ≤0.020 ≤0.010 C10 S10C0.08~0.13 0.15~0.35 0.30~0.60 ≤0.025 ≤0.015 C15 S15C 0.13~0.180.15~0.35 0.30~0.60 ≤0.025 ≤0.015 S20C 0.18~0.23 0.15~0.350.30~0.60 ≤0.025 ≤0.015 S35C 0.32~0.38 0.15~0.35 0.60~0.90 ≤0.025≤0.015 S45C 0.42~0.48 0.15~0.35 0.60~0.90 ≤0.025 ≤0.015 S50C0.47~0.53 0.15~0.35 0.60~0.90 ≤0.025 ≤0.015 S55C 0.52~0.580.15~0.35 0.60~0.90 ≤0.025 ≤0.015 SAE1018a 0.15~0.20 0.15~0.350.60~0.90 ≤0.025 ≤0.015 ≤ 0.060 Cu≤0.35 Ni≤0.25 Cr≤0.20 Mo≤0.06SAE1020a 0.18~0.23 0.15~0.35 0.30~0.60 ≤0.025 ≤0.015 SAE1022a0.18~0.23 0.15~0.35 0.70~1.00 ≤0.025 ≤0.015 SAE1035a 0.32~0.380.15~0.35 0.60~0.90 ≤0.025 ≤0.015 SAE1045a 0.43~0.50 0.15~0.350.60~0.90 ≤0.025 ≤0.015 SAE1050a 0.47~0.55 0.15~0.35 0.60~0.90≤0.025 ≤0.015 SAE1055a 0.52~0.60 0.15~0.35 0.60~0.90 ≤0.025 ≤0.015SAE1070a 0.65~0.80 0.15~0.35 0.60~0.90 ≤0.025 ≤0.015 C67S 0.65~0.730.15~0.35 0.60~0.90 ≤0.025 ≤0.015 ≤ 0.060 Cr≤0.30、Ni≤0.40 Mo≤0.1040Mn 0.37~0.44 0.17~0.37 0.70~1.00 ≤0.025 ≤0.015 ≤ 0.060Cr≤0.25、Ni≤0.25 Cu≤0.25 45Mn 0.42~0.50 0.17~0.37 0.70~1.00 ≤0.025≤0.015 65Mn 0.62~0.70 0.17~0.37 0.90~1.20 ≤0.020 ≤0.010 a 对牌号SAE1018~SAE1070,当用户要求 Si≤0.10%时,牌号后增加后缀“AK”。 Q/BQB 360-2018 4 表3(合金钢) 牌号 化学成分(质量分数) % C Si Mn P S Cr Mo Ni 其他 a 15Cr 0.12~ 0.170.17~ 0.37 0.40~ 0.70 ≤0.025 ≤0.015 0.70~ 1.00 - - 残余元素 b 20Cr0.18~ 0.24 0.17~ 0.37 0.50~ 0.80 ≤0.025 ≤0.015 0.70~ 1.00 - - 40Cr0.37~ 0.44 0.17~ 0.37 0.50~ 0.80 ≤0.025 ≤0.015 0.80~ 1.10 - -15CrMo 0.12~ 0.18 0.17~ 0.37 0.40~ 0.70 ≤0.025 ≤0.015 0.80~ 1.100.40~ 0.55 - 20CrMo 0.17~ 0.24 0.17~ 0.37 0.40~ 0.70 ≤0.025 ≤0.0150.80~ 1.10 0.15~ 0.25 - 30CrMo 0.26~ 0.33 0.10~ 0.30 0.40~ 0.70≤0.020 ≤0.010 0.80~ 1.10 0.15~ 0.25 - 35CrMo 0.32~ 0.40 0.17~ 0.370.40~ 0.70 ≤0.025 ≤0.015 0.80~ 1.10 0.15~ 0.25 - 34CrMo4 0.30~ 0.37≤0.40 0.60~ 0.90 ≤0.025 ≤0.015 0.90~ 1.20 0.15~ 0.30 - - 42CrMo40.38~ 0.45 ≤0.40 0.60~ 0.90 ≤0.025 ≤0.015 0.90~ 1.20 0.15~ 0.30 -SNCM220 0.17~ 0.23 0.15~ 0.35 0.60~ 0.90 ≤0.025 ≤0.015 0.40~ 0.600.15~ 0.25 0.40~ 0.70 当 Cu 为残余元素 时:Cu≤0.30 SCM415 0.13~ 0.18 0.15~0.35 0.60~ 0.90 ≤0.025 ≤0.015 0.90~ 1.20 0.15~ 0.25 ≤0.25 SCM4350.33~ 0.38 0.15~ 0.35 0.60~ 0.90 ≤0.025 ≤0.015 0.90~ 1.20 0.15~0.30 ≤0.25 20MnB5 0.17~ 0.23 ≤0.40 1.10~ 1.40 ≤0.025 ≤0.015 - - -B:0.0008~0.0050 22MnB5 0.20~ 0.25 ≤0.40 1.10~ 1.40 ≤0.025 ≤0.015≤0.30 - - B:0.0008~0.0050 26MnB5 0.23~ 0.28 ≤0.40 1.10~ 1.40 ≤0.025≤0.015 ≤0.30 - ≤0.20 B:0.0008~0.0050 38MnB5 0.36~ 0.42 ≤0.40 1.15~1.45 ≤0.025 ≤0.015 - - - B:0.0008~0.0050 27MnCrB5-2 0.24~ 0.30≤0.40 1.10~ 1.40 ≤0.025 ≤0.015 0.30~ 0.60 - - B:0.0008~0.0050 40MnB0.37~ 0.44 0.17~ 0.37 1.10~ 1.40 ≤0.025 ≤0.015 - - -B:0.0008~0.0035 残余元素 b 16MnCr5 0.14~ 0.19 ≤0.40 1.00~ 1.30 ≤0.025≤0.015 0.80~ 1.10 - - - 20CrMnTi 0.17~ 0.23 0.17~ 0.37 0.80~ 1.10≤0.025 ≤0.015 1.10~ 1.30 - - Ti:0.04~0.10 残余元素 b 40CrMn 0.37~ 0.450.17~ 0.37 0.90~ 1.20 ≤0.025 ≤0.015 - - - 残余元素 b 50Mn2V 0.48~ 0.57≤0.30 1.40~ 1.80 ≤0.025 ≤0.015 ≤0.30 - - V:0.08~0.16 残余元素 b 75Cr10.72~ 0.80 0.20~ 0.45 0.60~ 0.90 ≤0.020 ≤0.010 0.30~ 0.60 - ≤0.25Cu≤0.25 51CrV4 (50CrV4) 0.47~ 0.55 ≤0.40 0.70~ 1.10 ≤0.025 ≤0.0150.90~ 1.20 - - V:0.10~0.25