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Steel


         Steel for Turning and Milling
国际编码
INT No.
GB              中国 JIS      日本 B.S     英国 SAE AISI DIN           德国 备注/Remark
美国
1.0715 Y15 SUM22 220M07 1213 1213 9SMn28 易车铁 (Turning easily)  最常用铁料 Generall Steel               ENIA 代表一般低 碳钢(ENIA represent low carbon steel)
  Y12 SUM23 230M07 1215 1215 9SMn36
1.0718 UTM SUM24L 230M07Pb 12L14 12L14 9SMnPb28K
    SUM31   1117 1117 9SMnPb36
1.0726 Y30 SUM42 216M36 1140   35S20
1.0727 Y40Mn SUM43 220M44 1144 1144 45S20K
1.0401 10 S10C      S10CK 040A10      050A10 1008       1010 1008    1010 C10(ST.14)      CK10 平价铁,一般螺丝用料(Parity steel, for screw generally)
1.0402   S20C 040A20    050A20 1018 1018 C22             CK22 低碳钢(Low carbon steel)
  20 S20CK 1020 1020 俗称光圆铁价格便宜,
    SS41     但难车削,窝钉用(not easy for turning)
1.0503   S40C 212A42 1040 1040 C45 中碳钢,俗称黄牌钢,适合用水淬硬,有“F ”为易车(medium carbon steel, dip into water for hardening) Turning easily if add mark F
  40,45 S45C 080M40 1045 1045 CK45
  T9            T10 SK4F BW1A W109 W109 C(90W2) 俗称银钢支,适合用水
  SK5F BW1B W110 W110 C105W2 淬硬,可达很高硬度,
  SK3F   1086 1086 C110W2 难车削(dip into water for hardening, high hardness)
1.7220 35CrMo SCM435 708M37 4135 4135 34CrMo4 油钢,有较高扭力,适用油淬硬,8620难车削。(torsional force high, 8620 turning not easy)
1.7225 40CrMo SCM440 708M40 4140 4142 42CrMo4
  (42CrMo)   (708A42)      
  20CrNiMo SNCM220 805A20 8620 8622 21NiCrM02
1.3505 GCr15 SUJ2 534A99 52100 52100 100Cr6 滚动轴承钢,耐磨擦,(ball bearingl steel, against attrition)
(ST.52) 难车削。Not easy for turning