新日本工具钢与硬质合金牌号及化学成分

1、第三章日本工具钢与硬质合金牌号及化学成分第一节JISG4401-2001碳素工具钢钢材热轧和锻制碳素工具钢的生产品种有圆钢、钢板和钢带，以及其他钢材。通常钢材的锻压比应不小于4S(1)尺寸、形状及允许偏差1)热轧圆钢的直径为10mm-150mm。圆钢直径允许偏差和不圆度应符合表6-3-1的规定。表6-3-1公称直径直径允许偏差/、圆度10-<16+0.6-0.3不大于直径公差的70%16-<30+0.7-0.33-150+25%-1.0%注：圆钢直径小于10mm和大于150mm的直径允许偏差按供需双方协议。2）热轧钢板和钢带热轧钢板和钢带的标准厚度、宽度和长度应符合JISG3193

2、热轧钢板和钢带的尺寸、形状、重量及其允许偏差的规定。热轧钢板和钢带的尺寸，形状及其允许偏差应符合JISG3193的规定。厚度允许偏差适用于厚度小于160mm，厚度不小于160mm,由供需双方协议。热轧钢板的不平度：厚度小于160mm的钢板应符合表6-3-2的规定；厚度不小于160mm的钢板由供需双方快议。表6-3-2mm/、平度厚度宽度V12501250-V16001600-<20002000-<25002500-V3000>3000<1.602730-1.60-<4.00242730-4.00-<6.302124273338426.30-<10.01

3、8212430363910.0-<25.015182124273025.0-<63.012151821242763.0-<160121215182124注：表中的值不适用于经矫直机矫直的钢板。表中的值适用于任意4000mm长度，长度小于4000mm时，适用于总长度不平度是用变形的最大值减去钢板厚度，用于钢板的上表面。表的值不适用于轧制状态（轧制边）的钢板。测量不平度通常在平板上进行。3）除1）和2）以外的钢材，其尺寸、形状及其允许偏差应由供需双方协议。（2）交货状态钢材通常以退火状态交货，钢板和钢带也可以轧制状态交货。（3）牌号和化学成分钢的牌号化学成分（熔炼分析）应符合表6

4、-3-3的规定。表6-3-3牌号化学成分（质量分数）/%CSiMnP取大SCSK140(SK1)1.30-1.500.10-0.350.10-0.500.0300.030SK120(SK2)(C120U)1.15-1.250.10-0.350.10-0.500.0300.030SK105(SK3)(C105U)1.00-1.100.10-0.350.10-0.500.10-0.500.0300.030SK95(SK4)0.90-1.000.10-0.350.0300.030SK90(C90U)0.85-0.950.10-0.350.10-0.500.0300.030SK850.80-0.900

5、.10-0.350.10-0.500.0300.030(SK5)SK80(C80U)0.75-0.850.10-0.350.10-0.500.0300.030SK75(SK6)0.70-0.800.10-0.350.10-0.500.0300.030SK70(C70U)0.64-0.750.10-0.350.10-0.500.0300.030SK65(SK7)0.60-0.700.10-0.350.10-0.500.0300.030SK600.56-0.650.10-0.350.10-0.500.0300.030注：残余元素（质量分数）铜下大于0.25%、铭不大于0.30%、锲不大于0.25%

6、SK75和SK65预定5年后取消牌号栏中（SK*）为原标准牌号，（C*U）为对应的ISO4975工具钢的牌号（4）退火硬度钢材的退火硬度应符合表6-3-4的规定。如果采用布氏硬度测定有困难，可采用洛氏硬度（B标尺）或维氏硬度测定，其硬度值应由供需双方协方。表6-3-4牌号退火温度/C退火硬度HBS最大SK140750-780慢冷217SK120750-780慢冷217SK105750-780慢冷212SK95740-760慢冷207SK90740-760慢冷207SK85730-760慢冷207SK80730-760慢冷192SK75730-760慢冷192SK70730-760慢冷183SK

7、65730-760慢冷183SK60730-760慢冷183注：热轧钢板和钢带的轧制状态和退火状态硬度由供需双方协议。(5)淬火和回火硬度钢材试样应按表6-3-5进行热处理，其淬火和回火硬度应符合表6-3-5的规定。表6-3-5牌号热处理温度/C(土10)淬火和回火硬度HRC最小淬火回火SK140780水冷180空冷63SK120780水冷180空冷62SK105780水冷180空冷61SK95780水冷180空冷61SK90780水冷180空冷60SK85780水冷180空冷59SK80790水冷180空冷58SK75790水冷180空冷57SK70800水冷180空冷57SK65800水冷

8、180空冷56SK60810水冷180空冷55注：没有经退火处理的钢材，应先按照表6-3-4进行退火处理后再进行淬火和回火处理。(6)脱碳层热轧圆钢的脱碳层允许深度应符合表6-3-6的规定。表6-3-6mm公称直径允许深度<1515-<250.300.5025-<500.8050-<751.1075-<1001.40100-<1301.80130-<1352.00注：钢板和钢带的脱碳层允许深度应按供需双方协议。(7)表面质量JISG3193的规定热轧圆钢表面应具有良好的加工，不应有对使用有害的缺陷。热轧钢板和钢带的表面质量，应符合第二节JISG4404

9、-2000合金工具钢钢材热轧和锻制合金工具钢的生产品种有圆钢、钢板和钢带，以及其他钢材。通常钢材的锻压比应不小于4S.钢的牌号和种类如表6-3-7所示：表6-3-7牌号种类SKS11SKS2SKS21SKS5主要用于切削工具SKS51SKS7SKS81SKS8主要用于耐冲击工具主要用于冷作模具SKS4SKS41SKS43(105V)SKS44SKS3SKS31SKS93SKS94SKS95SKD1(X210Cr12)SKD2(X210CrW12)SKD10(X153CrMoV12)SKD11SKD12(100CrMoV5)SKD4SKD5(X30WCrV9-3)SKD6SKD61(X40CrW

10、MoV5-1)SKD62(X35CrWMoV5)主要用于热作模具SKD7(32CrMoV3-3)SKD8(X38CrCoWV4-4-4)SKT3SKT4(55NiCrMoV7)SKT6(45NiCrMo16)注：牌号栏中括号内的牌号为对应的ISO4957工具钢的牌号，具化学成分相同。(1)尺寸、形状及其允许偏差1)热轧圆钢的直径为10mm-15mm,圆钢直径允许偏差和不圆度应符合表6-3-8的规定:表6-3-8mm公称直径直径允许偏差/、圆度+0.6-0.310-<16+0.7不大于直径16-<30-0.3公差的70%30-150+2.5%-1.0%注：圆钢直径小于10mm和大于1

11、50mm的直径允许偏差由供需双方协议。2)热轧圆钢以外的钢材，其尺寸、允许偏差由供需双方协议。(2)交货状态钢材通常以退火状态交货。(3)牌号和化学成分钢的牌号和化学成分(熔炼分析)，切削工具用钢应符合表6-3-9、耐冲击工具钢用钢应符合表6-3-10冷作模具用钢应符合表6-3-11热作模具用钢应符合表6-3-12的规定表6-3-9牌号化学成分（质量分数）/%CSiMnP取大SNiCrWVSKS111.201.300.350.500.0300.030-0.200.503.004.000.100.30SKS21.001.100.350.800.0300.030-0.501.001.001.50S

12、KK211.001.100.350.500.0300.030-0.200.500.501.000.100.25SKS50.750.850.350.500.0300.0300.701.300.200.50-SKS510.750.850.350.500.0300.0301.302.000.200.50-SKS71.10-0.350.500.0300.030-0.20-2.00-1.200.502.50SKK811.101.300.350.500.0300.030-0.200.50-SKS81.301.500.350.500.0300.030-0.200.50-注：残余元素（质量分数）锲不大于0.2

13、5%（SKS5和SKS51除外）、铜不大于0.25%SKS2和SKS7可加入不大于0.20%（质量分数）的铀。表6-3-10牌号化学成分（质量分数）/%CSiMnP取大SCrWVSKS40.45-0.55工0.35工0.500.0300.0300.50-1.000.50-1.00-SKS410.35-0.45工0.35工0.500.0300.0301.00-1.501.00-1.50-SKS431.00-1.100.10-0.300.10-0.400.0300.030-0.10-0.20SKS440.80-0.90<0.25<0.300.0300.030-0.10-0.25注：残余

14、元素（质量分数）锲不大于0.25%、铜不大于0.25%SKS43和SKS44残余元素（质量分数）铭不大于0.20%.表6-3-11牌号化学成分（质量分数）/%CSiMnPSCrMoWVSKS30.901.00<0.350.901.200.0300.0300.501.00-0.501.00-SKS310.951.05<0.350.901.200.0300.0300.801.20-1.001.50-SKS931.001.10<0.500.801.100.0300.0300.200.60-SKS940.901.00<0.500.800.100.0300.0300.200.60

15、-SKS950.800.90<0.500.800.100.0300.0300.200.60-SKD11.90-0.10-0.20-0.0300.03011.00-2.200.600.6013.002.00-0.10-0.30-11.00-0.60-SKD22.300.400.600.0300.03013.00-0.80-1.45-0.10-0.20-11.00-0.70-0.70-SKD101.600.600.600.0300.03013.001.00-1.001.40-11.00-0.80-0.20-SKD111.60<0.40<0.600.0300.03013.001.2

16、0-0.500.95-0.10-0.40-4.80-0.90-0.15-SKD121.050.400.800.0300.0305.501.20-0.35SKD1可加入不大于0.30%（质量分数）的铀表6-3-12牌号化学成分（质量分数）/%CSiMnP取大SNiCrMoWVCoSKD40.250.3500.40<0.600.0300.020-2.003.00-5.006.000.300.50-SKD50.250.350.100.400.150.450.0300.020-2.503.20-8.509.500.300.50-0.32-0.80-4.50-1.00-0.30-SKD60.421

17、.20工0.500.0300.020-5.501.50-0.50-0.35-0.80-0.25-4.80-1.00-0.80-SKD610.421.200.500.0300.020-5.501.50-1.15-0.32-0.80-0.20-4.75-1.00-1.00-0.20-SKD620.401.200.500.0300.020-5.501.601.600.50-0.28-0.10-0.15-2.70-2.50-0.40-SKD70.350.400.150.0300.020-3.203.00-0.70-0.35-0.15-0.20-4.00-0.30-3.80-1.70-4.00-SKD8

18、0.450.500.500.0300.020-4.700.504.502.104.500.50-0.25-0.90-0.30-SKT30.60工0.35<0.600.0300.0200.601.200.50-SKT40.50-0.10-0.60-0.0300.0201.50-0.80-0.35-0.05-0.600.400.901.801.200.550.15SKT60.400.500.100.400.200.500.0300.0203.804.301.201.500.150.35-SKT3可加入不大于0.20%(质量分数)的铀(4)退火硬度钢材的退火硬度应符合表6-3-13的规定。如果

19、采用布氏硬度测定有困难，可采用洛氏硬度或维氏硬度测定,其硬度值应由供需双方协议。种类牌号退火温度/C退火硬度HBS最大SKS11780-850慢冷241SKS2750-800慢冷217SKS21750-800慢冷217切削工具用SKS5750-800慢冷207SKS51750-800慢冷207SKS7750-800慢冷217SKS81750-800慢冷212SKS8750-800慢冷217SKS4740-780慢冷201耐冲击工具用SKS41SKS43(105V)760-820750-800慢冷慢冷217212SKS44730-780慢冷207SKS3750-800慢冷217SKS31750-

20、800慢冷217SKS93750-780慢冷217SKS94740-760慢冷212冷作模具用SKS95730-760慢冷212SKD1(X210Cr12)830-880慢冷248SKD2(X210CrW12)830-880慢冷255SKD10(X153CrMoV12)830-880慢冷255SKD11830-880慢冷255SKD12(100CrMoV5)830-880慢冷241SKD4800-850慢冷235SKD5(X30WCrV9-3)800-850慢冷241SKD6820-870慢冷229SKD61(X40CrWMoV5-1)820-870慢冷229SKD62(X35CrWMoV5)

21、820-870慢冷229热作模具用SKD7(32CrMoV3-3)820-870慢冷229SKD8(X38CrCoWV4-4-4)820-870慢冷262SKT3760-810慢冷235SKT4(55NiCrMoV7)740-800慢冷248SKT6(45NiCrMo16)720-780慢冷285注：热轧钢板和钢带的退火硬度按供需双方协议。(5)淬火和回火硬度钢材试样应按表6-3-14进行热处理，其淬火和回火硬度应符合表6-3-14的规定表6-3-14种类牌号热处理温度/C(±10)淬火和回火硬度HRC最小淬火回火SKS11790水冷180空冷62SKS2860油冷180空冷61SK

22、S21800水冷180空冷61SKS5830油冷420空冷45切削工具用SKS51830油冷420空冷45SKS7860油冷180空冷62SKS81790水冷180空冷63SKS8810水冷180空冷63SKS4800水冷180空冷56耐冲击工具用SKS41880油冷180空冷53SKS43(105V)SKS44790水冷790水冷180空冷180空冷6360SKS3830油冷180空冷60SKS31830油冷180空冷61SKS93820油冷180空冷63SKS94820油冷180空冷61冷作模具用SKS95820油冷180空冷59SKD1970水冷180空冷62SKD2970水冷180空冷

23、62SKD10)1020水冷180空冷61SKD111030水冷180空冷58SKD12970水冷180空冷60热作模具用SKD41080油冷600空冷42SKD51150油冷600空冷48SKD61050空冷550空冷48SKD611020空冷550空冷50SKD621020空冷550空冷48SKD71040空冷550空冷46SKD81120油冷600空冷48SKT3850油冷500空冷42SKT4850油冷500空冷42SKT6850油冷180空冷52注：没有经退火处理的钢材。应先按照表6-3-13进行退火处理后再进行淬火和回火处理(6)脱碳层热轧圆钢的脱碳层允许深度应符合表6-3-15的

24、规定。表6-3-15公称直径允许深度公称直径允许深度<150.3075-<1001.4015-<250.50100-<1301.8025-<500.80130-<1352.0050-<751.10注：钢板和钢带的脱碳层允许深度应由供需双方协议。(7)表面质量钢材表面应具有良好的加工，不应有对使用有害的缺陷。第三节JISG4403-2000高速工具钢钢材热轧和锻制高速工具钢的生产品种有圆钢及其他钢材。通常钢材的锻压比应不小于6S钢的牌号和种类如表6-3-16所示。表6-3-16牌号种类SKH2(HS18-0-1)鸨系高速工具钢SKH3SKH4SKH10S

25、KH40(HS6-5-3-8)铝系粉末高速工具钢SKH50(HS1-8-1)SKH51(HS6-5-2)SKH52(HS6-6-2)SKH53(HS6-5-3)SKH54(HS6-5-4)铝系高速工具钢SKH55(HS6-5-2-5)SKH56SKH57(HS10-4-3-10)SKKH58(HS2-9-2)SKH59(HS2-9-1-8)注:牌号栏中括号内的牌号为对应的ISO4957工具钢的牌号。(1)尺寸、形状及其允许偏差热轧圆钢的直径为10mm-70mm,圆钢直径允许偏差和不圆度应符合表6-3-17的规定表6-3-17公称直径直径允许偏差小圆度10-<16+0.6-0.316-&l

26、t;30+0.7-0.3大于直径公差的70%30-150+2.5%-1.0%注：圆钢直径小于10mm和大于150mm的直径允许偏差按供需双方协议。2)热轧圆钢以外的钢材，其尺寸、允许偏差按供需双方协议。(2)交货状态钢材通常以退火状态交货。（3）牌号和化学成分钢的牌号和化学成分（熔炼分析）应符合表6-3-18的规定表6-3-18牌号化学成分（质量分数）/%CSiMnPSCrMoWVCoSKH20.730.830.73-0.450.400.0300.0303.804.503.80-17.2018.7017.0-1.001.200.80-4.50-SKH30.830.450.400.0300.03

27、04.50-19.01.205.50SKH40.73-0.450.400.0300.0303.80-17.0-1.00-9.00-SKH100.830.450.400.0300.0304.50-19.01.5011.001.451.603.804.5011.5013.504.205.204.205.20SKH401.231.330.450.400.0300.0303.804.504.705.305.706.702.703.208.008.800.77-3.50-8.0-1.40-1.00-SKH500.870.700.400.0300.0304.509.002.001.40-SKH510.80

28、-0.450.400.0300.0303.80-4.70-5.90-1.70-SKH520.880.450.400.0300.0304.505.206.702.10-SKH531.00-0.450.400.0300.0303.80-5.50-5.90-2.30-SKH541.100.450.400.0300.0304.506.506.702.604.50-SKH551.15-0.450.400.0300.0303.80-4.70-5.90-2.70-5.00SKH561.250.450.400.0300.0304.505.206.703.207.00-SKH571.25-0.450.400.0

29、300.0303.80-4.20-5.20-3.70-9.00SKKH581.400.700.400.0300.0304.505.006.004.209.50-SKH590.87-0.700.400.0300.0303.80-4.70-5.90-1.70-10.500.950.85-4.503.80-5.204.70-6.705.90-2.101.70-7.50-0.954.505.206.702.108.501.20-3.80-3.20-9.00-3.00-1.354.503.9010.003.500.95-3.80-8.20-1.50-1.70-1.054.509.202.102.201.

30、05-3.80-9.00-1.20-0.90-1.154.5010.001.901.30注：残余元素(质量分数)铜不大于0.25%(4)退火硬度钢材的退火硬度应符合表6-3-19的规定。如果采用布氏硬度测定有困难，可采用洛氏硬度或维氏硬度测定,其硬度值应由供需双方协议。表6-3-19牌号退火温度/C退火硬度HBS最大SKH2820-880慢冷269SKH3840-900慢冷269SKH4850-910慢冷285SKH10820-900慢冷285SKH40800-880慢冷302SKH50800-880慢冷262SKH51800-880慢冷262SKH52800-880慢冷262SKH53800

31、-880慢冷269SKH54800-880慢冷269SKH55800-880慢冷269SKH56800-880慢冷285SKH57800-880慢冷293SKKH58800-880慢冷269SKH59800-880慢冷277(5)淬火和回火硬度钢材试样应按表6-3-20进行热处理，其淬火和回火硬度应符合表6-3-20的规定。表6-3-20牌号热处理温度/C(土10C)淬火和回火硬度HRC最小淬火回火SKH21260油冷560空冷63SKH31270油冷560空冷64SKH41270油冷560空冷64SKH101230油冷560空冷64SKH401180油冷560空冷65SKH501190油冷560空冷63SKH511220油冷560空冷64SKH521200油冷560