1、第三章日本工具鋼與硬質(zhì)合金牌號及化學成分第一節(jié)JISG4401-2001碳素工具鋼鋼材熱軋和鍛制碳素工具鋼的生產(chǎn)品種有圓鋼、鋼板和鋼帶，以及其他鋼材。通常鋼材的鍛壓比應不小于4S(1)尺寸、形狀及允許偏差1)熱軋圓鋼的直徑為10mm-150mm。圓鋼直徑允許偏差和不圓度應符合表6-3-1的規(guī)定。表6-3-1公稱直徑直徑允許偏差/、圓度10-<16+0.6-0.3不大于直徑公差的70%16-<30+0.7-0.33-150+25%-1.0%注：圓鋼直徑小于10mm和大于150mm的直徑允許偏差按供需雙方協(xié)議。2）熱軋鋼板和鋼帶熱軋鋼板和鋼帶的標準厚度、寬度和長度應符合JISG3193

2、熱軋鋼板和鋼帶的尺寸、形狀、重量及其允許偏差的規(guī)定。熱軋鋼板和鋼帶的尺寸，形狀及其允許偏差應符合JISG3193的規(guī)定。厚度允許偏差適用于厚度小于160mm，厚度不小于160mm,由供需雙方協(xié)議。熱軋鋼板的不平度：厚度小于160mm的鋼板應符合表6-3-2的規(guī)定；厚度不小于160mm的鋼板由供需雙方快議。表6-3-2mm/、平度厚度寬度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：表中的值不適用于經(jīng)矯直機矯直的鋼板。表中的值適用于任意4000mm長度，長度小于4000mm時，適用于總長度不平度是用變形的最大值減去鋼板厚度，用于鋼板的上表面。表的值不適用于軋制狀態(tài)（軋制邊）的鋼板。測量不平度通常在平板上進行。3）除1）和2）以外的鋼材，其尺寸、形狀及其允許偏差應由供需雙方協(xié)議。（2）交貨狀態(tài)鋼材通常以退火狀態(tài)交貨，鋼板和鋼帶也可以軋制狀態(tài)交貨。（3）牌號和化學成分鋼的牌號化學成分（熔煉分析）應符合表6

4、-3-3的規(guī)定。表6-3-3牌號化學成分（質(zhì)量分數(shù)）/%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：殘余元素（質(zhì)量分數(shù)）銅下大于0.25%、銘不大于0.30%、鍥不大于0.25%

6、SK75和SK65預定5年后取消牌號欄中（SK*）為原標準牌號，（C*U）為對應的ISO4975工具鋼的牌號（4）退火硬度鋼材的退火硬度應符合表6-3-4的規(guī)定。如果采用布氏硬度測定有困難，可采用洛氏硬度（B標尺）或維氏硬度測定，其硬度值應由供需雙方協(xié)方。表6-3-4牌號退火溫度/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：熱軋鋼板和鋼帶的軋制狀態(tài)和退火狀態(tài)硬度由供需雙方協(xié)議。(5)淬火和回火硬度鋼材試樣應按表6-3-5進行熱處理，其淬火和回火硬度應符合表6-3-5的規(guī)定。表6-3-5牌號熱處理溫度/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：沒有經(jīng)退火處理的鋼材，應先按照表6-3-4進行退火處理后再進行淬火和回火處理。(6)脫碳層熱軋圓鋼的脫碳層允許深度應符合表6-3-6的規(guī)定。表6-3-6mm公稱直徑允許深度<1515-<250.300.5025-<500.8050-<751.1075-<1001.40100-<1301.80130-<1352.00注：鋼板和鋼帶的脫碳層允許深度應按供需雙方協(xié)議。(7)表面質(zhì)量JISG3193的規(guī)定熱軋圓鋼表面應具有良好的加工，不應有對使用有害的缺陷。熱軋鋼板和鋼帶的表面質(zhì)量，應符合第二節(jié)JISG4404

9、-2000合金工具鋼鋼材熱軋和鍛制合金工具鋼的生產(chǎn)品種有圓鋼、鋼板和鋼帶，以及其他鋼材。通常鋼材的鍛壓比應不小于4S.鋼的牌號和種類如表6-3-7所示：表6-3-7牌號種類SKS11SKS2SKS21SKS5主要用于切削工具SKS51SKS7SKS81SKS8主要用于耐沖擊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)主要用于熱作模具SKD7(32CrMoV3-3)SKD8(X38CrCoWV4-4-4)SKT3SKT4(55NiCrMoV7)SKT6(45NiCrMo16)注：牌號欄中括號內(nèi)的牌號為對應的ISO4957工具鋼的牌號，具化學成分相同。(1)尺寸、形狀及其允許偏差1)熱軋圓鋼的直徑為10mm-15mm,圓鋼直徑允許偏差和不圓度應符合表6-3-8的規(guī)定:表6-3-8mm公稱直徑直徑允許偏差/、圓度+0.6-0.310-<16+0.7不大于直徑16-<30-0.3公差的70%30-150+2.5%-1.0%注：圓鋼直徑小于10mm和大于1

11、50mm的直徑允許偏差由供需雙方協(xié)議。2)熱軋圓鋼以外的鋼材，其尺寸、允許偏差由供需雙方協(xié)議。(2)交貨狀態(tài)鋼材通常以退火狀態(tài)交貨。(3)牌號和化學成分鋼的牌號和化學成分(熔煉分析)，切削工具用鋼應符合表6-3-9、耐沖擊工具鋼用鋼應符合表6-3-10冷作模具用鋼應符合表6-3-11熱作模具用鋼應符合表6-3-12的規(guī)定表6-3-9牌號化學成分（質(zhì)量分數(shù)）/%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：殘余元素（質(zhì)量分數(shù)）鍥不大于0.2

13、5%（SKS5和SKS51除外）、銅不大于0.25%SKS2和SKS7可加入不大于0.20%（質(zhì)量分數(shù)）的鈾。表6-3-10牌號化學成分（質(zhì)量分數(shù)）/%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：殘余

14、元素（質(zhì)量分數(shù)）鍥不大于0.25%、銅不大于0.25%SKS43和SKS44殘余元素（質(zhì)量分數(shù)）銘不大于0.20%.表6-3-11牌號化學成分（質(zhì)量分數(shù)）/%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%（質(zhì)量分數(shù)）的鈾表6-3-12牌號化學成分（質(zhì)量分數(shù)）/%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%(質(zhì)量分數(shù))的鈾(4)退火硬度鋼材的退火硬度應符合表6-3-13的規(guī)定。如果

19、采用布氏硬度測定有困難，可采用洛氏硬度或維氏硬度測定,其硬度值應由供需雙方協(xié)議。種類牌號退火溫度/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耐沖擊工具用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熱作模具用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：熱軋鋼板和鋼帶的退火硬度按供需雙方協(xié)議。(5)淬火和回火硬度鋼材試樣應按表6-3-14進行熱處理，其淬火和回火硬度應符合表6-3-14的規(guī)定表6-3-14種類牌號熱處理溫度/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耐沖擊工具用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熱作模具用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：沒有經(jīng)退火處理的鋼材。應先按照表6-3-13進行退火處理后再進行淬火和回火處理(6)脫碳層熱軋圓鋼的脫碳層允許深度應符合表6-3-15的

24、規(guī)定。表6-3-15公稱直徑允許深度公稱直徑允許深度<150.3075-<1001.4015-<250.50100-<1301.8025-<500.80130-<1352.0050-<751.10注：鋼板和鋼帶的脫碳層允許深度應由供需雙方協(xié)議。(7)表面質(zhì)量鋼材表面應具有良好的加工，不應有對使用有害的缺陷。第三節(jié)JISG4403-2000高速工具鋼鋼材熱軋和鍛制高速工具鋼的生產(chǎn)品種有圓鋼及其他鋼材。通常鋼材的鍛壓比應不小于6S鋼的牌號和種類如表6-3-16所示。表6-3-16牌號種類SKH2(HS18-0-1)鴇系高速工具鋼SKH3SKH4SKH10S

25、KH40(HS6-5-3-8)鋁系粉末高速工具鋼SKH50(HS1-8-1)SKH51(HS6-5-2)SKH52(HS6-6-2)SKH53(HS6-5-3)SKH54(HS6-5-4)鋁系高速工具鋼SKH55(HS6-5-2-5)SKH56SKH57(HS10-4-3-10)SKKH58(HS2-9-2)SKH59(HS2-9-1-8)注:牌號欄中括號內(nèi)的牌號為對應的ISO4957工具鋼的牌號。(1)尺寸、形狀及其允許偏差熱軋圓鋼的直徑為10mm-70mm,圓鋼直徑允許偏差和不圓度應符合表6-3-17的規(guī)定表6-3-17公稱直徑直徑允許偏差小圓度10-<16+0.6-0.316-&l

26、t;30+0.7-0.3大于直徑公差的70%30-150+2.5%-1.0%注：圓鋼直徑小于10mm和大于150mm的直徑允許偏差按供需雙方協(xié)議。2)熱軋圓鋼以外的鋼材，其尺寸、允許偏差按供需雙方協(xié)議。(2)交貨狀態(tài)鋼材通常以退火狀態(tài)交貨。（3）牌號和化學成分鋼的牌號和化學成分（熔煉分析）應符合表6-3-18的規(guī)定表6-3-18牌號化學成分（質(zhì)量分數(shù)）/%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：殘余元素(質(zhì)量分數(shù))銅不大于0.25%(4)退火硬度鋼材的退火硬度應符合表6-3-19的規(guī)定。如果采用布氏硬度測定有困難，可采用洛氏硬度或維氏硬度測定,其硬度值應由供需雙方協(xié)議。表6-3-19牌號退火溫度/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)淬火和回火硬度鋼材試樣應按表6-3-20進行熱處理，其淬火和回火硬度應符合表6-3-20的規(guī)定。表6-3-20牌號熱處理溫度/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