常用模具材料品牌对照表

中国钢号通用钢号钢特性塑料模具钢3Cr2Mo

P20（美国）?

618(瑞典)

预硬塑料模具钢3Cr2NiMo

718（瑞典)

P20 Ni(美国)

超预硬塑料模具钢4Cr13S136(瑞典)耐腐蚀塑料模具钢1CrNi3NAK80(日本)镜面塑料模具钢3Cr17MoM300(欧洲)耐腐蚀塑料模具钢五金模具钢CrWMnSKS3（日本）不变形油钢Cr12MoVskd11(日本)D3(美国)耐磨韧性铬钢热模钢4Cr5MoSiV1SKD61(日本)通用热作模具钢

钢

类

       比较标准

 特性

出厂状态用途

恒粤

AISI

美国

DIN?

德国

瑞典

瑞典

GB

中国

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塑料模具钢 

45-55/1045-1055/S45-55C??

淬火性能差，但材料切加工性能好，价格低廉。可以正火交付800-870? 用于塑料成型模具或模或模架，批量小，模具截面小，尺寸精度和表面粗糙度要求低。 

40Cr??

淬透性差，但材料切削性能好，价格低。840-860?塑料成型模具或模架用于制造批量小、模具截面小、形状复杂、尺寸精度和表面粗糙度要求低的塑料成型模具或模架。3Cr2Mo/P20/618/40Cr/Mo7?淬透性好，可预硬交付。具有良好的电火花加工和抛光性能。预硬后，材料截面硬度分布均匀。HRC28-32?840-880?塑料成型模具用于制造量大、 模具尺寸大、形状复杂、尺寸精度高、表面粗糙度高的塑料成型模具。

3Cr2NiMnMo/P20 Ni/PDS5S/718/2738?

因为加了1%左右Ni，淬透性**，可预硬交付。具有良好的电火花加工和抛光性能。预硬后，材料大截面硬度分布均匀。HRC30-34?840-880?用于制造批量大、模具尺寸大、尺寸精度高、表面抛光性能要求高的优质塑料成型模具。 

3-4Cr13/420/S-136/2083

碳高铬耐腐蚀模具材料，淬火后硬度高，耐腐蚀，抛光性好。≤230??950-1050?用于制造生产PVC对于腐蚀性强的塑料模具，透明塑料模具的抛光性能要求较高。 

9Cr18Mo/T440C?/SUS/440C/4125?

高碳高铬耐腐蚀金属，耐磨性高，耐腐蚀性好。≤285?1050-1100?用于制造耐腐蚀性和耐磨性要求较高的塑料模具。PVC塑料模具、透明 塑料模具等 

碳素工具钢碳素工具钢碳素工具钢 

T7/W1-7/SK7/C70W2/TC70?

韧性好，硬度一定≦187?800-820?凿子、冲头等小 尺寸风动工具，木工锯、凿等 

T8?/W1-71/2?/SK6?/?C80W1?/TC80?

硬度和耐磨性高≦187?780-800? 铣刀、斧、凿加工木材、手锯、圆锯片等 

T8Mn?/W1-8?/SK5?/C85W??

硬度、耐磨性和淬透性高≦187?780-800?手锯、圆 锯片、钳工装配工具、冲模等 

T9?/W1-81/2?/SK5??/TC90???

硬度和耐磨性高≦192?760-780?用刀具加工木材，冷镦 模、刮刀、锉刀等T10?/W1-91/2?/SK4?/TC105?硬度和耐磨性高≦197??760-780?刀具、麻 花钻、拉丝模、冲模等加工木材 

T11/W1-101/2?/SK3/C105W2?

具有高的硬度和耐磨性，晶粒长大敏感性小≦207??760-780? 

T12?/W1-111/2?/SK2??/TC120?

硬度高，耐磨性好，淬火后碳化物过多≦207? 760-780?车刀、铣刀、钻头、绞刀、丝锥、板牙等 

T13?/W1-121/2?/SK1?/TC140?

硬度高，耐磨性好，淬火后碳化物过多≦217? 760-780? 扩展钻、刮刀、锉刀、量规、冷切边模等T10CrV???硬度高，耐磨性好，淬透性高