Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 699

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ISO group Subgroup WMG (Work Material Group) kvG Examples of material (AISI, EN, DIN, ČSN, GB, SS, STN, BS, UNE, AFNOR, ASTM, GOST, UNS, UNI, ...)


H1 Chilled cast iron H1.1 Chilled cast iron with a hardness of < 440 HB 1.52 UNS F45001, EN-GJS-1050-6, DIN 5.3406, SS 0512, BS Grade 2A ​


H2.1 Hardened cast iron with a hardness < 55 HRC 0.90 UNS F45003, EN-GJS-1400-1, DIN 5.3405, SS 0457, BS Grade 3D ​

H2 Hardened cast iron

H2.2 Hardened cast iron with a hardness > 55 HRC 0.77 UNS F45003, EN G-X260NiCr4-2, DIN 0.9620, SS 0466, BS Grade S ​


Hardened materials
9


(any engineering AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo,
H H3.1 Hardened steel with a hardness of < 51 HRC 1.00
metal with a hardness AFNOR 35CD4, GOST АС38ХГМ, UNI 35CrMo4KB​
> 45 HRC)
H3 Hardened steel < 55 HRC

AISI 4135, EN 34CrMo4, DIN 1.7220, SS 2234, STN 415131, BS 198, UNE F.1250, GB 35CrMo,
H3.2 Hardened steel with a hardness of 51 – 55 HRC 0.82
AFNOR 35CD4, GOST АС38ХГМ, UNI 35CrMo4KB​


UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn,
H4.1 Hardened steel with a hardness of 55 – 59 HRC 0.64
AFNOR 90MWCrV5, GOST 9ХВГ, UNI 95MNWCr5KU​

H4 Hardened steel > 55 HRC

UNS T31501, EN 100MnCrW4, DIN 1.2510, SS 2140, STN 419413, BS BO1, UNE F.5220, GB 9CrWMn,
H4.2 Hardened steel with a hardness of > 59 HRC 0.54
AFNOR 90MWCrV5, GOST 9ХВГ, UNI 95MNWCr5KU​
WORKPIECE MATERIAL GROUP (WMG)