High Speed Steel

High Speed Steel is being manufactured by:

  1. Conventional ingot route
  2. Powder metallurgy route

Powermex Steels Division manufactures products for full range of requirements of various industries which conform to international standards.

The table below gives different grades manufactured, their chemical composition and equivalent international standards.

Chemical Composition
(average values in %)
Standards
Powmex Grade C Cr Mo V W Co Din BS UN ASTM/AISI JIS IS
IT1 0.75 4.1 - 1.1 18.0 - S 18-0-1/
V-3355
BT 1 HS 18.0-1
X 75 WCrV 18
T1 SKH2 XT72W18Cr4V1
IT4 0.81 4.3 0.65 1.5 18.0 4.8 S 18-1-2-5/
1.3256
BT 4 HS 18-1-1-5 T4 SKH3 XT75W18Co5Cr4MoV1
IT15 1.50 5.0 - 5.0 12.5 5.0 S 12-1-4-5/
1.3202
BT 15 - T15 SKH 10 -
IT42 1.26 4.0 3.6 3.2 9.3 10.0 S 10-4-3-10/
1.3207
BT 42 HS 10-4-3-10 - SKH 57 XT125WCo10CrMo4V3
IM2 0.90 4.1 5.0 1.8 6.4 - S 6.5-2/
1.3343
BM 2 HS6-5.2
X82 WMOV 6.5
M2 SKH 51 XT87W6Mo5Cr4V2
IM3 1.20 4.3 5.1 3.3 6.4 - S 6-5-3/
1.3344
- - M3-CL2 SKH 53 -
IM6 1.25 4.3 5.2 3.6 9.6 10.5 S-10-4-3-10 - - M6 - -
IM7 0.97 3.00 8.2 1.75 1.4 - S 2-9-2/
1.3348
- - M7 SKH 58 -
IM9V 1.15 4.0 8.3 2.5 3.2 - S-4-8-3 - - M9v - -
IM15 1.50 4.50 2.9 4.75 6.4 4.7 - BM 15 - M15 - -
IM35 0.92 4.1 5.0 1.9 6.4 4.8 S-6-5-2-5/
1.3243
BM 35 HS6-5-2-5 - SKH55 XT90W6CoMo5Cr4V2
IM42 1.10 3.9 9.2 1.2 1.4 7.8 S-2-10-1-8/
1.3247
BM42 HS2-9-1-8 M42 SKH59 XT110Mo10Co8Cr4W2
IC8 1.05 4.00 6.00 1.6 5.0 7.8 S 6-5-2-8 - - - - -
IV3 1 4.0 2.7 2.4 2.9 - S 3-3-2/
1.333
- - - - -
Manufacturing Range (applicable for all grades):
(All dimensions in mm)
HIGH SPEED STEEL
Rounds Squares Flats
Size Condition Size Condition Thickness(T) Width(W) (W-T) Condition
6.30 -13.40 CG 7.2,8.8,10.3,10.5 HRA 8 – 15 18 – 35 >8 HRA
13.50 -54.00 HRAP 11,13.3,13.5,17 HRA 15.1 – 30 25 – 60 >8 HRA
57.00 160.00 FAT 17.5,20.5,21,22 HRA 32 -110 60 - 120   FA
13.00 -56.00 HRA 26.5,27 HRA        
    60.00 – 120.00 FA        

Length


Specific customer requirements for different grades and chemical composition can be supplied on request.