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Hot Work Steel

HOT WORK steels, as their name implies, are used where operating temperatures of the tool may reach levels where resistance to softening, heat checking and shock is important. It has high heat resistance and medium wear resistance, Distortion in hardening is low.

This group of steels is excellent for such uses as die-casting dies, extrusion dies, plastic molding dies, hot forging dies, hot gripper and heading dies, hot mandrels, hot work punches, and hot shear knives.

Characterised by the following properties, among other things:

  • Resistance to tempering
  • Resistance to thermal shocks
  • High-temperature strength
  • High-temperature toughness
  • High-temperature wear resistance
  • High-temperature corrosion resistance

STANDARD STOCK GRADES & COMPARABLE STANDARDS

EST GB (CHINA) DIN ASTM JIS OTHER
YTR5 4Cr5MoSiV1 1.2344 H13 SKD61  
YTR18          
YTR50 4Cr5MoSiV 1.2343 H11 SKD6  
YTH12 4Cr5MoWSiV 1.2606 H12 SKD62  
YTR65 4Cr3Mo3SiV 1.2365 H10 SKD7  
YTR2 3Cr2W8V 1.2581 H21 SKD5  
YTR3A          

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STANDARD STOCK SIZES

PRODUCT DELIVERY CONDITION AND AVAILABLE DIMENSIONS
ROUND COLD DRAWN CENTERLESS GROUND PEELED TURNED
DIAMETER IN MM 2.50 - 12.0 8.5 - 30.0 16 - 75 75 - 610
SQUARE HOT ROLLED BLACK FORGED ALL SIDE MILLED
SIZE IN MM 7.5 X 7.5 - 50.0 X 50.0 55 X 55 - 510 X 510
FLATS HOT ROLLED BLACK HOT ROLLED, 2 EDGE MILLED FORGED ALL SIDE MILLED
THICK x WIDTH IN MM 6 - 30 X 20 - 130 13 - 80 X 150 - 410 90 - 405 X 100 - 810
DISC 400 - 800 MM DIA X 80 - 400 THICK  

OTHER GRADES AND SIZES ON REQUEST