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 |
|
|
|
|
|
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