AISI T15, 1.3202, HS12-1-5-5 - high speed steel
AISI T15, UNS T12015, 1.3202, HS12-1-5-5 - Cobalt High-Speed Steel according to DIN 17350
| Standard | Steel Grade | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | |||||||||||||||
| C: | Si: | Mn: | P: | S: | Cr: | Mo: | Ni: | V: | W: | Co: | |||||
| DIN/EN | 1.3202 - HS12-1-5-5 | ||||||||||||||
| 1,30-1,45 | <0,45 | <0,4 | <0,03 | <0,03 | 3,8-4,5 | 0,7-1,0 | - | 3,5-4,0 | 11,5-12,5 | 4,5-5,0 | |||||
| PN | SK5V | ||||||||||||||
| 1,30-1,45 | <0,5 | <0,4 | <0,03 | <0,03 | 3,5-4,5 | 0,7-1,2 | <0,4 | 4,2-4,8 | 12,0-13,5 | 5,0-6,0 | |||||
| GOST | R12MF4K5 - Р12МФ5К5 | ||||||||||||||
| 1,30-1,45 | - | - | - | - | 3,8-4,5 | 0,7-1,0 | - | - | 11,5-12,5 | 4,0-5,0 | |||||
| GB/T | W12Cr4V5Co5 | ||||||||||||||
| 1,5-1,6 | 0,15-0,40 | 0,15-0,40 | <0,03 | <0,03 | 3,75-5,00 | - | - | 4,50-5,25 | 11,75-13,00 | 4,75-5,25 | |||||
| NF | Z160WKVC12-05-05-04 | ||||||||||||||
| 1,50-1,65 | - | - | - | - | 4,0-4,5 | 0,7-1,0 | - | 4,75-5,35 | 11,5-13,0 | 4,5-5,2 | |||||
| BS | BT15 | ||||||||||||||
| 1,4-1,6 | <0,4 | <0,4 | - | - | 4,25-5,0 | <1,0 | <0,4 | 4,75-5,25 | 12,0-13,0 | 4,5-5,5 | |||||
| JIS | SKH10 | ||||||||||||||
| 1,45-1,60 | <0,45 | <0,4 | <0,03 | <0,03 | 3,8-4,5 | - | <0,25 | 4,2-5,2 | 11,5-13,5 | 4,2-5,2 | |||||
| UNE | F-5563 | ||||||||||||||
| 1,40-1,55 | <0,45 | <0,4 | <0,03 | <0,03 | 3,8-4,8 | 0,7-1,0 | - | 4,75-5,55 | 11,5-13,0 | 4,7-5,2 | |||||
| ASTM | AISI T15 - UNS T12015 | ||||||||||||||
| 1,5-1,6 | 0,15-0,40 | 0,15-0,40 | <0,03 | <0,03 | 3,75-5,00 | <1,0 | - | 4,50-5,25 | 11,75-13,00 | 4,75-5,25 | |||||
AISI T15, T12015, 1.3202 – description
High-speed steel with very high abrasion resistance and tempering resistance.
Used for heavy-duty finishing tools, operating with insufficient cooling, machining very strong materials, austenitic materials, cast iron products, castors, wheels, rims, rollers, etc. It is used to produce automatic machine tools, turning knives, special drilling bits, reamers, milling cutters, gear tools, etc.
Physical and mechanical properties
Physical properties:
- Density: 9.2 g/cm3
The hardness after soft annealing: 223-285 HB.
The hardness after toughening depends on the tempering temperature:
- Tempering temperature: 300 °C - 61 HRC
- Tempering temperature: 350 °C - 61 HRC
- Tempering temperature: 400 °C - 62 HRC
- Tempering temperature: 450 °C - 64 HRC
- Tempering temperature: 500 °C - 66 HRC
- Tempering temperature: 550 °C - 67 HRC
- Tempering temperature: 600 °C - 65,5 HRC
- Tempering temperature: 650 °C - 62 HRC
- Tempering temperature: 700 °C - 54,5 HRC
Heat treatment and working
Recommended working and heat treatment parameters for SK5V alloy:
- Forging: 1050-900 °C
- Rolling: 1050-900 °C
- Soft annealing: 800-900 °C
- Stress-relieving: 600-700 °C
- Heating I: ~550 °C
- Heating II: 850 °C
- Austenitizing: 1210-1250 °C
- Tempering: 550-570 °C
- Nitriding: 510-530 °C
We deliver this steel alloy as:
In soft annealed condition.
- Round and flat bars
- Forgings
Substitutes, equivalents and other species designations
SK5V
HS12-1-5-5
S308
R12MF4K5-MP
Р12МФ5К5
Р12Ф5К5
W12Cr4V5Co5
19858
Z160WKVC
1.3202
BT15
SKH10
F-5563
T15
T12015
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