Steel SKH58 size available:
Round Bar |
Diameter(mm) |
Length(mm) |
-- |
| 12~420 |
2000~6000 |
-- |
Flat Bar |
Thickness(mm) |
Width(mm) |
Length(mm) |
| 2~420 |
30~1500 |
2000~6000 |
Steel SKH58 process of production:
| Smelting process |
Technique |
Heat treatment |
| EAF+LF+VD+ESR |
Hot forged/ Hot rolled |
Annealed/Quenched&Tempered |
Steel SKH58 surface condition:
| Flat Bar |
Round Bar |
| Black surface/Milled surface |
Grinded surface/Peeled surface/Polished surface |
Steel SKH58 delivery condition:
| Hot rolled,Hot forged, Annealed, Quenched and Tempered ,or as your special requirements. |
Steel SKH58 specification:
| Packing details |
In seaworthy packing, or as your requirements. |
| Delivery details |
within 30-50 days. |
| Marking |
Grade, heat No. length will be stamped on each bar with required color. |
| Ultrasonic Test |
SEP 1921 D/d,or as your requirements. |
| Quality assurance |
ISO9001 certified, IQNet, CQC. |
Steel SKH58 applications:
| Steel SKH58 is used for making all kinds of complex high precision cutting tool, such as forming milling cutter, precision broach, etc, also can be used for precision of all kinds of high hardness, high toughness, wear-resistant metal cold punching die. |
Steel SKH58 chemical composition(%):
| C |
Si |
Mn |
P |
S |
Cr |
W |
V |
Mo |
| 0.95~1.05 |
0.70max. |
0.40max. |
0.030max. |
0.030max. |
3.50~4.50 |
1.50~2.10 |
1.70~2.20 |
8.20~9.20 |
Steel SKH58 heat treatment & hardness of steel:
| Annealed hardness(HBW)& Annealed temperature(ºC) |
269 max,820 to 880 slow cooling |
| Quenched and tempered hardness(HRC) & Heat treatment temperature(ºC) |
64 min,Quenching:
1200 oil cooling,Tempering:560 air cooling |
Steel SKH58 introduction:
| 1.Steel SKH58 is of high working hardness. |
| 2.Steel SKH58 is of high wear hardness. |
| 3.Steel SKH58 is of excellent toughness . |
4.Steel SKH58 is of high retention of hardness and red hardness.
|
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