Customization: | Available |
---|---|
Type: | Round |
Standard: | JIS |
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Round Bar |
Diameter(mm) | Length(mm) | -- |
12~420 | 2000~6000 | -- | |
Flat Bar |
Thickness(mm) | Width(mm) | Length(mm) |
2~420 | 30~1500 | 2000~6000 |
Smelting process | Technique | Heat treatment |
EAF+LF+VD+ESR | Hot forged/ Hot rolled | Annealed/Quenched&Tempered |
Flat Bar | Round Bar |
Black surface/Milled surface | Grinded surface/Peeled surface/Polished surface |
Hot rolled,Hot forged, Annealed, Quenched and Tempered ,or as your special requirements. |
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 SKH40 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. |
C | Si | Mn | P | S | Cr | Mo | W | V | Co |
1.23~1.33 | 0.45max. | 0.40max. | 0.030max. | 0.030max. | 3.80~4.50 | 4.70~5.30 | 5.70~6.70 | 2.70~3.20 | 8.00~8.80 |
Annealed hardness(HBW)& Annealed temperature(ºC) | 302 max,800 to 880 slow cooling |
Quenched and tempered hardness(HRC) & Heat treatment temperature(ºC) | 65 min,Quenching: 1180 oil cooling,Tempering:560 air cooling |
1.Steel SKH40 is of high working hardness. |
2.Steel SKH40 is of high wear hardness. |
3.Steel SKH40 is of excellent toughness . |
4.Steel SKH40 is of high retention of hardness and red hardness. |