Features:
Competitive price
immediate delivery
Premium quality
Reliable service
Size available:
Square/Round Bar: 12~ 500mm
Flat:10~155 x 50~ 800mm
Applications:
SKS21 is used in a wide range of applications -Tap,drill,cutter,die for press,die for thread cutting.
| Packing details |
In seaworthy packing, as your requirement. |
| Delivery details |
within 30-50 days |
Chemical composition(%):
| C |
Si |
Mn |
P |
S |
Cr |
W |
V |
| 1.00~1.10 |
0.35max. |
0.50 max. |
0.030 max. |
0.030 max. |
0.20~0.50 |
0.50~1.00 |
0.01~0.30 |
Surface condition: SKS21 with black surface, polished surface, grinded surface, peeled surface, milled surface.
Heat treatment & hardness of steel:
| Annealed hardness(HB) & Annealed temperature(ºC) |
217 max,750 to 800slow cooling |
| Quenched and tempered hardness(HRC) & Heat treatment temperature(ºC) |
61 min,Quenching:
800 water quenching,Tempering:180 air cooling |
Smelting & Shaping: EF, EF/EAF+LF+VD, EF/EAF+ESR, hot forged/ hot rolled
Delivery condition: SKS21 with hot rolled, forged, annealed, quenched and tempered ,or as your special requirements.
Marking: Grade, heat NO. length will be stamped on each bar with required color.
Ultrasonic Test:Material will be ultrasonically tested at appropriate stages of the manufacture
to ensure the quality, as agreed between seller and purchaser.
Quality assurance: ISO9001 certified, IQNet, CQC
Introduction:
1.SKS21 widely used for cutting tool.
2.SKS21 with excellent combination of high toughness and resistance to thermal fatigue cracking.
3.SKS21 with good stability in heat treatment..
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