Guangzhou Changfeng Steel Co., LTD
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1.3243/M35 Hot Rolled Special Alloy Steel Round Bar
1.3243/M35 Hot Rolled Special Alloy Steel Round Bar With length 3000-6000mm
Chemical composition (%)
| C | Si | Mn | S | Cr | W | Mo | V | Co |
| 0.93 | 0.38 | 0.35 | ≤0.03 | 4.10 | 6.30 | 4.80 | 1.85 | 4.90 |
Features:
1) For tungsten molybdenum containing cobalt high speed steel, improve the red hardness and high temperature hardness;
2) Improved wear resistance, good machinability, but lower strength and impact toughness, easy oxidation decarburization;
3) Commonly used for gear cutting tools, milling tools and tools such as punch, cutter for cutting hard material;
Application:
1) Has good machinability, but lower strength and impact toughness.
2) easy oxidation decarburization, commonly used for gear cutting tools, milling tools and tools such as punch.
3) cutter for cutting hard material.
Heat treatment:
| Preheat | 1190~1210ºC or 200~1220ºC | Delivery hardness | ≤285HB | quenching | 730~840ºC |
| Oil cooling | 540~560ºC | Annealed | ≤269HB | Ready Stock | 6-50mm |
| Tempering | Twice, 2 hours each time. | ||||
| Delivery status | Hot rolled, forged, annealed, | ||||
| Surface conditions | Rough turning, peeling, polishing,machined, grinded,black surface | ||||
| Deliver time | 7-20 days.For customized products, 30-50 days. | ||||
Delivery:
For abundant stock: 15-20 days.
For customized products: 30-50 days.
Technical service:
Die vacuum heat treatment and die surface treatment(N-O,C-N,carburize and nitridation surface treatment).
Terms of payment:
30% deposit T/T and the balance by L/C at sight or T/T.
Our Service For You
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices.
3. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
4. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
Warehous
Processing
Strict Quality Control