Guangzhou Changfeng Steel Co., LTD
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1.3343 / M2 / SKH51 Hot Rolled High Speed Tool Steel Round Bar
• Introduction:
DIN 1.3343 High Speed Tool Steel has the advantages of fine - uniform carbon, high toughness and good thermoplastic.It is a high alloy steel containing a variety of alloy elements.With high hardness, high wear resistance, high hardness, high hardenability and enough plasticity and toughness, and have good casting, forging, welding and machining performance, so it occupies in the tool steel and the important position.
• Equivalent grades:
| GB | DIN | AISI | JIS |
| W6Mo5Cr4V2 | 1.3343 | M2 | SKH51 |
• Available shape:
Steel plate
Flat bar
Round bar
Steel sheet
Steel rod
Steel block
Steel pipe
• Features:
1, The carbides are fine, uniform, high toughness and good plasticity.
2, High hardness, high wear resistance, high heat hardness, high hardenability and sufficient plasticity and toughness.
3, Good casting, forging, welding and machinability.
• Chemical Composition(%):
| C | Si | Mn | Cr | Mo | V | W | P | S |
| 0.80-0.90 | 0.20-0.45 | 0.15-0.40 | 3.80-4.40 | 4.50-5.50 | 1.75-2.20 | 5.50-6.75 | ≤0.030 | ≤0.030 |
• Applications:
1, Manufacture heavy load, complex shape, valuable tool (such as scraper, gear, milling cutter, drill bit, tapping knife, etc.).
2, Cold forging die, forging tool.
3, Cutting machine and heading forming die.
• Recommend heat treatment:
| Quenching | Tempering | ||||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Tempering temperature/ºC | Tempering number | Hardness (HRC) | ||
| First preheating | Second preheating | Last heating | |||||
| 550-600 | 950 | 1220-1250 | Oil Cooling | ≥63 | 550-570 | 2 | 60-62 |
• Terms of payment:
30% deposit T/T and the balance by L/C at sight, or T/T.
• Delivery condition:
Hot rolling, forging, cold drawing steel rod for the delivery of annealing, hot rolling, forging steel rods for annealing + other processing methods (peeling, light drawing, polishing or polishing, etc.) processing and delivery.
For abundant stock, 15-20 days.For customized products, 30-50 days.
Quality Condition:
1. Both end of each bar must be cut
2. Ladle furnanced and vacuum de-gassed
3. Show heat No. on each bar
4. Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
5. The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
Product pictures: