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Specifications
a. use imported EAF machine b. pass the US test c. excellent quality d. prompt delivery
High speed steel W6Mo5Cr4V2 Anneal temperature: 840-860oC Relief annealing temperature: 720-760oC Hardening temperature: 1210-1230oC Hardening medium: salt bath under 600oC,aslo use oil cooling or air cooling Normal temper temperation: 540-560oCRC Rockwell Hardness after hardening and temper: 63-66
Characteristic:Tungsten-molybdenum high speed steel developed by China, high performance in toughness , ,hardness, high temperature hardness. Application: Can be used in the manufacture of high capacity cutting tools to bear impact force ,such as gear shaper cutter, milling cutter,screw tap,drill bit etc.Also can be used in manufacture of large scale and thermoplasticity shaped cutting tools and antiabrasive cutting tools under high load |
cold work mold steel,hot tolled and forged
Chemical composition:
C | Mn | Si | Cr | W | P,S | Cu | |
2.05 | 0.8 | / | 12.5 | 1.3 | ≤0.03 | ≤0.3 |
Delivery condition: Annealed or QT
steel round bar 1. diameter60-380mm 2. grinded/black surface/machined/polished 3. ISO9001:2008 certificate
Steel round bar (k340)
1. Chemical Composition %
C | Si | Mn | Mo | V | Cr | P |
1.00 | 0.91 | 0.32 | 2.00 | 0.28 | 8.00 | 0.007 |
2. Characteristics
• High heat treatment hardness
• Good toughness
• High machinability and abrasiveness
• Residual stress is lower after wire cutting
4. Technical Process
steel scrap
steel round bar