HSS Steel Round Bar /High Alloy Round Tool Steel Bar /M2 /M25 /M42 /D2 /H13

Standard: AISI,JIS,GB,BS,DIN,API,EN,ASTM Technique: Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring Shape: U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment: Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated Steel Grade: Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B) Certification: ISO,SGS,CE
Thickness: as required Length: as required Net Weight: as required

1. HSS (M2/W6Mo5Cr4V2/SKH-51/KM-2/1.3342/S600) Round Bar

 

a)Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness ,hardness, high temperature hardness.

 

b)Anneal temperature: 840-860

   Relief annealing temperature: 720-760

   Hardening temperature: 1210-1230

   Hardening medium: salt bath under 600,aslo use oil cooling or air cooling

   Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temperature: 63-66

 

c)Production Capacity: 1000 Tons/Month

 

d)Tech:EAF+LF+VD+ESR

 

e)High strength at elevated temperatures

 

2. Chemical composition

 

CSiMnWMoCrVPS
0.80-0.900.20-0.450.15-0.405.50-6.754.50-5.503.80-4.401.75-2.20≤0.030≤0.030

 

3. Process condition

Forged + Annealed + Machining (Peeled/Turned)

Rockwell  Hardness: 64-66

Quenching Temperature: 1190-1230

 

4. Available sizes

Diameter:20mm-80(85)mm(rolled round steel),90-350(400)mm(forged round steel)

Length: optional

 

5. Heat treatment

1.Annealing after forging:heat to 840-860°c,keep 2-4H,coolbelow to 500°c,hardness≤285HBS

2.Isothermal annealing after forging:heat to 540-860°c,keep temperature 2-4H,furnacecold to 740-760°c,keep temperature 4-6H,to 500°c,hardness≤255HBS.

 

6. Applications

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

 

7. Packing situation

Standard seaworthy packing or as customers' requirement.

 

8. Delivery time

30 days after order is confirmed.


9. Products

 

Aluminium Sheets
Aluminium Sheets

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Aluminium Coils
Aluminium Coils

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Aluminium Foils
Aluminium Foils

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Aluminium Strips
Aluminium Strips

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Aluminium Circles
Aluminium Circles

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Coated Aluminium
Coated Aluminium

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Mirror Aluminum
Mirror Aluminum

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Stucco Embossed Aluminum
Stucco Embossed Aluminum

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