Cold Work Tool Steel A4 Steel Bar
|FOB Price:||US $500-3,000 / Ton|
|Min. Order:||1 Ton|
|Min. Order||FOB Price|
|1 Ton||US $500-3,000/ Ton|
|Production Capacity:||500tons Per Month|
|Transport Package:||Seaworthy Packing|
|Payment Terms:||L/C, T/T, D/P|
- Model NO.: A4
- Standard: AISI, ASTM
- Composition: Ferrous Steel Scrap
- Shape: Round, Flat
- Special Use: Mold Steel
- Size Range: Dia 20-480 mm
- Delivery Condition: Annealed, Quenched + Tempered
- Trademark: Chengquan
- Origin: Huangshi
- Type: Round
- Steel Grade: High Quality Steel
- Technique: Rolled, Forged
- Surface Treatment: Black, Grinded, Peeled, Rough Turned, Polished
- Application: Tool Steel Bar
- Surface Condition: Black, Grinded, Peeled, Rough Turned, Polished
- Steel-Making Condition: Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
- Specification: A4
- HS Code: 7228600000
|Diameter(mm)||Thickness (mm)||Width (mm)||Length(mm)|
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Annealed , Quenched + Tempered
Black, Grinded, Peeled, Rough turned, Polished
5.MOQ: 1 Ton
|Packing details||In seaworthy packing, as your requirement.|
|Delivery details||within 30-50 days|
Hardness :Annealed(+A) max: 241 BHN
Tool steel A4 when heat-treatment the preheat Temperature need reach 677°C, and the temperature may be ± 14 °C .
Tool steel A4 when austenitizing ,should keep 5-15 minutes long. If is the salt bath ,temperature should keep in the 843 °C, and shall be ± 5.6 °C. Or is the controlled atmosphere furnaces, temperature should keep in the 857 °C, and shall be ± 5.6 °C.
Quenching: Tool steel A4 Hardening quenching using air cooling, and it's hardness min is 61 RC.
Tempering: Tool steel A4 general tempering temperature is 204°C. Double tempering of Double tempering of tool steel A4 is recommended.
Ultrasonic Test:Material will be ultrasonically tested at appropriate stages of the manufacture to ensure the quality, as agreed between seller and purchaser.
FUSHUN SPECIAL STEEL CO., LTD.
Tel: 89-0731-89903933(CHANGSHA, Office)