Gold Member Since 2015
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Huangshi Chengquan Metal Material Co., Ltd.

Tool Steel, Tool Steel Bar, Cold Work Tool Steel manufacturer / supplier in China, offering Cold Work Tool Steel A4 Steel Bar, 1.4021, X20cr13, AISI420 Martensitic Stainless Steel (EN10088), 1.4116, X50crmov15 Martensitic Stainless Steel (EN1008-3) and so on.

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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
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Production Capacity: 500tons Per Month
Transport Package: Seaworthy Packing
Payment Terms: L/C, T/T, D/P

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Basic Info
  • 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
Product Description
Shape: Round, Flat, Square.
Size Range:

Diameter(mm)Thickness (mm)Width (mm)Length(mm)
Round50-420--2000-5800
Square50-420--2000-5800
flat-20-5080-6002000-5800

Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR

Delivery Condition:
Annealed , Quenched + Tempered

Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished

Features:
1.Competitive price
2.Immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 Ton
 
Packing detailsIn seaworthy packing, as your requirement.
Delivery detailswithin 30-50 days


Chemical Composition:
CMnPSSiCrMo
0.95-1.051.80-2.200.030max0.030max0.10-0.700.90-2.200.90-1.40
 

Heat treatment:
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.

 
Contact information:
FUSHUN SPECIAL STEEL CO., LTD.
Tel: 89-0731-89903933(CHANGSHA, Office)
Fax: +86-0731-89853933
Mobile: +86-15675829432
Website: www.fushunspecialsteel.com
 



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