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Huangshi Chengquan Metal Material Co., Ltd.

Tool Steel, Tool Steel Bar, S7 Tool Steel Bar manufacturer / supplier in China, offering S7 Cold Work Tool Steel, SUS444 Steel Sheet with High Quality and Competitive Price, 1.2825 Round Tool Steel Bar and so on.

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S7 Cold Work Tool Steel

FOB Price: US $1,500-2,500 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $1,500-2,500/ Ton
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Production Capacity: 500ton/ Per Month
Transport Package: Seaworthy Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: S7
  • Standard: AISI, ASTM
  • Technique: Rolled, Forged, Square
  • Surface Treatment: Black, Grinded, Peeled, Rough Turned, Polished
  • Application: Tool Steel Bar
  • Delivery Condirion: Annealed, Quenched + Tempered
  • Steel-Making Condition: Ef, Ef/Eaf+Lf+Vd, Ef/Eaf+ESR
  • Origin: Huangshi
  • Type: Round
  • Composition: Ferrous Steel Scrap
  • Shape: Round
  • Special Use: Mold Steel
  • Size Range: Dia 20-50 mm
  • Surface Condition: Black, Grinded, Peeled, Rough Turned, Polished
  • Trademark: Chengquan
  • HS Code: 7228600000
Product Description
Shaperound, flat, square.
Size Range:

Diameter(mm)Thickness (mm)Width (mm)Length(mm)
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:
Annealed , Quenched + Tempered

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

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

Mechanical Properties:
 Ultrasonic Test:Material will be ultrasonically tested at appropriate stages of the manufacture to ensure the quality, as agreed between seller and purchaser. 

Heat treatment:
Hardness :Annealed(+A) max: 229 BHN
Tool steel S7 when heat-treatment the preheat Temperature need reach 677°C, and the temperature may be ± 14 °C .
Tool steel S7 when austenitizing ,should keep 5-15 minutes long. If is the salt bath ,temperature should keep in the 941°C and shall be ± 5.6 °C. Or is the controlled atmosphere furnaces, temperature should keep in the 954°C, and shall be ± 5.6 °C. 
Quenching: Tool steel S7 Hardening quenching using ail cooling, and it's hardness min is 56RC. 
Tempering: Tool steel S7 general tempering temperature is 204°C. Double tempering of Double tempering of tool steel S7 is recommended.

Heavy Impact Punches
Warm Forging/Heading Dies
Plastic Injection Molds
Shear Blades
Product Description:
S7 tool steel is a shock-resistant air hardening tool steel, designed for high impact resistance at relatively high hardness. It offers toughness to withstand chipping and breaking, combined with high attainable hardness and good wear resistance.

S7 Cold Work Tool Steel
S7 Cold Work Tool Steel

S7 Cold Work Tool Steel
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