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S45C, S50C, S55C
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Kasen Steel Co., Limited 

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Your Position:Home > Product > Cold Work Tool Steel

S7

Update:2018/7/21 17:57:58      View:3967
  • Type:   S7
  • Description:

    S7

Introduction
Chemical Composition                                                                                                
C Si Mn Cr P S Mo V
0.45-0.55 0.20-1.00 0.20-0.90 3.00-3.50 ≤0.03 ≤0.03 1.30-1.80 ≤0.35


Available size                                                                                          

Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm


Surface condition                                                                               

Black surface/ Grinded/ Machined


Hardness                                                                          

Annealed HBS235 max


Characteristics                                                                                      

Tool Steel S7 is a shock steel with exceptional impact properties - unnotched Charpy over 200 ft-lb at 400F temper. Since it hardens in air, it is safe and stable in heat treatment. But perhaps the most remarkable characteristic of S7 is its versatility.
S7 has an unusual combination of properties, making it suitable for an extremely wide range of tool and die work - where shock-resistance, medium hot-work properties, or ease of machining and heat-treatment are most important.


Applications                                                                                           

Steel S7 Flat Bar is used widely for medium-run cold work tools and dies, for plastic molding dies, for shear blades, for medium hot work dies, for master hobs, and for component parts of many products.
It is recommended for both hot and cold shock applications such as rivet sets, chisels, punches, moil points, hot headers and gripper dies. S7 is also suited for short-run dies used in coldforming, blanking, and bending. Other uses include: engraving dies, machined cavities for plasticmolding dies, die-casting dies, shear blades, and master hobs.
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1.2363/A2/SKD12
1.2436/D6/Cr12W
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