The material selection of the punch pin is mainly high-speed steel. The commonly used materials are SKH9, SKH55, SKH59 in Japan, M2, M35 and M42 in the United States. The main feature of the material is that the high-speed punching material can maintain good red hardness and wear resistance. There are also some powder high speed steel materials, commonly used are ASP23, ASP30, ASP60.
The performance of the material is superior to that of high-speed steel, but the price is high and the range of use is relatively small. Tungsten carbide punch pins are new products that can be produced by a few companies this year. They are mainly made of tungsten carbide. They have high toughness requirements for materials, and the technical requirements and production costs during production are also high. They are commonly used in the stainless steel cold heading industry.
Material:Carbide>M42(H59)>M35(H55)>M2(H9)
H9(M2)
Chemical Composition
C
Si
Mn
P
S
Cr
Mo
V
W
Content (%)
0.85
0.33
0.34
0.027
0.005
4.12
4.73
1.78
5.74
Cu
Ni
0.12
0.24
M42(SKH59)
Chemical Composition
C
Si
Mn
P
S
Cr
Mo
V
W
Content (%)
1.06
0.3
0.31
0.018
0.002
3.74
9.29
1.1
1.34
Cu
Ni
Co
0.07
0.29
7.97
Surface Treatment:TILAN
Factory
About Us
Chongqing Henghui Precision Mold Co., Ltd. has CNC lathes, CNC machining centers, CNC Cylindrical Grinding Machine, CNC EDM machine, CNC Cutting Machine, Milling Andam Drilling Machine ,etc.We also have various types testing equipment,such as Rockwell Hardness Tester, Projector ,3D Image Measuring Instrument, etc. Henghui using high-quality tungsten carbide material and professional vacuum heat treatment.We design,manufacturing and supply high-quality precision molds for customers who engaged in cold heading and hot upsetting industries.About our molds , the relative standard deviation can be controlled within 0.005mm, concentricity can be controlled within 0.01mm. Strict accordance with ISO9001:2015 quality management system requirements of the operation,can ensure provide timely and high-quality service for our customers.Our products has exported to Southeast Asia,Europe and the United States "Customer first, quality first, technology first, dedicated service" is our consistent operating principles.Warmly welcome to negotiate business with us.