KUNFENGs can use ASTM A515 GRADE 65 steel plate to produce different kind of steel work/steel structure/steel spare parts, if you need these kind of product, please contact us.
20CrMo gear steel is one of our main products. 20CrMo gear steel has high hardenability, temper brittleness, very good weldability, cold cracking tendency to form very small, good machinability and cold plastic strain.
The material 30Mn is a kind of high-quality carbon structural steel under the standard GB/T 699-1988. 30Mn Chemical composition %: Grade Chemical composition %: C Si Mn S
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