GB/T 3077 20Ni4Mo is a chinese grade of high hardenability and high strength cementation steel .If you need 20Ni4Mo steel round bar, or other grades,pleas e feel free to contact us.
ASTM A131 DH32 Steel Structure has a strict control on chemical composition of steel as per requirements of domestic and international shipbuilding standards CCS, GL, BV, ABS, DNV, LR, NK, KR, RINA.
We mainly produce DIN 17175 ST35.8, DIN 17175 ST45.8, and 10CrMo910 steel pipes. DIN17175 ST35.8 steel pipe is our star produce. KUNFENG put DIN17175 ST35.8 steel pipe on the very important position.
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