标准
AISI认证, ASTM, bs, 中国DIN标准, 国标, JIS
Product Name
Alloy Steel Round Bar AISI 4340 Steel Price Per KG
Special Use
Mold Steel, Round 4340 Steel Bar / Steel AISI 4340 Round
Surface treatment
Black surface/ Grinded/ Machined
Production route
EF/EAF+LF+VD/ESR
Quality inspection
UT, Chemical test, Microstructure, Physical properties etc.
UT test standard
SEP1921-84 class3 C/c to D/d
Delivery condition
Hot Forged +Rough Machined (black Surface
Service
Sample free and 24 hours online