This part of GB/T 37400 specifies the order requirements,manufacture processes,technical requirements,inspection rules,test methods,retest and re-heat treatment,quality certificates,markings and packaging of carbon steel and low alloy steel castings for heavy machinery.
This part is applicable to the carbon steel or low alloy steel castings cast in sand mould or casting mould with equivalent thermal conductivity.
This part is not applicable to the casting of high manganese steel,heat resistant steel,stainless steel and other non-structural steel grades.
定价: 288元 / 折扣价: 245 元 加购物车
This part of GB/T 37400 specifies the scope of defects requiring repair welding, technical requirements for preparations before welding, technical requirements for repair welding, postweld stress relief annealing treatment and inspection of steel castings.
This part is applicable to repair welding before finish machining of carbon steel, low alloy steel and high manganese steel casting defects.
定价: 252元 / 折扣价: 215 元 加购物车