This standard specifies the items, rules, methods and requirements for the inspection and acceptance of forged mechanical weldments. This standard is applicable to the inspection and acceptance of forged mechanical welding parts made of carbon steel and low alloy steel using manual arc welding, submerged arc welding, gas shielded welding, gas welding and other methods. The dimensional tolerances and shape and position tolerances specified in this standard are also applicable to the inspection and acceptance of forged mechanical weldments manufactured by resistance welding.
JB/T 8609-1997 history
2014JB/T 8609-2014 Metal forming machinery welded parts.Technical specification
1997JB/T 8609-1997 Weldments of forging and pressing machinery Technical conditions