This standard specifies the basic requirements of the boiler makers on the receiving acceptance of primary materials for boiler construction except for unless otherwise stated in the purchase contract..
This standard is applicable to the primary materials for stationary boilers, including: steel plates, steel tubes, section steel (No. 25 or above), round steel (used for manufacturing draw rods and 40mm or above-diameter suspenders), structural steel plates (used for manufacturing alar plate and web plate for plate girder) and welding materials (including welding rod, welding wire, flux-cored wire and welding flux). Other materials for stationary boilers may be accepted according to the requirements of this standard.
