Astm A403 wp347 e akaretsa molao bakeng sa mokhoa o nang le letsoai le boreleli bakeng sa khatello ea lisebelisoa tsa poping. Mathata a ho fepa Litokisetso li tla ba le lijo, Baahi, lipolanete, kapa lihlahisoa tse se nang thuso kapa tse se nang thuso. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations. Litokelo tsohle li tla tlala tlhako ea mocheso.