5 control measures to take during steel pipe welding process
Unlike seamless steel tubes, the pre-weld preparation of galvanized steel pipes is the same as that of ordinary mild steel. It is necessary to pay attention to the groove size and the nearby galvanized layer. For the penetration, the groove size should be appropriate, generally 60~65°, to leave a certain gap, generally 1.5~2.5mm; in order
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