The welders engaged in the welding shall be fully qualified and holding welding certificates from the classification society for the type of welding carried out.
从事的焊接的焊工应该有充分的资格和持有给焊接发证的船级社的证书。
Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.
在进行碳钢及低合金钢的焊接时应进行预热。预热温度在焊接开始到结束期间应保持均衡。
Then some measures for preventing lamellar tearing were proposed from the aspects of steel material selection, joint detail design, fabrication and welding process.
并从钢材选材、结构接头设计、加工及焊接工艺措施等方面提出了防止钢结构厚板层状撕裂的技术措施。
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