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针对油气输送管线易于产生应力腐蚀开裂的特点 ,提出采用逆焊接加热处理技术导入表层压应力的新工艺 ,为未来采用超洁净管线钢制造的输送钢管和其它各类钢结构防止应力腐蚀开裂提供了技术储备。
Aiming at the characteristics that oil-gas pipeline is easy to produce stress corrosion cracking, a new technology of introducing surface compressive stress by inverse-welding heat treatment technology is put forward to provide the steel pipe and other types of steel structure for preventing stress corrosion cracking in the future by using ultra-clean pipeline steel Technical reserve.