高强度焊接钢管
high strength welded steelpipe
高强度焊接管
high strength welded pipe
低焊接裂纹敏感性高强度钢
low welding crack-sensitive high-strength steel
high tensile steel
高强度管线钢焊接材料
weld consumption with high strength
焊接高强度钢
high strength steel for weld
焊接节点疲劳强度
fatigue strength of welded joints
摩擦焊接头强度
Friction-welded joint strength
α-γ型异种钢焊接接头
dissimilar steel welded joint
不等厚焊接接头
Welded joint with different thickness