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Oil drilling parts
AISI4145×AISI1340×AISI4145
φ130.2×t18
Flash butt welding- Low bonding strength, use not possible for long parts- Excavation depth limit of 2,000 m
- Improved bonding strength with pressure welding- Excavation possible to depth of 12,000 m
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S45C x S45C or equivalent pipe
SS400×S55C
Aluminum x electromagnetic steel
S35C×SUJ2
Stable, complete joints are realized, even when combining dissimilar metals or nonferrous metals.
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