

Tangki Duplex Menggunakan bahan duplex yang merupakan kasta tertinggi dari seri stainless diatas SUS316, menjamin durabilitas lebih baik dari tangki stainless lain.
✅ Good weldability
✅ TIG-GTAW, Laser and PAW most common
✅ Nitrogen additions to shielding / backing gas gives positive effect on strength and corrosion resistance
✅ Shielding gas (TIG) Ar + 1-3% N2, Ar + 10-30% He + 2% N2, Ar
✅ Backing gas (TIG) 90% N2 + 10% H2, 95% N2 + 5% H2, N2
✅ Use back gas also when repair and welding
✅ Post weld heat treatment not necessary
✅ Welding decreases corrosion resistance!Effect less with good backing gas shielding.Post weld cleaning is recommended!