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U 40 Ni (G III)

Gas welding rods for mild and low alloyed steel

Quality U 40 Ni (G III)
Classification DIN EN 20378 - III
Material No. 1.6215
Classification AWS A5.2 ~R60
Approvals TÜV 02333.04, CE, DB 70.045.07
Characteristics and application Well suited for weldments with special requirements. Viscous melting bath and excellent fusion.
Base materials Steels up to a yield strength of 275MPa (40 ksi).
S185-E295, S235JR-S275JR
ASTM: A36, A106 grades A/B/C, A139 grade A, A210 grades A1/C, A216 grades WCA/WCB/WCC, A234 grade WPB
Typical analysis in %
C: 0,08
Si: 0,10
Mn: 1,10
Ni: 0,40
Yield strength in Mpa ≥ 310
Tensile strength in Mpa ≥ 400
Elongation in % 4d/5d: ≥22
Charpy-V-Value (ISO-V) in J RT ≥ 47
Typical heat treatment Preheat and PWHT are generally not necessary but actual requirements will depend on the grade and thickness of material being welded and any design codes that apply.
Other products SAW: UP-99/UP-100/UP-101/UP-102/UP-100Si
MIG/GMAW: ED-SG 1/ED-SG 1 A/ED-SG 2/ED-SG 3
TIG/GTAW: WSG 1/WSG 1 A/WSG 2/WSG 3
Gas welding: U 39/U 40