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Austenite/low temperature resistance

Product Detail

Standards compliant: GB/T17853 E308LT1-1

AWS A5.22 E308LT1-1


Characteristics and applications

1.High impact ductility under -196°C low temperature;

2.Featuring stable arc, little spatte, favorable detachability, stable wire feedability, beautiful appearance and other favorable welding performance;

3.Applicable to petrochemical engineering, low temperature storage tanks and vessels .


Welding position



Chemical composition (wt%)

Alloy wt% C Mn Si Cr Ni Mo P S Cu
GB/T 0.04 0.5-2.5 1.0 18.0-21.0 9.0-11.0 0.50 0.040 0.030 0.50
AWS 0.04 0.5-2.5 1.0 18.0-21.0 9.0-11.0 0.75 0.040 0.030 0.75
Case value 0.02 1.25 0.42 19.58 9.60 0.04 0.022 0.003 0.03


Mechanical properties

Mechanical properties Yield strength MPa Tensile strength MPa Elongation% Impact valueJ /°C
GB/T - 520 35 -
AWS - 520 30 -
Case value - 550 40 43/-196


Recommended current range: (DC+)

Diameter of welding wire (mm)

1.2 1.6

Voltage (V)

22-36 26-38

Current (A)

120-260 200-300

Extension length (mm)

15-20 18-25

Gas flow (l/min)

15-25 15-25


Welding precautions

1.Using CO2 shielding gas with purity ≥99.98% and gas flow of 20-25L/min.

2.Interpass temperature: 16~100°C

3.During welding, please keep off wind to prevent welding defects caused by flying off shielding gas. Greasy dirt, water, etc. at welding parts shall be removed.

4.Welding wire shall be used up as quickly as possible after unpacking. Moisture-proof measures shall be adopted for those not used up.



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