T-90

For TIG welding of 620MPa high tensile steel used for pipe line, offshore, structure, construction machinery, pressure vessels, etc.

AWS              A5.28 : ER90S-G
EN                 16834-A : W 62 6 M Mn3Ni1Mo
EN                 16835-B : W 69A 6 U M N2M1T
JIS                 Z 3316 : W 62 A 6U N2M1T

Category:
T-70S2
T-100

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~4.0 AWS A5.28
EN 16834-A
EN 16835-B
JIS Z 3316		 ER90S-G
W 62 6 M Mn3Ni1Mo
W 69A 6 U M N2M1T
W 62 A 6U N2M1T		 F, HF, H, VU, VD, OH Ar DC(-)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.08 0.61 1.60 0.014 0.002 – 0.86 0.38 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
822 872 26 – 68 (-60℃) –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
All Positon 0.9mm 50 80 10 12
All Positon 1.2mm 70 120 10 12
All Positon 1.6mm 90 170 11 16
All Positon 2.4mm 100 200 13 20
All Positon 3.2mm 120 250 13 22

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