T-90SB9W

For butt and fillet welding of power plant, heat exchanger and oil refineries such as 9%Cr-0.5%Mo-Nb-V-W heat-resistant steel.

AWS       A5.28 : ER90S-G [ER90S-B9(mod.)]

Category:
T-90SB9
T-80SNi1

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~4.0 AWS A5.28 ER90S-G [ER90S-B9(mod.)] F, HF, H, VU, VD, OH Ar DC(-)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.10 0.24 0.54 0.007 0.003 8.88 – 0.43 V : 0.21
Nb : 0.06
W : 1.67
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
775 860 15 – – 760℃x2Hr
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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