T-420

Surfacing in requiring corrosion resistance.

AWS          A5.9 : ER420
EN             14343 B : SS420

Category:
T-410
T-430

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~4.0 AWS A5.9
EN 14343 B		 ER420
SS420		 F, HF, H, VU, VD, OH Ar DC(-)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.33 0.39 0.4 – – 0.16 12.56 0.01 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
310 510 20 – – 840~870℃x1Hr
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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