M-420

Surfacing in requiring corrosion resistance.

AWS         A5.9 : ER420
EN            14343 B : SS420

Category:
M-410
M-430

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
0.8~1.6 AWS A5.9
EN 14343 B		 ER420
SS420		 F, HF 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.
F, HF 0.9mm 70 250 14 25
F, HF 1.2mm 100 300 16 32
F, HF 1.4mm 120 320 16 34

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