M-309

Welding of base metals of similar alloys in wrought or cast forms. Welding of dissimilar steel such as Type 304 to carbon steel or low alloy steels.

KS              D 7026 : Y309
AWS          A5.9 : ER309
EN             14343 B : SS309
JIS             Z 3321 : Y309

Category:
M-308LSi
M-309L

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
0.8~1.6 AWS A5.9
EN 14343 B
KS D 7026
JIS Z 3321		 ER309
SS309
Y309
Y309		 F, HF Ar DC(+)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.42 1.65 – – 23.33 13.47 0.06 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
420 610 40 – 150 (0℃) –
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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