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M-309LSi
Welding of similar alloys in wrought or cast forms, Joining of Type 304 to carbon steel and welding the clad side to Type 304 clad steels.
AWSA5.9 : ER309LSi
EN14343 B : SS309LSi

Category:
M-309L
M-309LMo

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
0.8~1.6 AWS A5.9
EN 14343 B		 ER309LSi
SS309LSi		 F, HF Ar DC(+)
 
Typical chemical composition of wire (%)
C Si Mn P S Cr Ni Mo Remark
0.01 0.91 1.86 – – 23.07 13.62 0.11 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
410 520 40 – 90 (0℃) –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
– 0.9mm 70 250 14 25
– 1.2mm 100 300 16 32
– 1.4mm 120 320 16 34

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