Description
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Sizes (mm) Standard Welding Position Shielding gas Polarity 1.2~4.0 AWS A5.9
EN 14343 B
KS D 7026
JIS Z 3321ER309
SS309
Y309
Y309F, HF, H, VU, VD, OH 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℃) –