... .8mm, 0.9mm, 1.0mm, 1.2mm, 1.6mm 5kg, 15kg, 20kg GB/T ER50-6 DIN SG2 JIS YGW12 AWS ... , Ni < =0.30, Cr < =0.20 - Weight of spool: 5kg, 15kg and 20kg. - Packing of welding wire:Wire Size Spool Size ... .8mm1.0mm1.2mm1.6mm D100mm D200mmD270mm D300mm K300mm 1kg, 5kg, 15kg, 18kg, 20kgchemical compositionof welding wire(%)CMnSiPSCrNiCu0.06~0.151.40~1 ...