TGF-321免充***不锈钢焊丝TGF-321免充***不锈钢焊丝图片。化学成分CSiMnPSNiCrMoTGF308不锈钢免冲***焊丝标准≤0.08≤0.651.0-2.5≤0.03≤0.039.0-11.019.5-22.0TGF308L不锈钢免冲***焊丝标准≤0.03≤0.651.0-2.5≤0.03≤0.039.0-11.019.5-22.0TGF309不锈钢免冲***焊丝标准≤0.12≤0.651.0-2.5≤0.03≤0.0312.0-14.023.0-25.0T......)