308L/MVR焊条C0.02 Si 0.8 Mn 0.6 Cr19.5 Ni10.0 FN 10(Delong) Cr-Ni钢不锈钢焊条,适用于焊接ASTM-304和304L钢全位置焊接
308L/MVR-4D焊条C0.02 Si 0.8 Mn 0.6 Cr19.5 Ni10.5 FN 5(Delong)金红石酸性薄药皮不锈钢焊条,适用于薄管、薄板的各种位置的焊接,焊接性能优异
308L/MVR-PW焊条 C0.02 Si 0.8 Mn 1.0 Cr19.0 Ni10.0 FN 5(Delong) Cr-Ni钢立向上及仰