Add:Muyudian town Laiyang city
Mob:13356921218
Tel:0535-7816197
Fax:0535-7816197
E-mail：379635313@qq.com
J421是氧化钛型药皮的碳钢焊条，交直流两用，可进行全位置焊接，操作性能良好，再引孤容易。
焊接低碳钢结构，特别适用于薄板小件及短焊缝和要求表面光洁的盖面焊。
J421 is Carbon steel type electrode with Titanium Oxide coating. It is suitable for all一一position welding along with the excellent welding performances and can be used both of AC and DC. The arc is stable and easy to re-strike.
For welding various structures of low carb on steel, i n particular applies to the applications of the welding of thin steel plate, small parts, short joints as well as the surface finish required welding.
| 碳(C) | 锰(Mn) | 硅(Si) | 硫(S) | 磷(P) |
| ≤0.12 | 0.3~0.6 | ≤0.35 | ≤0.035 | ≤0.040 |
| 试验项目 Test item | 抗拉强度 Tensile strength Mpa | 屈服强度 Yield strength Mpa | 延伸率 Elongation % | 冲击值 Impact value (J)0°C |
| 保证值 Guaranteed | ≥420 | ≥330 | ≥22 | ≥47 |
| 一般结果 Tested | 490 | 400 | 27 | 60 |
| 焊条直径(mm) Weld rod diameter | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
| 焊接电流(A) Welding current | 35~60 | 55~95 | 90~140 | 140~200 | 190~240 |
