Welding ruction machinery
Specification | ISO | G69 4 M21 ZMn3NiMo |
AWS | ER110S-G | |
GB | ER76-G | |
Shieding Gas | 80%Ar + 20%CO2 | |
Characteristics：
(1) This product is the 800MPa grade high strength steel pan>, it has very good mechanical properties.
(2) With the mixed shielding gas,this ed to welding the important corresponding level structures.
Precautions：
1. Pay attention to the gas purity and mixture ratio.
2. Keep the gas flow rate between 15 ~ 25 L / Min.
3. The extension length keep between 15 to 20mm
4. Clear the oil, rust, moisture, dust and other debris of the welded parts.
5. Keep the welding hood clean and unobstructed.
One chemical composition of the weld metal sample (wt%)
（Shielding Gas:80%Ar+20%CO2）
C | Si | Mn | P | S | Else |
0.07 | 0.50 | 1.52 | 0.008 | 0.005 | -- |
One mechanical properties of the weld metal sample
（Shielding Gas:80%Ar+20%CO2）
Tensild Strength MPa | Yield Strength MPa | Elongation % | Impact Energy Value | |
℃ | J | |||
835 | 760 | 23 | -20 | 95 |
The applicable current range and specifications of the product (DC+):
Dia (mm) | 1.2 | 1.4 | 1.6 | |
Current Range (Amp) | Flat /Flat fillet welding | 200 ~ 350 | 250 ~ 450 | 300 ~ 550 |
Horizontal welding | 200 ~ 320 | 250 ~ 400 | 300 ~ 450 | |
Hebei XINYU Welding Co., Ltd, which mainly produces high strength steel welding pan>, Non-copper-coated solid pan>, submerged arc & stainless steel welding pan> .
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