Gas Shielded Welding an>
Specification | ISO | G62 4 M21 ZMn3Cr |
AWS | ER100S-G | |
GB | ER69-G | |
Shieding Gas | 80%Ar+ 20%CO2 |
|
Product Description
Characteristics：
(1) This product is the 700MPa grade high strength steel ery good mechanical properties.
(2) With the mixed shielding gas,XINYU Gas Shielded Welding pan> can be used to welding the important low alloy structures, and widely used in the welding of scraper chain and hydraulic supports in mining machinery
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 |
0.08 | 0.60 | 1.45 | 0.010 | 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 | |||
750 | 655 | 23 | -20 | 94 |
The applicable current range and specifications of the product (DC+):
Dia (mm) | 0.8 | 0.9 | 1.0 | 1.2 | 1.4 | 1.6 | |
Current Range (Amp) | Flat welding | 50 ~ 180 | 50 ~ 200 | 50 ~ 220 | 80 ~ 350 | 100 ~ 470 | 200 ~ 500 |
Vertical up welding | 50 ~ 100 | 50 ~ 140 | 50 ~ 140 | 50 ~ 140 | 100 ~ 180 | — | |
Overhead welding | 50 ~ 100 | 50 ~ 120 | 50 ~ 120 | 50 ~ 160 | — | — | |
Vertical down welding | 50 ~ 100 | 50 ~ 200 | — | — | — | — | |
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