High Carbon steels SAW welding wire F7A/P4-ECG and welding flux welding makings
Used for -40C impact required environment, generally used for heat treatment under the occasion of pressure vessels, pipelines and other welding.
What are the characieristics?
●The metal powder core submerged arc welding wire of 480MPa grade high strength steel is welded with GXL-121 flux. The arc combustion is stable, the slag removal is easy, and the welding pass forming is beautiful.
●The weld metal has excellent mechanical properties, low content of P and S, and excellent low temperature impact performance.
Product Parameter
CHEMICAL COMPONET:
| ALLOY(wt%) | C | Si | Mn | P | S | Ni | Cr | Mo |
| GB/T RULES | 0.05 | 0.25 | 1.25 | 0.015 | 0.005 | - | - | 0.25 |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | ELONGATION % | IMAPACT VALUE J/℃ | Heat treatment °C*h | ||||
| GB/T RULES | 450 | 525 | 32 | 110/-40 | 620*4.5 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 3.2 | 4.0 | |||
| Voltage(Volt) | 28-32 | 28-32 | |||
| Electricity(Amp) | 400-550 | 500-650 | |||
| Speed(mm/min) | 300-420 | 400-480 | |||
| Dry stretch length(mm) | 22-26 | 30-34 |
Mode of transportation
●Motor transport
●Shipping
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We participate in the program
●Jiangsu Donghua Energy 80,000 m3 propane storage tank
●400,000 tons ore carrier
Our products to the world
CHEMICAL COMPONET:
| ALLOY(wt%) | C | Si | Mn | P | S | Ni | Cr | Mo |
| GB/T RULES | 0.05 | 0.25 | 1.25 | 0.015 | 0.005 | - | - | 0.25 |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | ELONGATION % | IMAPACT VALUE J/℃ | Heat treatment °C*h | ||||
| GB/T RULES | 450 | 525 | 32 | 110/-40 | 620*4.5 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 3.2 | 4.0 | |||
| Voltage(Volt) | 28-32 | 28-32 | |||
| Electricity(Amp) | 400-550 | 500-650 | |||
| Speed(mm/min) | 300-420 | 400-480 | |||
| Dry stretch length(mm) | 22-26 | 30-34 |
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