High Carbon steels Flux cored wire E70T-4 weld fabrication jointing
Application
Suitable for building structure, steel frame and other steel structure butt welding and fillet welding.
The standard we met: GB/T10045 T 49 Z T4-0 N A , AWS A5.20 E70T-4 & A5.20M E490T-4, ISO17632-A:T42 Z Y NO 3, ISO 17632-B:T49 Z-0 NO A,JIS Z3313 T49ZT4-0NA.
CHEMICAL COMPONET:
ALLOY(wt%) | C | Mn | Si | Cr | Ni | Mo | P | S | AI |
GB/T RULES | 0.30 | 2.00 | 0.90 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 2.00 |
AWS RULES | 0.30 | 1.75 | 0.30 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 1.80 |
EXAMPLE VALUE | 0.220 | 0.550 | 0.30 | 0.03 | 0.02 | 0.01 | 0.013 | 0.002 | 1.5 |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | HEATTREAMENT℃xh | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
GB/T RULES | 390 | 490-670 | AW | - | 18 | ||||
AWS RULES | 390 | 490-670 | AW | - | 22 | ||||
EXAMPLE VALUE | 430 | 590 | AW | - | 25 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 2.4 | 2.8 | 3 | ||||
VOLT | 24-32 | 24-35 | 24-35 | ||||
AMP | 260-400 | 280-450 | 280-450 | ||||
LENGTH:MM | 65-70 | 65-70 | 90-95 |
Peculiarity
Under the condition of base metal rust, oxidation and high sulfur content.
The use has good porosity resistance.
Welding pass forming beautiful, good slag removal.
Show details
Good desquamation
Beautiful shape
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Three gates 2# are not motile
Welding materials for railway vehicles
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CHEMICAL COMPONET:
ALLOY(wt%) | C | Mn | Si | Cr | Ni | Mo | P | S | AI |
GB/T RULES | 0.30 | 2.00 | 0.90 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 2.00 |
AWS RULES | 0.30 | 1.75 | 0.30 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 1.80 |
EXAMPLE VALUE | 0.220 | 0.550 | 0.30 | 0.03 | 0.02 | 0.01 | 0.013 | 0.002 | 1.5 |
MECHANICAL PROPERTY:
PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | HEATTREAMENT℃xh | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
GB/T RULES | 390 | 490-670 | AW | - | 18 | ||||
AWS RULES | 390 | 490-670 | AW | - | 22 | ||||
EXAMPLE VALUE | 430 | 590 | AW | - | 25 |
RECOMMENDED WELDING PARAMETERS:
DIAMETERS SPECIFICATIONS(mm) | 2.4 | 2.8 | 3 | ||||
VOLT | 24-32 | 24-35 | 24-35 | ||||
AMP | 260-400 | 280-450 | 280-450 | ||||
LENGTH:MM | 65-70 | 65-70 | 90-95 |
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