Low-alloy steels Flux cored wire E71T-7 Soldering accessories
Application
Suitable for civil construction, steel frame, steel pipe hook, chimney, pipe and other structural parts of outdoor welding.
The standard we met: GB/T10045 T 49 Z T7-1 N A , AWS A5.20 E71T-A & A5.20M E491T-7, ISO17632-A:T42 Z Y NO 1, ISO 17632-B:T49 Z T7-1 NO A,JIS Z3313 T49ZT7-1NA.
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 | 0.60 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 1.80 |
| EXAMPLE VALUE | 0.250 | 0.500 | 0.10 | 0.02 | 0.01 | 0.01 | 0.01 | 0.003 | 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 | 432 | 600 | AW | - | 27 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 1.6 | 2 | 2.4 | ||||
| VOLT | 22-30 | 24-30 | 26-34 | ||||
| AMP | 160-300 | 200-350 | 250-400 | ||||
| LENGTH:MM | 20-30 | 25-35 | 30-40 |
Peculiarity
The melting drop is fine melting drop transition or spray transition, with good penetration depth, good wetting degree and fast melting filling speed.
Low sulfur content of weld metal, good crack resistance.
Small diameter welding wire can be used for full position welding.
Show details
Low sulfur content
Good crack resistance
About us
Factory fioor display
Application case
Shandong Nuclear power CV20
210,000 tons Newcastle type bulk carrier
Actual factory shooting
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 | 0.60 | 0.20 | 0.50 | 0.30 | 0.030 | 0.030 | 1.80 |
| EXAMPLE VALUE | 0.250 | 0.500 | 0.10 | 0.02 | 0.01 | 0.01 | 0.01 | 0.003 | 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 | 432 | 600 | AW | - | 27 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 1.6 | 2 | 2.4 | ||||
| VOLT | 22-30 | 24-30 | 26-34 | ||||
| AMP | 160-300 | 200-350 | 250-400 | ||||
| LENGTH:MM | 20-30 | 25-35 | 30-40 |
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