High Carbon steels Flux cored wire E71T-8 Soldering makings
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 3 T8-1 N A , AWS A5.20 E71T-8 & A5.20M E491T-8, ISO17632-A:T42 3 Y NO 1, ISO 17632B:T49 3 T8-1 NO A, JIS Z3313 T493T8-1NA.
What are the
characieristics?
●The melting drop is fine melting drop transition or spray transition.
●With good penetration depth.
●Good wetting degree and fast melting filling speed.
●The weld metal has excellent low temperature toughness and crack resistance.
Product Parameter
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 | 0.170 | 0.550 | 0.20 | 0.01 | 0.01 | 0.01 | 0.012 | 0.005 | 0.7 |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | HEATTREAMENT℃xh | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
| GB/T RULES | 390 | 490-670 | AW | 27/-30 | 18 | ||||
| AWS RULES | 390 | 490-670 | AW | 27/-30 | 22 | ||||
| EXAMPLE VALUE | 460 | 555 | AW | 60/-30 | 26 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 1.6 | 2 | |||
| VOLT | 17-20 | 17-24 | |||
| AMP | 180-230 | 180-370 | |||
| MM | 20-30 | 20-30 |
Look at the way
we transport
●Motor transport
●Shipping
Look at
our warenouse
The projects
we are involve in
●Mei Jin Hua Sheng glycol synthetic tower
●Zhejiang Petrochemical diesel/crude oil storage tank
Our products
to the world
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 | 0.170 | 0.550 | 0.20 | 0.01 | 0.01 | 0.01 | 0.012 | 0.005 | 0.7 |
MECHANICAL PROPERTY:
| PROPERTY | YIELD STRENGTH(MPa) | EXTENSION STRENGTH(MPa) | HEATTREAMENT℃xh | IMAPACT VALUE J/℃ | ELONGATION(%) | ||||
| GB/T RULES | 390 | 490-670 | AW | 27/-30 | 18 | ||||
| AWS RULES | 390 | 490-670 | AW | 27/-30 | 22 | ||||
| EXAMPLE VALUE | 460 | 555 | AW | 60/-30 | 26 | ||||
RECOMMENDED WELDING PARAMETERS:
| DIAMETERS SPECIFICATIONS(mm) | 1.6 | 2 | |||
| VOLT | 17-20 | 17-24 | |||
| AMP | 180-230 | 180-370 | |||
| MM | 20-30 | 20-30 |
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