JC-29 Self-shielded Flux-cored Welding Wire

JC-29 Self-shielded Flux-cored Welding Wire

JC-29
GB：E501T8-K6
AWS：E71T8-K6
Current：JC-29 is especially suitable for site welding on API X52 to X65 oil and gas pipelines highly requiring low temperature toughness.
Main Applications：

JC-29

According with GB/T 17493-1998 E501T8-K6
Corresponding with AWS A5.29-2005 E71T8-K6


Introduction: JC-29 is a kind of low-alloy steel self-shielded flux-cored welding wire, which needs no shielding gas. The weld has excellent low temperature toughness. It has high deposition efficiency. The arc has strong penetration power with spurting appearance. It has easy operation, beautiful appearance of weld and good slag detachability. DCSP (Direct Current Straight Polarity). Suitable for all-position welding. Due to the fast concreting speed of slags, it is especially suitable for vertical downward welding.


Uses: JC-29 is especially suitable for site welding on API X52 to X65 oil and gas pipelines highly requiring low temperature toughness.


Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Ni
Al
Guarantee Value
≤0.15
0.50～1.50
≤0.80
≤0.03
≤0.03
0.40～1.10
≤1.8

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReL或Rp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
490~620
≥400
≥20
≥27(-30℃)
General Result
520~540
≥410
≥26
130~170

Reference Current (DC-)
Wire Diameter(mm) Welding Current(A) Welding Voltage(V) Wire Feed Rate(in/min)
φ1.6 150～250 17～20 60～100
φ2.0 180～250 18～20 60～110

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