JC-28 Self-shielded Flux-cored Welding Wire

JC-28 Self-shielded Flux-cored Welding Wire

JC-28
GB：E501T-8
AWS：E71T-8
Current：JC-28 is mainly used for welding bridges, oil production platforms, hulls and their stiffening ribs.
Main Applications：

JC-28

According with GB E501T-8
Corresponding with AWS E71T-8


Introduction: JC-28 is a kind of carbon 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.


Uses: JC-28 is mainly used for welding bridges, oil production platforms, hulls and their stiffening ribs.


Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Ni
Al
Guarantee Value
≤0.15
≤1.75
≤0.60
≤0.03
≤0.03
≤0.50
≤1.8

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReL或Rp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
≥480
≥400
≥22
≥27(-30℃)
General Result
500～530
≥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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