Type

Model

Chemical composition

Mechanical prosperities

Usage

SW907Ni

E5515-C2
(E8015-C2)

C≤0.12
Mn≤1.25
Si≤0.60
P≤0.035
Ni3.00~3.75

Rm≥540MPa
Rel≥440MPa
A≥17%
KV2(J)≥27(-90℃)

Used for welding 3.5Ni low temperature low-alloy steel structures under 90℃.

SW807

E5515-G

C≤0.07
Mn1.1~1.4
Si≤0.50
P≤0.035
Ni1.20~1.60

Rm≥540MPa
Rel≥440MPa
A≥22%
KV2(J)≥27(-80℃)

Used for welding 1.5Ni steel structures under -80℃

SW707Ni

E5515-C1
(E8015-C1)

C≤0.12
Mn≤1.25
Si≤0.60
P≤0.035
Ni2.00~2.75

Rm≥540MPa
Rel≥440MPa
A≥17%
KV2(J)≥27(-70℃)

Used for welding low temperature steel structures under -70℃, such as 09Mn2V, 06MnVAl, 3.5Ni, etc.

SW707

C≤0.10
Mn≈2.0
Si≈0.2
P≤0.035
Cu≈0.7

Rm≥490MPa
A≥18%
KV2(J)≥27(-70℃)

Used for welding low temperature steel structures under -70℃, such as 09Mn2V, 09MnTiCuRe, etc.

SW607

E5015-G

C≤0.07
Mn1.2~1.7
Si≤0.50
P≤0.035
Ni0.60~1.00

Rm≥490MPa
Rel≥390MPa
A≥22%
KV2(J)≥27(-60℃)

Used for welding low temperature steel structures under -60℃, such as 13MnSi63, 09MnNiNb, E36, etc.

SW107Ni

C≤0.08
Mn≈0.50
Si≤0.30
P≤0.020
Ni4.00~5.50
Mo≈0.30

Rm≥490MPa
Rel≥390MPa
A≥16%
KV2(J)≥27(-100℃)

Used for welding steel structures like 06AlNbCuN, 06MnNb and 3.5Ni.