Type

Model

Chemical composition

Mechanical prosperities

Usage

SW907Cr

E9015-G

C≤0.15
Mn≥1.00
Si≤0.80
Cr0.7~1.10
Mo0.50~1.00

Rm≥880MPa
Rel≥780MPa
A≥12%

Used for welding pressure vessels made of low-alloy high strength steel with tensile strength of about 880MPa and some other structures, such as 14CrMnMoVB, 30CrMo, 35CrMo, etc.

SW857Cr

E8515-G
(E12015-G)

C≤0.15
Mn≥1.00
Si≤0.60
Cr0.7~1.00
Mo0.50~1.00

Rm≥830MPa
Rel≥740MPa
A≥12%
KV2(J)—(normal temperature)

Used for welding pressure vessels made of low-alloy high strength steel with tensile strength of about 880MPa and some other structures, such as 14CrMnMoVB, 30CrMo, 35CrMo, etc.

SW857

E8515-G
(E12015-G)

C≤0.15
Mn≥1.00
Si0.4~0.8
P≤0.035
Mo0.60~1.20

Rm≥830MPa
Rel≥740MPa
A≥12%
KV2(J)—(normal temperature)

Used for welding low-alloy high strength
steel structures with tensile strength of about 830MPa.

SW807

E8015-G

C≤0.09
Mn≤2.00
Si≤0.40
P≤0.030
Mo0.80~1.00

Rm≥780MPa
Rel≥690MPa
A≥13%
KV2(J)≥27(normal temperature)

Mainly used for welding 14MnMoNbB steel and low-alloy high strength steel structures at corresponding strength grade.

SW757Ni

E7515-G
(E11015-G)

C≤0.10
Mn≥1.00
Si≤0.60
Ni2.00~2.60
Mo0.40~0.70

Rm≥740MPa
Rel≥640MPa
A≥13%
KV2(J)≥≥27(-40℃)

Mainly used for steel at corresponding strength grade, such as 14MnMoNbB, WEL-TEN80, etc.

SW757

E7515-G
(E11015-G)

C≤0.20
Mn≥1.00
Si≤0.60
P≤0.030
Mo≤1.00

Rm≥740MPa
Rel≥640MPa
A≥13%
KV2(J)—(normal temperature)

Used for welding low-alloy high strength steel structures with tensile strength of about 740MPa.

SW707RH

E7015-G
(E10015-G)

C≤0.10
Mn1.2~1.6
Si0.3~0.6
Ni1.40~2.00
Mo0.25~0.60
Cr0.08~0.20

Rm≥690MPa
Rel≥590MPa
A≥15%
KV2(J)≥34(-50℃)

Used for welding hull structures, and also used for welding key high strength steel structures with σ0.2≥590MPa.

SW707Ni

E7015-G
(E10015-G)

C≤0.10
Mn≥1.00
Si≤0.60
Ni1.80~2.20
Mo0.40~0.60

Rm≥690MPa
Rel≥590MPa
A≥15%
KV2(J)—(-40℃)

Used for welding low-alloy high strength steel structures at corresponding strength grade, such as 14MnMoVB, WEL-TEN70, HW56 from Japan, etc.

SW707

E7015-D2
(E10015-D2)

C≤0.15
Mn1.65~2.00
Si≤0.60
P≤0.035
Mo0.25~0.45

Rm≥690MPa
Rel≥590MPa
A≥15%
KV2(J)≥27(-30℃)

Mainly used for welding low-alloy steel structures with corresponding strength. Some after-welding structures like 15MnMoV, 14MnMoVB, 18MnMoNb, etc. can work under as-welded or tempering (550-650℃) conditions.

SW607RH

E6015-G

C≤0.10
Mn≥1.00
Si≤0.80
Ni0.65~1.20
Mo0.10~0.40

Rm≥610MPa
Rel≥490MPa
A≥17%
KV2(J)≥47(-40℃)

Used for welding key structures like pressure vessels, bridges, downcomers of hydro-electric stations, ocean engineering, etc., and able to match with CF60 (62) steel very well.

SW607

E6015-D1
(E9015-D1)

C≤0.12
Mn1.25~1.75
Si≤0.60
P≤0.035
Mo0.25~0.45

Rm≥590MPa
Rel≥490MPa
A≥15%
KV2(J)≥27(-30℃)

Used for welding medium-carbon steel and low-alloy high strength steel structures with corresponding strength, such as 15MnVN, etc.

SW606

E6016-D1
(E9016-D1)

C≤0.12
Mn1.25-1.75
Si≤0.60
Mo0.25-0.45

Rm≥590MPa
Rel≥490MPa
A≥15%
AKv≥27J(-30℃)

For welding medium carbon steel and low-alloy steel structures with appropriate strength

SW606RH

E6016-G

C≤0.10
Mn≥1.00
Si≤0.80
Mo0.10~0.40

Rm≥610MPa
Rel≥490MPa
A≥17%
AKv≥47(-40℃)

Used for welding key structures like pressure vessels, bridges, downcomers of hydro-electric stations, ocean engineering, etc., and able to match with CF60 (62) steel very well.

SW557

E5515-G
(E8015-G)

C≤0.12
Mn≥1.00
Si0.3~0.7
P≤0.035

Rm≥540MPa
Rel≥440MPa
A≥17%
AKv≥27(-30℃)

Suitable for welding medium-carbon steel and low-alloy steel structures like 15MnTi, 15MnV, etc.

SW556RH

E5516-G
(E8016-G)

C≤0.12
Mn≥1.00
Si≤0.7
P≤0.035
Ni≤0.85

Rm≥540MPa
Rel≥440MPa
A≥17%
KV2(J)≥34(-40℃)

Suitable for welding key low-alloy steel structures like pressure vessels, offshore oil platforms, ships, etc.

SW556

E5516-G
(E8016-G)

C≤0.12
Mn≥1.00
Si0.3~0.7
P≤0.035

Rm≥540MPa
Rel≥440MPa
A≥17%
KV2(J)≥27(-30℃)

Suitable for welding medium-carbon steel and low-alloy steel structures like 15MnTi, 15MnV, etc.

SW555

E5511-G
(E8011-G)

C≤0.20
Mn≥1.00
Si≤0.50
P≤0.035

Rm≥540MPa
Rel≥440MPa
A≥17%
KV2(J)≥27(-30℃)

Used for vertical downward butt welding of circumferential seam on low-alloy steel pipes or vertical downward welding on structures at corresponding strength grade.

SW507RH

E5015-G
(E7015-G)

C≤0.10
Mn≤1.60
Si≤0.50
P≤0.025
Ni0.35~0.80

Rm≥490MPa
Rel≥410MPa
A≥22%
KV2(J)≥34(-40℃)

Suitable for welding key low-alloy steel structures like E36, D36, A537 and so on, such as ocean platforms, ships, pressure vessels, etc.

SW507R

E5015-G
(E7015-G)

C≤0.10
Mn≤1.50
Si≤0.50
P≤0.030
Ni≤0.70

Rm≥490MPa
Rel≥390MPa
A≥22%
KV2(J)≥47(-40℃)

Suitable for welding low temperature high toughness materials, such as some key structures like oil production platforms, ships, high pressure vessels, etc.

SW507NiTiB

E5015-G
(E7015-G)

C≤0.12
Mn≤1.60
Si≤0.60
P≤0.025
Ni0.35~0.65
Ti0.02~0.04

Rm≥490MPa
Rel≥410MPa
A≥24%
KV2(J)≥47(-40℃)

Used for welding ships, boilers, mine construction machinery, ocean engineering structures and other key structures.

SW507Ni

E5015-G
(E7015-G)

C≤0.08
Mn0.8~1.3
Si≤0.5
P≤0.030
Ni1.20~2.00

Rm≥490MPa
Rel≥390MPa
A≥22%
KV2(J)≥53(-40℃))

Suitable for welding medium-carbon and low-carbon pressure vessels, such as 16MnDR, etc.

SW507FeNi

E5018-G
(E7018-G)

C≤0.08
Mn0.8~1.3
Si≤0.5
P≤0.030
Ni1.20~2.00

Rm≥490MPa
Rel≥390MPa
A≥22%
KV2(J)≥53(-40℃))

Suitable for welding medium-carbon and low-carbon pressure vessels, such as 16MnDR, etc.

SW506R

E5016-G
(E7016-G)

C≤0.10
Mn1.00-1.50
Si≤0.50
Ni0.45-0.80

Rm≥490MPa
Rel≥390MPa
A≥22%
AKv≥47J(-40℃)

Suitable for welding utmost key structures like platform and high-pressures containers

SW506RH

E5016-G
(E7016-G)

C≤0.10
Mn≤1.60
Si≤0.50
Ni0.35-0.80

Rm≥490MPa
Rel≥410MPa
A≥22%
AKv≥34(-40℃)

Suitable for welding key low-alloy steel structures like E36, D36, A537 and so on, such as ocean platforms, ships, pressure vessels, etc.

SW506NiCu

E5016-G

C≤0.12
Mn≤1.25
Si≤0.70
Cu0.20-0.40
Ni0.20-0.50

Rm≥490MPa
Rel≥390MPa
A≥22%
AKv≥27J(-40℃)

Suitable for welding carbon steel and 50kg grade atmospheric corrosion-resistant steel.

SW107Cr

E10015-G

C≤0.15
Mn≥1.00
Si0.3~0.7
Cr1.50~2.20
P≤0.035
Mo0.40~0.80

Rm≥980MPa
Rel≥880MPa
A≥12%
KV2(J)—(normal temperature)

Suitable for welding low-alloy high strength steel structures with tensile strength of over 980MPa, such as 30CrMnSi, 35CrMo, etc.

SW107

E10015-G

C≤0.20
Mn≥1.00
Si0.3~0.8
P≤0.035
Mo0.30~0.60

Rm≥980MPa
Rel≥880MPa
A≥12%
KV2(J)—(normal temperature)

Suitable for welding low-alloy high strength steel structures with tensile strength of about 980MPa.

SW502NiCu

E5003-G

C≤0.12
Mn0.30-0.90
Si≤0.40
Cu0.20-0.50
Ni0.20-0.50

Rm≥535MPa
Rel≥420MPa
A≥27%
AKv≥36J(-40℃)

Suitable for welding atmospheric corrosion-resistant steel such as tracks,vehicles.