Type

Model

Chemical composition

Mechanical prosperities

Usage

SW002

E308L-16
(E308L-16)

"C≤0.04
Mn0.5~2.5
Si≤0.90
Cu≤0.75
Ni9.0~11.0
Cr18.0~21.0
"

Rm≥520MPa
A≥35%

Used for welding ultra-low-carbon Cr19Ni10 stainless steel structures, and also used for 0Cr19Ni11Ti corrosion-resistant stainless steel structures whose working temperature is lower than 300℃. Mainly used for the production of equipment of synthetic fib

SW022

E316L-16
(E316L-16)

"C≤0.04
Mn0.5~2.5
Si≤0.90
Cu≤0.75
Ni11.0~14.0
Cr17.0~20.0
"

Rm≥490MPa
A≥30%

Used for welding equipment of urea, synthetic fiber, etc. and stainless steel structures of the same types, and also used for Cr stainless steel which does not need heat treatment after welding, composite steel, dissimilar steel, etc.

SW022Mo

E317L-16
(E317L-16)

"C≤0.04
Mn0.5~2.5
Si≤0.90
Cu≤0.75
Ni12.0~14.0
Cr18.0~21.0
Mo3.00~4.00
"

Rm≥520MPa
A≥25%

Used for welding ultra-low-carbon 00Cr18Ni12Mo3 stainless steel, and also used for welding Cr stainless steel which does not need heat treatment after welding, composite steel and dissimilar steel.

SW032

E317MoCuL-16

"C≤0.04
Mn0.5~2.5
Si≤0.90
Cu≤2.0
Ni12.0~14.0
Cr18.0~21.0
Mo2.00~2.50
"

Rm≥540MPa
A≥25%

Due to Mo and Cu in the weld metal, it has higher corrosion-resistance in sulphuric acid medium. Used for welding equipment of synthetic fiber, etc. and the same types of low-carbon stainless steel structures working in dilute or medium concentration sulp

SW042

E309MoL-16
(E309MoL-16)

"C≤0.04
Mn0.5~2.5
Si≤0.90
Cu≤0.75
Ni12.0~14.0
Cr22.0~25.0
Mo2.00~3.00

Rm≥540MPa
A≥25%

Used for welding ultra-low-carbon stainless steel materials of the same types (such as urea synthesis tower lining) and dissimilar steel.

SW052

"C≤0.04
Mn≤2.00
Si≤1.00
Cu≤2.0
Ni22.0~27.0
Cr17.0~22.0
Mo4.00~5.50

Rm≥490MPa
A≥25%

Used for welding chemical reactors and separators which resist sulphuric acid, acetic acid and phosphoric acid, and also used for seawater corrosion-resistant steel (00Cr18Ni24Mo5) and dissimilar steel.

SW062

E309L-16
(E309L-16)

C≤0.04
Mn≤0.75
Si≤0.90
Mo2.00-3.00
Cr22.00-25.00
Ni12.00-14.00

Rm≥520MPa
A≥25%

Use for synthetic fiber, petroleum, chemical equipment manufacture with the types of stainless steel structure, composite steel and heterogeneous steel welding of the component

SW101

E308-16
(E308-16)

C≤0.08
Mn0.5~2.5
Si≤0.90
Mo≤0.75
Cr18.0~21.0
Ni9.0~11.0

Rm≥550MPa
A≥35%

Used for welding Cr19Ni9 and Cr19Ni11Ti stainless steel thin plates below 300℃.

SW102

E308-16
(E308-16)

C≤0.08
Mn0.50-2.50
Si≤0.90
Mo≤0.75
Cr18.00-21.00
Ni9.00-11.00

Rm≥550MPa
A≥35%

Used for welding corrosion-resistant stainless steel structures of Cr19Ni,Cr18Ni11Ti under the temperatureof 300℃

SW107

E308-15
(E308-15)

C≤0.08
Mn0.50-2.50
Si≤0.90
Mo≤0.75
Cr18.00-21.00
Ni9.00-11.00

Rm≥550MPa
A≥35%

Temperature is below 300 ℃ welding work corrosion resistant 0Cr19Ni9 stainless steel structure and overlaying welding stainless steel surface layer

SW132

E347-16

C≤0.08
Si≤0.90
Ni9.00-11.00
Nb8xc-1.00
Mn0.50-2.50
Cr18.00-21.00
Mo≤0.75

Rm≥520MPa
A≥25%

Used for welding Cr20Ni11Ti stainless steel structures

SW137

E347-15

C≤0.08
Si≤0.90
Ni9.00-11.00
Nb8xc-1.00
Mn0.50-2.50
Cr18.00-21.00
Mo≤0.75

Rm≥520MPa
A≥25%

Used for welding Cr20Ni11Ti stainless steel structures

SW172

E307-16
(E307-16)

C0.04~0.14
Si≤0.90
Ni9.0~10.7
Mn3.30~4.75
Cr18.0~21.5
Mo0.50~1.50
Cu≤0.75

Rm≥590MPa
A≥30%

Suitable for welding ASTM307 steel and other dissimilar steel, and also used for surfacing welding on impact and corrosion-resistant steel and transition layers, such as high-manganese steel, quenched steel, etc.

SW201

E316-16
(E316-16)

C≤0.08
Si≤0.90
Ni11.0~14.0
Mn0.5~2.5
Cr17.0~20.0
Mo2.00~3.00
Cu≤0.75

Rm≥520MPa
A≥30%

Used for welding 0Cr18Ni12Mo2 stainless steel equipment working in organic acid and mineral acid (non-oxidizing acid) medium, and also used for welding high-chrome steel, which can not be given heat treatment after welding, and dissimilar steel.

SW202

E316-16
(E316-16)

C≤0.08
Si≤0.90
Ni11.00-14.00
Mn0.50-2.50
Cr17.00-20.00
Mo2.00-3.00

Rm≥520MPa
A≥30%

Used for welding Cr17Ni12Mo2 stainless steel, suitable for organic and inorganic acid medium

SW207

E316-15
(E316-15)

C≤0.08
Si≤0.90
Ni11.00-14.00
Mn0.50-2.50
Cr17.00-20.00
Mo2.00-3.00

Rm≥520MPa
A≥30%

Used for low carbon 0Cr18Ni12Mo2 stainless steel structure or high chrome and heterogeneous steel structure.

SW212

E318-16
(E318-16)

C≤0.08
Si≤0.90
Ni11.00-14.00
Mn0.50-2.50
Cr17.00-20.00
Mo2.00-3.00

Rm≥520MPa
A≥30%

Used for welding key 0Cr18Ni12Mo2, 00Cr17Ni14Mo2, etc. stainless steel, such as urea synthesis towers, vinylon equipment, etc., which work in strong corrosive mediums.

SW222

E317MoCu-16

C≤0.08
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr18.0~21.0
Mo2.00~2.50

Rm≥540MPa
A≥25%

Used for welding the same types of stainless steel equipment containing Cu.

SW232

E318V-16

C≤0.08
Si≤0.90
Ni11.00-14.00
Mn0.50-2.50
Cr17.0~20.0
Mo2.00~2.50
V0.3~0.7

Rm≥540MPa
A≥25%

Used for welding heat-resistant and corrosion-resistant Cr19Ni10 and 0Cr18Ni12Mo2 stainless steel structures.

SW237

E318V-15

C≤0.08
Si≤0.90
Ni11.00-14.00
Mn0.50-2.50
Cr17.0~20.0
Mo2.00~2.50
V0.3~0.7

Rm≥540MPa
A≥25%

Used for multi-layer welding on heat-resistant and corrosion-resistant Cr19Ni10 and 0Cr18Ni12Mo2 stainless steel structures.

SW242

E317-16
(E317-16)

C≤0.08
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr18.0~21.0
Mo3.0~4.0

Rm≥550MPa
A≥25%

Used for welding the same types of stainless steel materials, composite steel and dissimilar steel.

SW302

E309-16
(E309-16)

C≤0.15
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr22.00-25.00
Mo≤0.75

Rm≥550MPa
A≥25%

Used for welding Cr19Ni9 and Cr17Ni12Mo2 stainless steel structures.

SW307

E309-15
(E309-15)

C≤0.15
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr22.00-25.00
Mo≤0.75

Rm≥550MPa
A≥25%

Used for welding the same type of stainless steel structure and heterogeneous steel, high chrome, high manganese steel, etc.

SW312

E309Mo-16
(E309Mo-16)

C≤0.12
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr22.00-25.00
Mo2.00-3.00

Rm≥550MPa
A≥25%

Welding sulfuric acid medium resistance (sulfur ammonia) corrosion with the types of stainless steel container and composite steel, heterogeneous steel.

SW312SL

E309Mo-16
(E309Mo-16)

C≤0.12
Si≤0.90
Ni12.00-14.00
Mn0.50-2.50
Cr22.00-25.00
Mo2.00-3.00

Rm≥550MPa
A≥25%

Used for welding the alumetized parts of steel like Q235, 20g, Cr5Mo, etc., and also used for welding dissimilar steel.

SW402

E310-16
(E310-16)

C0.08-0.20
Si≤0.75
Ni20.00-22.50
Mn1.00-2.50
Cr25.00-28.00
Mo≤0.75

Rm≥550MPa
A≥25%

Used for welding same kind of austenitic steel under high temperature. Also can be used for welding Cr5Mo,Cr9Mo,Cr13 stainless steel and different type of steel.

SW407

E310-15
(E310-15)

C0.08-0.20
Si≤0.75
Ni20.00-22.50
Mn1.00-2.50
Cr25.00-28.00
Mo≤0.75

Rm≥550MPa
A≥25%

Used for welding the same types of heat-resistant stainless steel, stainless lining and dissimilar steel, and also used for welding steel with high hardenability, such as Cr5Mo, Cr9Mo, Cr13, Cr28, etc.

SW412

E310Mo-16
(E310Mo-16)

C≤0.12
Si≤0.75
Ni20.00-22.00
Mn1.00-2.50
Cr25.00-28.00
Mo2.00~3.00

Rm≥550MPa
A≥25%

Used for welding heat-resistant stainless steel working under high temperatures, and also used for welding stainless steel lining, dissimilar steel, etc. When welding carbon steel and low-alloy steel with high hardenability, the toughness is extremely exc

SW422

C≤0.20
Si≤1.20
Ni16.0~21.0
Mn5.0~10.0
Cr23.0~27.0
Mo5.0~10.0

Rm≥540MPa
A≥30%

Used for repair welding on Cr25Ni20Si2 austenitic heat-resistant steel coiling drums on Steckel mills, and also used for welding dissimilar steel, etc.

SW502

E16-25MoN-16

C≤0.12
Si≤0.90
Ni22.0~27.0
Mn0.5~2.5
Cr14.0~18.0
Mo5.00~7.00

Rm≥610MPa
A≥30%

Used for welding as-quenched low-alloy and medium-alloy steel, dissimilar steel, structures with higher rigidity and corresponding refractory steel, etc., such as as-quenched 30CrMnSi, stainless steel, carbon steel and dissimilar steel.

SW507

E16-25MoN-15

C≤0.12
Si≤0.90
Ni22.0~27.0
Mn0.5~2.5
Cr14.0~18.0
Mo5.00~7.00

Rm≥610MPa
A≥30%

Used for welding as-quenched low-alloy and medium-alloy steel, dissimilar steel, structures with higher rigidity and corresponding refractory steel, etc., such as as-quenched 30CrMnSi, stainless steel, carbon steel and dissimilar steel, etc.

SW607

E330MoMnWNb-15

C≤0.20
Si≤0.70
Ni33.0~37.0
Mn≤3.50
Cr15.0~17.0
Mo2.00~3.00
W2.00~3.00
Nb1.00~2.00

Rm≥590MPa
A≥25%

Used for welding the same types of stainless steel materials working under high temperatures of 850-900℃, and manifolds and bulged pipes ( such as of Cr20Ni32 and Cr18Ni37 materials) in the reformers.

SW902

E320-16
(E320-16)

C≤0.07
Si≤0.60
Ni32.0~36.0
Mn0.5~2.5
Cr19.0~21.0
Mo2.00~3.00
Cu3.0~4.0

Rm≥550MPa
A≥30%

Used for welding Carpenter20Cb Nickel alloy in corrosive mediums like sulphuric acid, nitric acid, phosphoric acid and oxidizing acid.

SW2209

E2209-16

C≤0.04
Si≤0.90
Ni8.50-10.50
Mn0.50-2.00
Cr21.50-23.50
Mo2.50-3.50

Rm≥690MPa
A≥20%

Used in petrochemical, chemical and other industries with type ultra-low carbon duplex stainless steel welding materials.Such as Cr22Ni5Mo3N.