Type

Model

Chemical composition

Mechanical prosperities

Usage

SW.H00Cr19Ni12Mo2

ER316L
(ER316L)

C≤0.03
Mn1.00-2.50
Si≤0.60
Mo2.00-3.00
Cr18.00-20.00
Ni11.00-14.00

Used for welding ultra-low-carbon Cr19Ni12Mo2 stainless steel structures.

SW.H00Cr21Ni10

ER308L
(ER308L)

C≤0.03
Mn1.00-2.50
Si≤0.60
Cr19.50-22.00
Ni9.00-11.00

Used for welding ultra-low-carbon Cr19Ni10 stainless steel structures.

SW.H0Cr19Ni12Mo2

ER316
(ER316)

C≤0.08
Mn1.00-2.50
Si≤0.60
Cr18.00-20.00
Ni11.00-14.00
Mo2.00-3.00

Used for welding Cr18Ni12Mo stainless steel structures.

SW.H0Cr20Ni10Ti

ER321
(ER321)

C≤0.06
Mn1.00-2.50
Si≤0.60
Cr18.50-20.50
Ni9.00-10.50
Ti and Other ElementsTi 9XC%-1.00

Used for welding Cr19Ni9Ti stainless steel structures.

SW.H0Cr21Ni10

ER308
(ER308)

C≤0.06
Mn1.00-2.50
Si≤0.60
Cr19.50-22.00
Ni9.00-11.00

Used for welding Cr19Ni9 stainless steel structures.

SW.H1Cr24Ni13

ER309
(ER309)

C≤0.12
Mn1.00-2.50
Si≤0.60
Cr23.00-25.00
Ni12.00-14.00

Used for welding Cr24Ni13 stainless steel structures.

SW.TG50

ER50-6
(ER50-6)

C0.06-0.15
Mn1.40-1.85
Si0.80-1.15
Cu≤0.50

Rm≥490MPa
ReL≥420MPa
A≥22%
KV2(J)≥27(-30℃)

Used for all-position manual tungsten argon arc backing weld and arc welding on pipelines, and both can produce satisfactory welded joints. Able to be used for welding carbon steel and some low-alloy steel.