Standard AWS

Chemical Composition of Deposit Metal

Characteristics & Application

EC1

C 2.0-4.0 Si 2.5-6.5 Mn≤0.75
S≤0.10 P≤0.15

Welding of general grey iron parts

ENi-C1

C≤2.00 Si≤2.50 Mn≤1.00
S≤0.03 Ni≥90 Fe≤8
The rest ≤1.00

Welding of important grey iron parts and machining surface

ENiFe-C1

C≤2.00 Si≤2.50 Mn≤1.8
S≤0.03 Ni 45-60
The rest ≤1.00

Welding of important high tensile grey iron parts and nodular cast iron parts

ENiCu-B

C≤1.00 Si≤0.80 Mn≤2.50
S≤0.025 Ni60-70 Cu 24-35
The rest ≤1.00

Used for repair welding grey cast irion with lower hardness

Standard
(AWS)

Chemical Composition of Deposit Metal

Mechanical Performance of Deposit Metal

Characteristics & Application

ER70S-G

C 0.06-0.15
Si 0.55-1.10
Mn 1.40-1.85
S≤0.035
P≤0.025
Cu≤0.50

Rm≥490Mpa
Rel≥390Mpa
A≥22%

For welding low carbon steel and some key structures of low-alloy steel

ER70S-6

C 0.06-0.15
Mn 1.40-1.85
Ni≤0.30
Cr≤0.20
Si 0.80-1.15

Rm≥500Mpa
Rel≥420Mpa
A≥22%
AKV≥27J(0℃)

For welding low carbon steel and low-alloy steel structures with flux HJ430 , HJ431, HJ230 , HJ330

Standard
AWS

Chemical Composition of Deposit Metal

Mechanical Performance of Deposit Metal

Characteristics &
Application

E6013

C≤0.12
Mn 0.30-0.60
Si≤0.35

Rm≥420Mpa
Rel≥330Mpa
A≥17% AKV≥27J(0℃)

For welding low carbon steel light-guage sheet structures

E6016

C≤0.12
Mn≤1.25
Si≤0.90

Rm≥420Mpa
Rel≥330Mpa
A≥22% AKV≥27J(-30℃)

Suitable for cosmetic welding of key structures of low carbon steel and low-alloy steel

E7014

C≤0.12
Mn≤1.25
Si≤0.90

Rm≥420Mpa
Rel≥330Mpa
A≥17% AKV≥27J(-30℃)

Suitable for welding low steel and low-alloy stell such as ships,vehicles and general machinery

E7016

C≤0.12
Mn≤1.60
Si≤0.75

Rm≥490Mpa
Rel≥400Mpa
A≥22% AKV≥27J(-30℃)

For welding medium carbon steel structures and some key structures of low-alloy stell like 16Mn etc

E7018

C≤0.12
Mn≤1.60
Si≤0.75

Rm≥490Mpa
Rel≥400Mpa
A≥22% AKV≥27J(-30℃)

High efficient welding electrodes for welding low-alloy steel structures

E7015

C≤0.12
Mn≤1.60
Si≤0.75

Rm≥490Mpa
Rel≥400Mpa
A≥22% AKV≥27J(-30℃)

Suitable for welding key structures for medium carbon steel and 16Mn low-alloy steel structures

Standard
(AWS)

Chemical Composition of Deposit Metal

Mechanical Performance of Deposit Metal

Characteristics & Application

EL8

C≤0.10
Mn 0.35-0.60
Ni≤0.30
Cr≤0.20

Rm 410-550Mpa
Rel≥330Mpa
A≥22%
AKV≥27J(0℃)

For welding low carbon steel and some low-alloy steel (16Mn) structures with flux HJ430, HJ431, HJ433

EL8

C≤0.10
Mn 0.35-0.60
Ni≤0.30
Cr≤0.20

Rm 410-550Mpa
Rel≥330Mpa
A≥22%
AKV≥27J(0℃)

Welding of general carbon steel structures with suitable fluxes

EM12

C≤0.10
Mn 0.80-1.10
Ni≤0.30
Cr≤0.20

Rm 410-550Mpa
Rel≥330Mpa
A≥22%
AKV≥27J(0℃)

For welding low carbon steel and low-alloy steel structures with flux HJ430, HJ431, HJ230, HJ330

EH14

C≤0.12
Mn 1.50-1.90
Ni≤0.30
Cr≤0.20

Rm 500-600Mpa
Rel≥400Mpa
A≥22%

Welding of 500N/mm2 high tensile steel with suitable fluxes

EM13K

C≤0.14
Si 0.60-0.80
Mn 0.80-1.10
Ni≤0.30 Cr≤0.20 Cu≤0.35

Rm 500-600Mpa
Rel≥400Mpa
A≥22%
AKV≥27J(0℃)

Welding of 500N/mm2 high tensile steel with suitable fluxes

Standard
(AWS)

Chemical Composition of Deposit Meal

Mechanical Performance of Deposit Metal

Characteristics & Application

E304

C≤0.08 Mn 0.50-2.0 Si≤1.00
Cr 12.0-20.0 Ni 8.0-10.5

Rm≥450Mpa
A≥20%

Welding of similar type stainless stess s, dissimilar stees, high Chromium steels & austentic managanese steels and etc

E316

C≤0.08 Mn 0.50-2.5 Si≤0.90
Cr 17.0-20.0 Ni 11.0-14.0
Mo 2.0-3.0

Rm≥520Mpa
A≥30%

Used for welding 0Cr17Ni12Mo2 nstainless steel structures, which suitable for orgainc and inorgantic acid medium

E316L

C≤0.04 Mn 0.50-2.5 Si≤0.90
Cr 17.0-20.0 Ni 11.0-14.0
Mo 2.0-3.0

Rm≥490Mpa
A≥30%

Suitable for welding of similar steel and joining 0Cr18Ni8Nb or 0Cr18Ni8Ti with carbon steel, maily for making equipment for synthetic fibres, fertilizer and oil

E316LMo

C≤0.04 Mn 0.50-2.5 Si≤0.90
Cr 17.0-20.0 Ni 11.0-14.0
Mo 3.0-3.5

Rm≥550Mpa
A≥35%

Used for welding similar stainless steel linings, compound steels and dissimilar steels which are of resistance to corrosion of sulfuric acid

E317

C≤0.08 Mn 0.50-2.5 Si≤0.90
Cr 18.0-21.0 Ni 9.0-11.0

Rm≥550Mpa
A≥35%

Used for welding corrosion-resisitant stainless steel structures of 0Cr19Ni9, 0Cr18Ni11Ti under the temperature of 300℃

E310

C≤0.08 Mn 0.50-2.5 Si≤0.80
Cr 25.0-28.0 Ni 20.0-22.5
Mo 2.5-3.5

Rm≥550Mpa
A≥25%

Used for welding heat-resistant stainless steel 0Cr26Ni21, Cr steel and different type of steel under high temperature

E312

C≤0.12 Mn 0.50-2.5 Si≤0.90
Cr 28.0-32.0 Ni 8.0-10.5
Mo≤0.75

Rm≥550Mpa
A≥25%

Two phases stainless steel electrode, excellent crack-resistance, used fro high carbon steel tools steel and different type of steel