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Welding Rods For Carbon Steel
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Welding Rods For Carbon Steel 

Type

Model
GB

Chemical composition(%)

Mechanical propertise

C

Mn

Si

S

P

other

Rel/Rp0.2 MPa

Rm
MPa

A
%

A KV
J

J421

E4313

0.10

0.32/0.55

0.30

0.035

0.04

-

330

420

17

0℃
27

THJ422

E4303

0.10

0.32/0.55

0.25

0.035

0.040

-

330

420

22

0℃
27

THJ422GM

E4303

0.10

0.32/0.55

0.25

0.035

0.040

-

330

420

22

0℃
27

THJ423

E4301

0.10

0.32/0.55

0.30

0.035

0.040

-

330

420

22

-20℃
27

THJ426

E4316

0.10

1.25

0.90

0.035

0.040

330

420

22

-30 ℃
27

THJ502

E5003

0.10

0.50/1.25

0.30

0.035

0.040

-

400

490

20

0 ℃
27

THJ506

E5016

0.10

1.60

0.75

0.035

0.040

-

400

490

22

-30 ℃
27

THJ506D

E5016

0.10

1.60

0.75

0.035

0.040

-

400

490

22

-30 ℃
27

THJ506Fe

E5018

0.10

1.60

0.75

0.035

0.040

-

400

490

22

-30 ℃
27

THJ507

E5015

0.10

1.60

0.75

0.035

0.040

-

400

490

22

-30℃
27

 

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