Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao

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Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao Detail:

Rutile Type Electrode
ISO 2560-B-E4303 A
GB/T 5117 E4303

 

APPLICATIONS:

Used for welding important low-carbon steel structures and low-alloy steel structures with low strength grades, such as Q235, 09MnV, 09Mn2, and etc.

CHARACTERISTICS:

J422 is a rutile type electrode. Can be welding by both AC & DC power source and can be for all-position. It have excellent welding performance as stable arc, little spatter, easy slag removal and reignition-ability etc.

ATTENTION:

In generally, don’t need to re-dry the electrode before welding. When it be affected with damp, should be re-dry it at 150℃-170℃ for 0.5-1 hour.

WELDING POSITIONS:

PA, PB, PC, PD, PE, PF

X-ray flaw detection: Ⅱ level

DEPOSIT COMPOSITION (Quality Score):  %

Items

C

Mn

Si

S

P

Ni

Cr

Mo

V

Requirements

≤0.10

0.32-0.55

≤0.30

≤0.030

≤0.035

≤0.30

≤0.20

≤0.30

≤0.08

Typical Results

0.08

0.37

0.14

0.018

0.022

0.030

0.035

0.005

0.004

MECHANICAL PROPERTIES:

Items

Tensile Strength

Rm/MPa

Yield Strength Rel/Rp0.2   MPa

Elongation A/%

Charpy V-Notch

KV2(J)0℃

Requirements

430-560

≥330

≥22

≥47

Typical Results

480

420

28

80

TYPICAL OPERATING PROCEDURES: (AC,DC)

Diameter (mm)

2.0

2.5

3.2

4.0

5.0

Current (A)

40-70

60-90

90-140

160-210

220-270

 

PACKAGING:

5kgs/box, 4boxes/carton, 20kgs/carton, 50cartons/pallet. 21-26MT per 1X20″ FCL.

OEM/ODM:

We support OEM/ODM and could make packaging according to your design, please contact us for detail discussion.

 

 

Shijiazhuang Tianqiao Welding Materials Co., Ltd was founded in 2007. As professional welding electrode manufacturer, we have strong technical force, complete product testing equipment so that we can keep stable product quality. Our products include kinds of welding electrodes with the brand of “Yuanqiao”, “Changshan”, such as low carbon steel, Iow alIoy steel, heat-resistant steels, low temperature steel, stainless steel, cast iron, hard surfacing welding electrodes and various mixed welding powder.

The products are widely used in various national economic fields, such as machinery, metallurgy, petroleum chemical industry, boiler, pressure vessel, the ships, the buildings, s, and so on, The products are sold to all over the country, and well received by the vast users. Our products have excellent performance, stable quality, elegant welding molding, and good slag removal, good ability to resist rust, Stomata and crack, good and stable deposited metal mechanics performance. Our products are one hundred percent exported and have sold world widely, mainly to US, Europe, South America, Australia, Africa, Middle East, Southeast Asia and etc. Our products meet customers’ warm welcome due to the excellent quality, outstanding performance and competitive price.


Product detail pictures:

Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao detail pictures

Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao detail pictures

Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao detail pictures

Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao detail pictures


Related Product Guide:
The composition of the welding electrode

We attempt for excellence, company the customers, hopes to be the top cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for Best-Selling J421 Welding Electrodes - Mild Steel Welding Electrode J422 E4303 – Tianqiao, The product will supply to all over the world, such as: Russia, Doha, Canada, We hope to have long-term cooperation relationships with our clients. If you are interested in any of our products, please do not hesitate to send enquiry to us/company name. We ensure that you can be totally satisfied with our best solutions!

  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Elaine from Chile - 2018.02.08 16:45
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Alberta from Tajikistan - 2018.06.30 17:29

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