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What types of stainless steel electrodes are there? What are the purposes?

Jul.20,2016

Stainless steel welding rod has two kinds of basic medicine skin and acid medicine skin. Alkaline medicine skin types of stainless steel electrode with stomatal sensitivity to small, alloy composition stability and excellent mechanical properties and welding performance characteristics; acidic drug skin type stainless steel electrode with drug Pinai redness of the and excellent mechanical properties and welding performance.

Type and selection of stainless steel welding rod

(1) model of stainless steel welding rod

According to the provisions of GB/T983 - 1995 "stainless steel welding rod", the type of stainless steel welding rod according to the chemical composition of deposited metal, the type of the medicine, the welding position and the type of welding current. The model establishment method is: first letter "e", said electrode, the "e" behind the digital said deposited metal chemical composition classification code, if there are special requirements for the chemical composition, the chemical composition of the element symbols said, put it in the back of the digital; dash "-" behind the two digit said drug skin type, welding position and welding current type.

(2) stainless steel electrodes

Grade plus "G" (or "Chrome" word) or "A" (or "Austrian"), respectively, said the chromium stainless steel electrode or austenitic chromium nickel stainless steel electrode.

The first number of grades, the main chemical composition of deposited metal composition grade, see table 10-2.

Grade second digits, which represents the different grades of the grade of the main chemical composition of the same deposited metal. The same composition of the welding rod, there are 10 grades, according to 0, 1, 2,... 9, in order to distinguish other ingredients except CR.

The grade third digits, said coating type and welding power supply

(3) the choice of stainless steel electrode

The application of stainless steel electrode on the chromium content is greater than 10.50%, nickel content was less than 50% of the resistant corrosion of steel and heat resistant steel welding, use should according to the material of stainless steel, working conditions (including temperature and contact media) to choose. Mainly from the following aspects to consider:

Heat resistant stainless steel working in high temperature environment, the selection of welding rod is mainly to meet the thermal crack resistance of the weld metal and the high temperature performance of the welded joint. For the CR / Ni is more than or equal to 1 of the austenitic heat resistance steel, such as 1Cr18Ni9Ti and Cr17Ni13W, generally are the Austenitic - ferritic stainless steel electrode; if the CR / Ni < 1 stable austenitic heat resistant steel, such as Cr16Ni25Mo6 Cr15Ni25W4Ti2, the general should be to ensure weld metal and base metal chemical composition is broadly similar to that in weld metal Mo, W, Mn element content increased. In order to improve the crack resistance of weld metal.

Corrosion resistant stainless steel working in a variety of corrosive media, should be based on the medium and operating temperature to select the electrode. For operating temperature above 3000C, strong corrosive medium, choose containing Ti or Nb stabilizing elements or super low carbon stainless steel electrode; for containing dilute sulfuric acid or hydrochloric acid medium, are often used in stainless steel welding rod containing Mo and Cu containing Mo or; to work at room temperature, corrosive or weak only in order to avoid the pollution of corrosion of equipment, which did not contain Ti or Nb stainless steel electrode.

For chromium stainless steel, such as martensitic stainless steel 1Cr13, ferritic stainless steel 1Cr17Ti, in order to improve the plasticity of welded joints, the use of chromium nickel austenitic stainless steel electrode.


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HomeNews

What types of stainless steel electrodes are there? What are the purposes?

Jul.20,2016

Stainless steel welding rod has two kinds of basic medicine skin and acid medicine skin. Alkaline medicine skin types of stainless steel electrode with stomatal sensitivity to small, alloy composition stability and excellent mechanical properties and welding performance characteristics; acidic drug skin type stainless steel electrode with drug Pinai redness of the and excellent mechanical properties and welding performance.

Type and selection of stainless steel welding rod

(1) model of stainless steel welding rod

According to the provisions of GB/T983 - 1995 "stainless steel welding rod", the type of stainless steel welding rod according to the chemical composition of deposited metal, the type of the medicine, the welding position and the type of welding current. The model establishment method is: first letter "e", said electrode, the "e" behind the digital said deposited metal chemical composition classification code, if there are special requirements for the chemical composition, the chemical composition of the element symbols said, put it in the back of the digital; dash "-" behind the two digit said drug skin type, welding position and welding current type.

(2) stainless steel electrodes

Grade plus "G" (or "Chrome" word) or "A" (or "Austrian"), respectively, said the chromium stainless steel electrode or austenitic chromium nickel stainless steel electrode.

The first number of grades, the main chemical composition of deposited metal composition grade, see table 10-2.

Grade second digits, which represents the different grades of the grade of the main chemical composition of the same deposited metal. The same composition of the welding rod, there are 10 grades, according to 0, 1, 2,... 9, in order to distinguish other ingredients except CR.

The grade third digits, said coating type and welding power supply

(3) the choice of stainless steel electrode

The application of stainless steel electrode on the chromium content is greater than 10.50%, nickel content was less than 50% of the resistant corrosion of steel and heat resistant steel welding, use should according to the material of stainless steel, working conditions (including temperature and contact media) to choose. Mainly from the following aspects to consider:

Heat resistant stainless steel working in high temperature environment, the selection of welding rod is mainly to meet the thermal crack resistance of the weld metal and the high temperature performance of the welded joint. For the CR / Ni is more than or equal to 1 of the austenitic heat resistance steel, such as 1Cr18Ni9Ti and Cr17Ni13W, generally are the Austenitic - ferritic stainless steel electrode; if the CR / Ni < 1 stable austenitic heat resistant steel, such as Cr16Ni25Mo6 Cr15Ni25W4Ti2, the general should be to ensure weld metal and base metal chemical composition is broadly similar to that in weld metal Mo, W, Mn element content increased. In order to improve the crack resistance of weld metal.

Corrosion resistant stainless steel working in a variety of corrosive media, should be based on the medium and operating temperature to select the electrode. For operating temperature above 3000C, strong corrosive medium, choose containing Ti or Nb stabilizing elements or super low carbon stainless steel electrode; for containing dilute sulfuric acid or hydrochloric acid medium, are often used in stainless steel welding rod containing Mo and Cu containing Mo or; to work at room temperature, corrosive or weak only in order to avoid the pollution of corrosion of equipment, which did not contain Ti or Nb stainless steel electrode.

For chromium stainless steel, such as martensitic stainless steel 1Cr13, ferritic stainless steel 1Cr17Ti, in order to improve the plasticity of welded joints, the use of chromium nickel austenitic stainless steel electrode.


Previous: Wear-resistant electrode defect

Next: Stainless steel welding rod use matters needing attention

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+86 133 6380 3091

manager@hbaining.com

No.313 East Of Heping Road,Shijiazhuang,China

Copyright © Hebei Aining Welding Consumable Co., Ltd.

All Rights Reserved. Technical Support: Reanod.

Welding Consumable Supplier

E-mail: manager@hbaining.com

Home Products Quality Control News About Us Contact Us
HomeNews

What types of stainless steel electrodes are there? What are the purposes?

Jul.20,2016

Stainless steel welding rod has two kinds of basic medicine skin and acid medicine skin. Alkaline medicine skin types of stainless steel electrode with stomatal sensitivity to small, alloy composition stability and excellent mechanical properties and welding performance characteristics; acidic drug skin type stainless steel electrode with drug Pinai redness of the and excellent mechanical properties and welding performance.

Type and selection of stainless steel welding rod

(1) model of stainless steel welding rod

According to the provisions of GB/T983 - 1995 "stainless steel welding rod", the type of stainless steel welding rod according to the chemical composition of deposited metal, the type of the medicine, the welding position and the type of welding current. The model establishment method is: first letter "e", said electrode, the "e" behind the digital said deposited metal chemical composition classification code, if there are special requirements for the chemical composition, the chemical composition of the element symbols said, put it in the back of the digital; dash "-" behind the two digit said drug skin type, welding position and welding current type.

(2) stainless steel electrodes

Grade plus "G" (or "Chrome" word) or "A" (or "Austrian"), respectively, said the chromium stainless steel electrode or austenitic chromium nickel stainless steel electrode.

The first number of grades, the main chemical composition of deposited metal composition grade, see table 10-2.

Grade second digits, which represents the different grades of the grade of the main chemical composition of the same deposited metal. The same composition of the welding rod, there are 10 grades, according to 0, 1, 2,... 9, in order to distinguish other ingredients except CR.

The grade third digits, said coating type and welding power supply

(3) the choice of stainless steel electrode

The application of stainless steel electrode on the chromium content is greater than 10.50%, nickel content was less than 50% of the resistant corrosion of steel and heat resistant steel welding, use should according to the material of stainless steel, working conditions (including temperature and contact media) to choose. Mainly from the following aspects to consider:

Heat resistant stainless steel working in high temperature environment, the selection of welding rod is mainly to meet the thermal crack resistance of the weld metal and the high temperature performance of the welded joint. For the CR / Ni is more than or equal to 1 of the austenitic heat resistance steel, such as 1Cr18Ni9Ti and Cr17Ni13W, generally are the Austenitic - ferritic stainless steel electrode; if the CR / Ni < 1 stable austenitic heat resistant steel, such as Cr16Ni25Mo6 Cr15Ni25W4Ti2, the general should be to ensure weld metal and base metal chemical composition is broadly similar to that in weld metal Mo, W, Mn element content increased. In order to improve the crack resistance of weld metal.

Corrosion resistant stainless steel working in a variety of corrosive media, should be based on the medium and operating temperature to select the electrode. For operating temperature above 3000C, strong corrosive medium, choose containing Ti or Nb stabilizing elements or super low carbon stainless steel electrode; for containing dilute sulfuric acid or hydrochloric acid medium, are often used in stainless steel welding rod containing Mo and Cu containing Mo or; to work at room temperature, corrosive or weak only in order to avoid the pollution of corrosion of equipment, which did not contain Ti or Nb stainless steel electrode.

For chromium stainless steel, such as martensitic stainless steel 1Cr13, ferritic stainless steel 1Cr17Ti, in order to improve the plasticity of welded joints, the use of chromium nickel austenitic stainless steel electrode.


Previous: Wear-resistant electrode defect

Next: Stainless steel welding rod use matters needing attention

Home |Products|Quality Control|News|About Us|Contact Us

manager@hbaining.com+86 133 6380 3091

No.313 East Of Heping Road,Shijiazhuang,China

Copyright © Hebei Aining Welding Consumable Co., Ltd. All Rights Reserved. Technical Support: Reanod.