INE B3

Basic-coated stick electrode for welding 2.25% Cr 1.0% Mo creep-resistant steels

Basic coated low-hydrogen stick electrode for welding of 2.25% Cr - 1% Mo creep-resistant steels. Used in the chemical industry with operating temperature up to 600 ° C. Excellent resistance to cold cracking. X and J Factor controlled. AWS 5.5: E9018-B3 H4.
Classifications
  • AWS A 5.5: E9018-B3 H4
  • EN ISO 3580-A: E CrMo2 B 4 2 H5
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Basic coated low-hydrogen stick electrode for welding of 2.25% Cr - 1% Mo creep-resistant steels. Its special composition delivers excellent resistance to cold cracking. It retains excellent mechanical properties after long exposure to temperature up to 600°C. Extensively used in oil and gas industry, chemical industry, ammonia synthesis processes and thermal power plants for heat exchangers, boilers, pipes and pressure vessels with operating temperatures up to about 600°C. *( X and J Factor available “on request”).
 

C 0.07
Si 0.40
Mn 0.70
Cr 2.25
Mo 1.00
Yield strength 580 (T) MPa 580 (T) MPa
Tensile strength 630-720 (T) MPa 630-720 (T) MPa
Elongation 22 (T) % 22 (T) %
Impact test Kv (R.T.) 140 J (T)
Impact test Kv (-30°C) 47J (T)
Diameter (mm) Length Ampere
2.5 350 60-110
3.2 350 90-140
4.0 350 130-190
5.0 450 180-230
  • tutte tranne vertical down

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