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ATOM ARC 8018-B6

Atom Arc 8018-B6 B6 is designed to weld 5% Cr -0.5% Mo creep resisting steels such as ASTM A387 Grade 5, A213-T5 and A335-P5. These steels are normally used in pressure vessels and piping for high temperature service.

Features

Atom Arc 8018-B6 is designed to weld 5% Cr -0.5% Mo creep resisting steels such as ASTM A387 Grade 5, A213-T5 and A335-P5. These steels are normally used in pressure vessels and piping for high temperature service.

Atom Arc 8018-B6
  • Industry
  • Shipbuilding
  • Process
  • Pipeline
  • Power Generation
  • Welding Process
  • SMAW (Stick)

Classifications

  • Classifications/Approvals

    • SFA/AWS A5.5; E8018-B6H4R

Properties

Typical Properties
Stress Relieved 1 hr. @ 1375ºF (746ºC)  
Yield Strength 86 ksi, 593 MPa
Tensile Strength 101 ksi, 695 MPa
Elongation 22% in 2"
Typical Undiluted Weld Metal Analysis  
C .09 %
Mn 0.08 %
Si 0.6 %
P 0.015 %
S 0.01 %
Cr 5.25 %
Mo 0.54 %

SAW

Accessories

Depositions

Deposition Table
Diameter Optimal Amperage Range Amperage Deposition Rate Efficiency
3/32 in, 2.4 mm 90 A 70-100 1.7 lbs./hr., 0.8 kg./hr. 66.3 %
120 A 90-160 2.6 lbs./hr., 1.2 kg./hr. 71.6 %
1/8 in, 3.2 mm 140 A 90-160 2.7 lbs./hr., 1.2 kg./hr. 70.9 %
130-220 3.1 lbs./hr., 1.4 kg./hr. 75 %
5/32 in, 4.0 mm 170 A 130-220 3.8 lbs./hr., 1.7 kg./hr. 73.5 %
200 A 200-300 4.9 lbs./hr., 2.2 kg./hr. 76.4 %
3/16 in, 4.8 mm 250 A 200-300 5.4 lbs./hr., 2.4 kg./hr. 74.6 %
250-350 6.5 lbs./hr., 2.9 kg./hr. 75 %
7/32 in, 5.6 mm 300 A 250-350 7.2 lbs./hr., 3.3 kg./hr. 74 %
300-400 7.7 lbs./hr., 3.5 kg./hr. 78 %
1/4 in, 6.4 mm 350 A 300-400 8.7 lbs./hr., 3.9 kg./hr. 77 %

Extra Info

The recommended preheat temperature for 5CrMo steels is 400-500ºF depending on thickness. Post weld heat treatment is generally required.