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CLASSIFICATION: E101T1-GM per AWS/ANSI A5.29, ASME SFA 5.29.

APPROVALS: ABS E91T1-GC (C25)

This low alloy steel, all position electrode is designed for the single and multiple pass welding of quenched and tempered steels that require a postweld stress relief. Select 101 SR also produces excellent high strength properties in the as-welded condition. The preferred shielding gas is 75-80% argon / balance carbon dioxide
.

APPLICATIONS: Select 101 SR is designed to weld oilfield components that require a postweld stress relief (not for postweld quench and temper treatments). It is an excellent choice for welding quenched and tempered steels such as 4130, 8630 and similar types. Select 101 SR's weld metal nickel contents of less than 1.0% meet NACE requirements. It is also useful for high strength, low alloy steels where 100 ksi minimum tensile strength and excellent toughness are required in the as-welded condition.

DIAMETERS: .045", .052", 1/16"

SHIELDING GAS: 75% Ar/25% CO2, 35-50 cfh

WELDING POSITIONS: All positions

CHARACTERISTICS:

  • Excellent low temperature toughness, as-welded and stress-relieved .
  • Very positive, smooth and stable arc transfer.
  • Fast freezing slag facilitates all position welding.
  • Slag removes easily.
TYPICAL MECHANICAL PROPERTIES
  75% Ar/25% CO2
As-Welded SR-1150F, 1 Hr SR-1175F, 8 Hrs
Ultimate Tensile Strength (psi) 111,100 103,000 106,400
Yield Strength (psi) 98,700 94,000 99,100
Percent Elongation 19 22 22
CVN (ftlb f) @ -20° F 65 36  
                  @ -25° F     22
                  @ -50° F 47    

TYPICAL DEPOSIT COMPOSITION
Wt% C Mn P S Si Ni Mo
75 Ar/25 CO2
.06 1.40 .010 .007 .30 .85 .35

RECOMMENDED WELDING PARAMETERS
Optimum Range
Diam. Position Amps Volts WFS Amps Volts
1/16" Flat 350 28 300 150-400 21-33
  Overhead 225 25 160 150-310 22-27
  Vertical Up 225 24 160 150-280 22-26
.052" Flat 300 27 360 100-330 19-31
  Overhead 225 25 245 150-310 21-27
  Vertical Up 225 24 245 150-280 21-26
.045" Flat 250 27 282 100-300 20-31
  Overhead 200 25 265 150-280 21-28
  Vertical Up 200 24 265 100-230 21-27