Lincoln ER70S-2 or ER70S-6 mild steel TIG Wires

Diameters / Packaging

Diameters

Lincoln® ER90S-B3

TIG (GTAW)

CLASSIFICATIONS:
ER90S-B3

B3 alloyed steel designed for prolonged elevated temperature service up to 600°C (1112°F) and corrosion resistance

DETAILS

Low Alloy Steel • AWS A5.28M ER90S-B3

Features

  • B3 alloyed steel: 2.25% chromium, 1% molybdenum alloyed steel consumable designed for prolonged elevated temperature service up to 600°C (1112°F)
  • Excellent corrosion resistance in refineries to sulfur bearing crude oil at 250°C-450°C (482°F-842°F)
  • Q2 Lot®- Certificate showing actual deposit chemistry and mechanical properties available online

Typical Applications

  • Steam Generating Power Plant
  • Piping
  • Turbine Castings
  • Valve Bodies and Boiler Superheaters
  • Coal Liquefaction and Pressure Vessels

Welding Positions

  • All

Shielding Gas

  • 100% Argon

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.28 ER90S-B3

MECHANICAL PROPERTIES

Classification Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Hardness Rockwell B
ER90S-B3 Requirement 100% Ar DC- 540 (78) min. 620 (90) min. 17 min. Info. Only
Typical Result, 1 hour @ 690°C (1275°F) 100% Ar DC- 560-600 (81-86) 690-720 (100-105) 23-26 96

WIRE COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %Total Cu
ER90S-B3 Requirement 0.07 - 0.12 2.30 - 2.70 0.40 - 0.70 0.90 - 1.20 0.20 max. 0.025 max. 0.025 max. 0.40 - 0.70 0.35 max.
Typical Result 0.09-0.10 2.42-2.47 0.52-0.58 1.01-1.05 0.03-0.04 0.003-0.008 0.003-0.008 0.50-0.54 0.05-0.08