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ER 80S-B8

Technical Data Sheet


Chemical Composition Limits
Weight% C Mn Si Cr Mo S P Ni Cu OET
ER 80S-B8 0.10 max 0.40-0.70 0.50 max 8.00-10.5 0.8-1.2 0.025 max 0.025 max 0.5 max 0.35 max 0.50 max

Alloy ER80S B8 is designed for welding materials of similar composition. This alloy is an air hardening type that calls for preheat and interpass temperatures of not less than 350ºF during welding. Formerly know as Alloy ER505 AWS / ASME SFA 5.9.

Typical Mechanical Properties

Material Ultimate Tensile Strength Offset Yield Strength 0.2 % Elongation (%)
psi MPa psi MPa
ER 80S-B8 92,800 640 71,050 490 30

Alloy ER 80S-B8 is a mild and low alloy steel TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.

AWS 5.28
UNS S50480

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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.