ER 90S-B9


Technical Data Sheet

 

Chemical Composition Limits
Weight% C Mn Si Cr Ni Mo Cu V P S Al OET
ER 90S-B9 0.07-0.13 1.25 maxx 0.15-0.30 8-9.50 1 max 0.80-1.10 0.20 max 0.15-0.25 0.010 max 0.010 max 0.04 max 0.50 max

Alloy ER90S-B9 is designed to weld high temperature steels for hot hydrogen service. This wire is suitable for 9% Chromium steels such as P91, T91 and F91. Applications include steam generation and petro-chemical equipment. Preheat and interpass is required.

Typical Mechanical Properties

Material Ultimate Tensile Strength Offset Yield Strength 0.2 % Elongation (%)
psi MPa psi MPa
ER 90S-B9 108,750 750 94,250 650 18


Availability
Alloy ER 90S-B9 is a mild and low alloy steel TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.

Specifications
AWS 5.28
ASME SFA 5.28
AWS ER90S B9
UNS S50482

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Disclaimer
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.