Stainless Steel ER 308 / ER 308LSi


Technical Data Sheet

 

Chemical Composition Limits
Weight% C Mn Si Cr Ni S P Mo Cu
ER 308
ER 308 LSi		 0.03 max 1-2.5 0.65-1 19.5-22 9-11 0.03 max 0.03 max 0.75 max 0.75 max

Alloy ER 308LSi is used to weld base metal of similar composition such as AISI 310, 302, 304, 304L, 305, 308, 308L and 347. This classification is the same as ER308L, except for the higher silicon. This improves the usability of the filler metal in the gas metal arc welding process. If the dilution by the base metal produces a low ferrite or fully austenitic weld, the crack sensitivity of the weld is somewhat higher than that of a lower silicon content weld metal.

Typical Mechanical Properties

Material Ultimate Tensile Strength Offset Yield Strength 0.2 % Elongation (%)
psi MPa psi MPa
ER 308/ 308LSi 84,100 580 58,000 400 41


Availability
Alloy ER 308/308LSi is a Stainless Steel TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.

Specifications
AWS 5.9
ASME SFA 5.9
AWS ER 308/308LSi
UNS S30888

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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.