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Data Sheet:

ER 309LSi

Alloy ER 309LSi

Weight % C Mn Si Cr Ni S P Mo Cu

ER 309LSi

0.03

max

1.00- 2.5

0.65- 1.00 23-25 12-14

0.03

max

0.03

max

0.75

max

0.75

max

   

Alloy ER 309LSi is of the same chemical composition as ER309L, with higher silicon content to improve the bead appearance and increase welding ease.  This filler metal is used for welding of similar alloys in wrought or cast form.  ER309LHiSil is mostly used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless steel.  The weld beads are exceptionally smooth due to good wetting.

    

AVAILABILITY

Alloy ER 309LSi is a stainless steel TIG, MIG and SUB-ARC wire used for welding

    

SPECIFICATIONS

AWS 5.9

ASME SFA 5.9

AWS ER309LSi

UNS S30988

    

TYPICAL MECHANICAL PROPERTIES

Material Ultimate Tensile Strength (psi) 0.2% Offset Yield Strength (psi)

Elongation  (%)

ER 309LSi 82,650 (570 MPa) 59,450 (410 MPa) 38

  

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.

   

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