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Data Sheet:

ER 309LMO

Alloy ER 309LMO

Weight % C Mn Si Cr Ni S P Mo Cu

ER 309LMO

0.03

max

1.00 -2.5

0.30- 0.65 23-25 12-14

0.03

max

0.03

max

2-3

0.75

max

   

Alloy ER 309LMO is used for the welding of dissimilar materials between stainless and low alloy steels, as well as for overlay cladding.  This alloy is well suited for austenitic ferritic joints with a maximum application temperature of 300șC.  It is also suited for stainless with wet corrosion up to 350șC.  Alloy 309LMO is also used for depositing buffer layers when welding clad products.  ER309LMO can be used for joining unalloyed/low-alloy steels/cast steel grades or stainless/heat-resistance chromium steels/cast steel grades to austenitic steels/ cast steel grades.

    

AVAILABILITY

Alloy ER 309LMO 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 ER309LMO

UNS S30986

    

TYPICAL MECHANICAL PROPERTIES

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

Elongation  (%)

ER 309LMO 89,900 (620 MPa) 63,800 (440 MPa) 42

  

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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