Arcaloy 309L-16


Arcaloy 309L-16

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Arcaloy 309L-16 is used for welding carbon and low alloy steels to stainless steels. This can be done provided the service temperature does not exceed about 700°F (370°C). Post weld heat treatment should only be performed after due consideration.


  • Industrial and General Fabrication

Welding Process

  • SMAW/MMA (Stick)

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded37 %590 MPa (85 ksi)450 MPa (65 ksi)


Classifications ASME II SFA A5.4 :
ASME IX F No. 5 :
AWS A5.4 : E309L-16/E309-16


Grade E309L-16
Society CWB CSA W48
Approvals are based on factory location. Please contact ESAB for more information.

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Ferrite Mn Mo Ni Si
0.03 % 23.50 % 0.10 % 9 FN % 1.80 % 0.30 % 13.50 % 0.45 %

How to purchase Arcaloy 309L-16

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.

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Part Numbers and Accessories

Part Numbers : Arcaloy 309L-16
AC 309L-16 1/8X14X10#HS 251051801
AC 309L-16 3/16X14X10#HS 251053104
AC 309L-16 3/32X12X10#HS 251053203
AC 309L-16 3/32X9X6#HS 251053302
AC 309L-16 5/32X14X10#HS 251055307