NM-309

Specification
AWS Specification: AWS A5.9 ER 309
JIS Specification: N/A
Other Specification: N/A
Description
  • NM-309 is a highly quality, low carbon solid stainless steel rod for the MIG welding of highly alloyed 309 type stainless steels
  • Suitable for the dissimilar joining of other 300 series austenitic stainless steels to ferritic steels
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cr

Ni

0.05

0.36

2.04

23.51

13.48

 

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL DEPOSITS:
Yield Point
N/mm2 (KSI)
 
Tensile Strength
N/mm2 (KSI)
 
Elongation
%
 

400 (58)

570 (83)

42

 

SIZE AND RECOMMENDED CURRENT RANGE: DC (+)

DIAMETER (mm)

Amps

0.8 60 - 180
0.9 70 - 200
1.0 70 - 200
1.2 90 - 250
1.6 200 - 300

NOTE:

The information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and Industrial Welding Corporation expressly disclaims any liability incurred from any reliance thereon. Typical data and test results for mechanical properties, deposit, or electrode composition and other properties were obtained from a weld produced and tested according to prescribed standards and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design, and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application.

  • For welding similar 309 alloys or joining 300 series stainless steel to carbon or low alloy steels

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Industrial Welding Corporation (IWC) was established in 1982 by Mr. H. Ong Hai who had 25 years of welding industry experience (at that time). Since then, IWC has consistently and successfully earned an excellent ...
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