Stainless Steel 309 / 309L GMAW

309L is a austenitic stainless steel used to weld base metal of similar composition and 300 type stainless to carbon or low ally steels, also the low carbon grades stainless. The low carbon reduces carbibe precipitation 

TYPICAL CHEMISTRY:

Carbon 0.01                           Manganese 1.88

Nickel 13.74                            Chromium 23.03

Silicon 0.42                            Molybdenum 0.08

Copper 0.11                            Phosphorus 0.020

Sulfur 0.001                           Nitrogen 0.062