AWS E309Mo-16 Welding Electrodes for Stainless Steel, Best Arc Welding Rods

A312 (AWS E309Mo-16) is a Cr23Ni13Mo2 stainless steel electrode with titanium calcium coating.

Products Details

Stainless Steel Welding Electrode A312                                     

GB/T E309Mo-16

AWS A5.4 E309Mo-16

Description: A312 is a Cr23Ni13Mo2 stainless steel electrode with titanium calcium coating. It can be used for both AC and DC with excellent operating performance. It has better corrosion, crack, and oxidation resistance than A302 because the deposited metal contains molybdenum. Application: It is used for welding the same type of stainless steel container resistant to corrosion by sulfuric acid medium (ammonia sulfide), and can also be used for welding stainless steel lining, clad steel plate and dissimilar steel.   Chemical composition of weld metal(%):

C

Mn

Si

Cr

Ni

Mo

Cu

S

P

≤0.12

0.5 ~ 2.5

≤0.90

22.0 ~ 25.0

12.0 ~ 14.0

2.0 ~ 3.0

≤0.75

≤0.030

≤0.040

   Mechanical properties of weld metal:

Test item

 Tensile strength

Mpa

Elongation

%

Guaranteed

≥550

≥25

   Recommended current:

Rod diameter

(mm)

2.0

2.5

3.2

4.0

5.0

Welding Current

(A)

25 ~ 50

50 ~ 80

80 ~ 110

110 ~ 160

160 ~ 200

  Notice:
  1. The electrode must be baked for 1 hour at around 150℃ before welding operation;
  2. Because the penetration depth is shallow during AC welding, the DC power supply should be used as        much as possible to get deeper penetration. and the current should not be too large to avoid redness of the welding rod.
    Wenzhou Tianyu Electronic Co., Ltd. was established in 2000. We have been engaged in the manufacturing of welding electrodes, welding rods, and welding consumables for more than 20 years. Our main products include stainless steel welding electrodes, carbon steel welding electrodes, low alloy welding electrodes, surfacing welding electrodes, nickel & cobalt alloy welding electrodes, mild steel & low alloy welding wires, stainless steel welding wires, gas-shielded flux cored wires, aluminum welding wires, submerged arc welding. wires, nickel & cobalt alloy welding wires, brass welding wires, TIG & MIG welding wires, tungsten electrodes, carbon gouging electrodes, and other welding accessories & consumables.  

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