Electrode comparison

E316L vs E410

E316L is the molybdenum-bearing austenitic filler for chloride service; E410 is a hardening martensitic filler for wear and 410 base metal.

E316L vs E410 at a glance

	E316L	E410
AWS specification	AWS A5.4/A5.4M	AWS A5.4/A5.4M
Process	Stick (SMAW)	Stick (SMAW)
Form	Covered electrode	Covered electrode
Tensile strength (min)	70 ksi	75 ksi
Yield strength (min)	40 ksi	55 ksi
Elongation (min)	30%	20%
Impact toughness	Not required; austenitic deposits remain tough at low temperature	Not required; properties depend heavily on post-weld heat treatment
Polarity	DCEP, AC	DCEP, AC
Positions	Flat, Horizontal, Vertical, Overhead	Flat, Horizontal, Vertical, Overhead
Penetration	Shallow to medium	Medium
Deposition rate	Medium	Medium
Coating / core	Lime-titania (-16)	Lime or lime-titania
Slag	Self-lifting, remove completely between passes	Moderate, releases readily
Shielding gas	None — self-shielding	None — self-shielding
Storage	Dry storage; rod oven at 250–300 °F (120–150 °C) after opening.	Dry storage and a rod oven at 250–300 °F (120–150 °C) after opening — hydrogen cracking is a real risk with martensitic deposits.
Primary use	Marine and offshore stainless fabrication	Repair and joining of 410 martensitic stainless components

Which should you use?

E316L is chosen for corrosion resistance in chlorides and deposits a ductile austenitic weld that needs no heat treatment. E410 is chosen for hardness and for matching 410 base metal, and it deposits a martensitic weld that air-hardens and must be preheated and tempered. They overlap only in the sense that both are called stainless; in practice the choice is decided by whether the part needs corrosion resistance or wear resistance.

Choose E316L when

Marine, chemical and chloride exposure
Type 316 and 316L base metal
Joints that cannot be heat treated

Choose E410 when

Type 410 base metal with heat treatment available
Hardfacing pump sleeves, valve seats and shafts
Mildly corrosive service where wear dominates

Amperage compared

Diameter	E316L	E410
3/32 in (2.4 mm)	40–80 A	40–80 A
1/8 in (3.2 mm)	65–110 A	70–110 A
5/32 in (4.0 mm)	95–150 A	100–150 A
3/16 in (4.8 mm)	130–190 A	130–190 A

Ranges are typical starting points. Diameters listed for only one electrode are shown as — for the other.

E316L vs E410 — common questions

Is E410 more corrosion resistant than E316L?

No. At 12% chromium and no molybdenum, E410 offers far less corrosion resistance than E316L, particularly in chlorides.

Can E316L be used as a hardfacing overlay?

It is not a hardfacing alloy — its deposit is soft and ductile. It is used for corrosion-resistant cladding, which is a different job from wear surfacing.

Does E316L require post-weld heat treatment?

Normally no. Austenitic deposits do not harden on cooling. Solution annealing is occasionally specified for severe corrosion service, but it is not routine.

Full specifications

E316L

AWS A5.4/A5.4M

E316L adds 2–3% molybdenum for pitting and chloride resistance, making it the electrode for 316/316L marine, chemical and pharmaceutical work.

E410