ER-316L Stainless steel 1.4430 UNS31683

What is stainless steel ER 316L？

ER-316L is welded by semi-automatic technology with 100% Argon or 100% Helium shielding gas (TIG welding) to create a stable weld with little splash and a bright, smooth weld. TIG welding rod ER-316L is suitable for welding all kinds of vessels, including chemical tanks, load-bearing structures, acid-resistant equipment, and equipment in the medical and food industries.

Applications for ER 316L kowiri tira

• Sheet metal
• High pressure piping and tubing
• Use for welding similar alloys containing approximately 2% molybdenum
• Food Processing
• Pharmaceutical Processing

Equivalents of grade ER 316L

STANDARD	AWS	UNS	MAI	Class	IN	BS
SS ER-316L	A5.9	S31683	1.4430	ER316L	19 12 3 L	316S92

ER-316L Stainless steel 1.4430 UNS31683 Chemical Composition

Chemical Composition Limits
Weight%	C	Mn	Si	Cr	Ni	S	P	Mo	Cu
ER 316L	0.02	1.7	0.40	19	12.5	–	0.025	2.5	0.28

Mechanical Properties 

Material	Ultimate Tensile Strength		Offset Yield Strength 0.2 %		Elongation (%)
	psi	MPa	psi	MPa
ER 316L	86,000	593	57,000	393	36

ER-316L Stainless steel 1.4430 UNS31683 Physical Properties

Density: Typically around 7.98 g/cm³, similar to other stainless steel alloys.

Melting Point: Approximately 1370-1400°C (2498-2552°F), ensuring stability during welding.

Electrical Resistivity: Mō 0.74 µΩ·m, facilitating efficient electrical conductivity during welding.

Thermal Conductivity: Around 14.6 W/m·K, aiding in heat dissipation and maintaining uniform weld temperatures.

Coefficient of Thermal Expansion: Moderate, ensuring minimal distortion and stress in welded components subjected to temperature variations.

Magnetic Properties: Typically non-magnetic in the annealed condition, suitable for applications requiring non-magnetic properties.

Corrosion Resistance: Excellent resistance to corrosion, particularly in chloride environments, making it suitable for marine and chemical processing applications.