Stainless Steel 304, like 302, has good mechanical properties and corrosion resistance.

Stainless Steel 304 is also known as AISI 304.

Chemical   Composition			Specifications	Designations	Key Features	Typical   Applications
Element	Min %	Max %	ASTM   A313     ASTM A580     BS 970     BS 2056	W.NR   1.4301     W.NR 1.4307     UNS S30400     AWS 161	Good   mechanical properties and corrosion resistance.	Springs.     Engineered components.     Wire mesh.     Wire cloth.     Hose braiding.
C	–	0.07
Mn	–	2
P	–	0.045
S	–	0.03
Si	–	1
Cr	17.5	19.5
Ni	8	10.5
Fe	BAL
Density			8.0 g/cm3	0.289   lb/in3
Melting Point			1454°C	2650°F
Coefficient   of Expansion			18.2   μm/m °C (20 – 100°C)	10.1   x 10-6 in/in   °F (70 – 212°F)
Modulus of Rigidity			70.3   kN/mm2	10196   ksi
Modulus of Elasticity			187.5   kN/mm2	27195   ksi
Heat Treatment of   Finished Parts
Condition as supplied by Alloy Wire		Type	Temperature		Time   (Hr)	Cooling
			°C	°F
Annealed   or Spring Temper		Stress   Relieve	250	480	1	Air
Properties
Condition			Approx.   tensile strength		Approx.   operating temperature
			N/mm2	ksi	°C	°F
Annealed			600   – 800	87   – 116	-200   to +300	-330   to +570
Spring   Temper			1300   – 2200	189   – 319	-200   to +300	-330   to +570

The above tensile strength ranges are typical. If you require different please ask.

Stainless Steel 316

Stainless Steel 316 has slightly better corrosion resistance than 302 and 304. It also has better non-magnetic properties.

Stainless Steel 316 is also known as AISI 316.

Chemical   Composition			Specifications	Designations	Key Features	Typical   Applications
Element	Min %	Max %	ASTM   A313     ASTM A580     BS 970     BS 2056	W.NR   1.4401     W.NR 1.4404     UNS S31600     AWS 162	Better   corrosion resistance and non-magnetic properties than 302 & 304   stainless.     Better pitting and crevice corrosion resistance than 302 & 304   stainless.	More   suited to Marine, Food and Medical applications than     302 and 304 stainless.     Food processing     Springs     Engineered components.     Wire mesh.     Wire cloth     Hose braiding
C	–	0.07
Mn	–	2
P	–	0.045
S	–	0.03
Si	–	1
Cr	16	18.5
Ni	9.5	13
Mo	2	2.5
Density			8.0 g/cm3	0.289   lb/in3
Melting Point			1398°C	2555°F
Coefficient   of Expansion			17.5 μm/m °C (20 – 100°C)	9.7 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity			70.3 kN/mm2	10196 ksi
Modulus of Elasticity			187.5   kN/mm2	27195   ksi
Heat Treatment of   Finished Parts
Condition as supplied by Alloy Wire		Type	Temperature		Time   (Hr)	Cooling
			°C	°F
Annealed   or Spring Temper		Stress   Relieve	250	480	1	Air
Properties
Condition			Approx.   tensile strength		Approx.   operating temperature
			N/mm2	ksi	°C	°F
Annealed			600   – 800	87   – 116	-200   to +300	-330   to +570
Spring   Temper			1300   – 2200	189   – 319	-200   to +300	-330   to +570

The above tensile strength ranges are typical. If you require different please ask.

Process