304L Stainless Steel Grade

 

Physical Properties

AISI 304L stainless steel physical properties are given in the following lists, including density, melting point and magnetic permeability.

SS304L Physical Properties
Density, g/cm3 (lb/in.3)	8.03 (0.29)
Melting point, °C (°F)	1400-1450 (2550-2650)
Magnetic permeability	1.02 (Approximate)

Mechanical Properties

304 vs 304L stainless steel mechanical properties at room temperature are listed in the following tables.

304 vs 304L Mechanical Properties
ASTM	AISI Type	Conditions	Tensile Strength, MPa (ksi), ≥	0.2% Yield Strength, MPa (ksi), ≥	Elongation in 50 mm (2 in.), %, ≥	Reduction of Area, %, ≥	Brinell Hardness (HBW), ≤	Rockwell Hardness (HRBW), ≤	Product forms
ASTM A276/A276M	304	Annealed, Hot finished	515 (75)	205 (30)	40	50	–	–	Bars and Shapes
	304L		485 (70)	170 (25)	40	50	–	–
	304	Annealed, Cold finished, Dia ≤ 12.7 mm (0.5 in.)	620 (90)	310 (45)	30	40	–	–
	304L
	304	Annealed, Cold finished, Dia > 12.7 mm (0.5 in.)	515 (75)	205 (30)	30	40	–	–
	304L		485 (70)	170 (25)	30	40	–	–
ASTM A580/A580M	304	Annealed	520 (75)	210 (30)	35	50			Wire
	304L		485 (70)	170 (25)	35	50	–	–
	304	Cold finished	620 (90)	310 (45)	30	40	–	–
	304L
ASTM A240/A240M	304		515 (75)	205 (30)	40	–	201	92	Plate, Sheet, and Strip
	304L		485 (70)	170 (25)	40	–	201	92
ASTM A473/A473M	304	Annealed, Sections ≤ 5 in. (127 mm)	515 (75)	205 (30)	40	50	–	–	Forgings
		Annealed, Sections > 5 in. (127 mm)	70 (485)
	304L		450 (65)	170 (25)	40	50	–	–