Stainless Steel Characterisitics



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Stainless Steel Characteristics
Stainless Steel Grades Chemical Compostion Principal Elements % Mechanical Properties Annealed Condition
CR NI C Other Elements Tensile PSI Yield PSI Elong. % IN 2" Hardness Rockwell
304 18.00- 8.00-11.00 0.08 max - 85,000 105,000 35,000 55 / 20 B80 Ann
304L 18.00- 8.00-13.00 0.035 max - 80,000 30,000 55 B75
304H 18.00- 8.00-11.00 0.04-0.10 - 85,000 35,000 55 B80
310 24.00- 19.00-22.00 0.15 max - 95,000 45,000 45 B85
316 16.00-18.00 11.00-14.00 0.08 max Mo 2.00- 3.00 85,000 35,000 50 B80
316L 16.00- 18.00 10.00-15.00 0.035 max Mo 2.00- 3.00 75,000 30,000 50 B75
316H 16.00- 18.00 11.00-14.00 0.04-0.10 Mo 2.00- 3.00 85,000 35,000 50 B80
317 18.00- 20.00 11.00-14.00 0.08 max Mo 2.00- 4.00 90,000 40,000 45 B85
321 17.00- 9.00-13.00 0.08 max Ti 5XC-0.60 90,000 35,000 55 B80
347 17.00- 20.00 9.00-13.00 0.08 max Cb + Ta 10XC-1.00 95,000 40,000 50 B85
Physical Properties (Annealed)
Type Density
LBS/CU. INC.		 Specific Elect. Resist OMHS
CM/CM2		 Specific Heat
BTU/LB ËšF		 Thermal Conduct
BTU/HR SQ FT/ËšF (212Ëš)		 Mean Coefficient of
Expansions ËšF		 Tension PSI Modulus
of Elasticity		 Magnetic
Permeability
32-312 32-1200
304/304L 0.29 72 0.12 9.4 9.6 x 10 -6 10.4 x 10 -6 28.0 x 10 6 1.003
310 0.29 78 0.12 8.2 8.8 x 10 -6 9.7 x 10 -6 29.0 x 10 6 1.003
316/316L 0.29 74 0.12 9.4 8.9 x 10 -6 10.3 x 10 -6 28.0 x 10 6 1.003
317 0.29 74 0.12 9.4 8.9 x 10 -6 10.3 x 10 -6 28.0 x 10 6 1.003
321 0.29 72 0.12 9.3 9.3 x 10 -6 10.7 x 10 -6 28.0 x 10 6 1.003
347 0.29 73 0.12 9.3 9.3 x 10 -6 10.6 x 10 -6 28.0 x 10 6 1.003
21-6-9 0.29 - 0.12 9.5 9.3 x 10 -6 - 28.5 x 10 6 1.002

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