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P R O D U C T D A T A S H E E T
316/316L-S-08-01-07
UNS S31600 AND UNS S31603
Type 316 is an austenitic chromium-
nickel stainless steel containing
molybdenum. This addition increases
general corrosion resistance, improves
resistance to pitting from chloride ion
solutions, and provides increased
strength at elevated temperatures. Prop-
erties are similar to those of Type 304
except that this alloy is somewhat
stronger at elevated temperatures.
Corrosion resistance is improved, par-
ticularly against sulfuric, hydrochloric,
acetic, formic and tartaric acids; acid
sulfates and alkaline chlorides.
Type 316L is an extra-low carbon ver-
sion of Type 316 that minimizes harmful
carbide precipitation due to welding.
Typical uses include exhaust manifolds,
furnaceparts,heatexchangers,jetengine
parts, pharmaceutical and photographic
equipment, valve and pump trim, chemi-
cal equipment, digesters, tanks,
evaporators, pulp, paper and textile pro-
cessing equipment, parts exposed to
marine atmospheres and tubing. Type
316L is used extensively for weldments
where its immunity to carbide precipita-
tion due to welding assures optimum
corrosion resistance.
MECHANICAL PROPERTIES
Typical Room Temperature Properties
Elongation
UTS 0.2% YS % in 2" Hardness
ksi (MPa) ksi (MPa) (50.8 mm) Rockwell
Type 316 84 (579) 42 (290) 50 B79
Type 316L 81 (558) 42 (290) 50 B79
COMPOSITION
Type 316 Type 316L
% %
Carbon 0.08 max. 0.03 max.
Manganese 2.00 max. 2.00 max.
Phosphorus 0.045 max. 0.045 max.
Sulfur 0.030 max. 0.03 max.
Silicon 0.75 max. 0.75 max.
Chromium 16.00 - 18.00 16.00 - 18.00
Nickel 10.00 - 14.00 10.00 - 14.00
Molybdenum 2.00 - 3.00 2.00 - 3.00
Nitrogen 0.10 max. 0.10 max
Iron Balance Balance
AVAILABLE FORMS
AK Steel produces Types 316 and 316L
Stainless Steels in thicknesses from
0.01" to 0.25" (0.25 to 6.35 mm) max.
and widths up to 48" (1219 mm). For
other thicknesses and widths, inquire.
316STAINLESS STEEL
316L
AK STEEL 316/316L STAINLESS STEEL DATA SHEET
The information and data in this product data sheet are
accurate to the best of our knowledge and belief, but are
intended for general information only. Applications
suggested for the materials are described only to help
readers make their own evaluations and decisions, and
are neither guarantees nor to be construed as express or
implied warranties of suitability for these or other
applications.
Data referring to mechanical properties and chemical
analyses are the result of tests performed on specimens
obtained from specific locations with prescribed sampling
procedures; any warranty thereof is limited to the values
obtained at such locations and by such procedures. There
is no warranty with respect to values of the materials at
other locations.
AK Steel and the AK Steel logo are registered trademarks
of AK Steel Corporation.
SPECIFICATIONS
Types 316 and 316L Stainless Steel sheet
and strip are covered by the
following specifications:
Type 316 Type 316L
AMS 5524 AMS 5507
ASTM A 240 ASTM A 240
ASTM A 666 ASTM A 666
PHYSICAL PROPERTIES
Density, 0.29 lbs/in3
7.99 g/cm3
Electrical Resistivity, microhm-in
(microhm-cm) 68°F (20°C) – 29.4 (74)
Specific Heat, BTU/lb/°F (kJ/kg•K)
32 - 212°F (0-100°C) – 0.12 (0.50)
Thermal Conductivity, BTU/hr/ft2
/ft/°F
(W/m•K)
at 212°F (100°C) – 9.4 (16.2)
at 932°F (500°C) – 12.4 (21.4)
Modulus of Elasticity, ksi (MPa)
28.0 x 103
(193 x 103
) in tension
11.2 x 103
(77 x 103
) in torsion
Mean Coefficient of Thermal Expansion,
in/in/°F (μm/m•K)
32 - 1212°F(0 - 100°C) – 8.9 x10-6
(16.0)
32 - 1600°F(0 - 315°C) – 9.0 x10-6
(16.2)
32 - 1000°F(0 - 538°C) – 9.7 x10-6
(17.5)
32 - 1200°F(0 - 649°C)–10.3 x 10-6
(18.5)
32 - 1500°F(0 - 871°C) –11.1 x10-6
(19.9)
Magnetic Permeability, H = 200
Oersteds, Annealed – 1.02 max.
Melting Range, °F (°C) – 2500 - 2550
(1371 - 1399)
CORROSION RESISTANCE
Types 316 and 316L Stainless Steels ex-
hibit better corrosion resistance than
Type 304. They provide excellent pitting
resistance and good resistance to most
chemicals involved in the paper, textile
and photographic industries.
HEAT TREATMENTS
Types 316 and 316L are non-hardenable
by heat treatment.
Annealing: Heat to 1900 - 2100°F
(1038 - 1149°C), then rapidly quench.
FORMABILITY
Types 316 and 316L can be readily
formed and drawn.
WELDABILITY
The austenitic class of stainless steels
is generally considered to be weldable
by the common fusion and resistance
techniques. Special consideration is re-
quired to avoid weld ”hot cracking“ by
assuring formation of ferrite in the weld
deposit. These particular alloys are gen-
erally considered to have poorer
weldability than Types 304 and 304L. A
major difference is the higher nickel con-
7100-0096 7/07© 2007 AK Steel Corporation
tent for these alloys which requires
slower arc welding speed and more care
to avoid hot cracking. When a weld filler
is needed, AWS E/ER 316L and 16-8-2
are most often specified. Types 316 and
its low-carbon ”L“ version are well known
in reference literature and more informa-
tion can be obtained in this way.
METRIC CONVERSION
Data in this publication are presented in
U.S. customary units. Approximate
metric equivalents may be obtained by
performing the following calculations:
Length (inches to millimeters) –
Multiply by 25.4
Strength (ksi to megapascals or
meganewtons per square meter) –
Multiply by 6.8948
9227 Centre Pointe Drive
AK Steel Corporation
West Chester, OH 45069
www.aksteel.com
Customer Service 800-331-5050

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316 316 l_data_sheet

  • 1. P R O D U C T D A T A S H E E T 316/316L-S-08-01-07 UNS S31600 AND UNS S31603 Type 316 is an austenitic chromium- nickel stainless steel containing molybdenum. This addition increases general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. Prop- erties are similar to those of Type 304 except that this alloy is somewhat stronger at elevated temperatures. Corrosion resistance is improved, par- ticularly against sulfuric, hydrochloric, acetic, formic and tartaric acids; acid sulfates and alkaline chlorides. Type 316L is an extra-low carbon ver- sion of Type 316 that minimizes harmful carbide precipitation due to welding. Typical uses include exhaust manifolds, furnaceparts,heatexchangers,jetengine parts, pharmaceutical and photographic equipment, valve and pump trim, chemi- cal equipment, digesters, tanks, evaporators, pulp, paper and textile pro- cessing equipment, parts exposed to marine atmospheres and tubing. Type 316L is used extensively for weldments where its immunity to carbide precipita- tion due to welding assures optimum corrosion resistance. MECHANICAL PROPERTIES Typical Room Temperature Properties Elongation UTS 0.2% YS % in 2" Hardness ksi (MPa) ksi (MPa) (50.8 mm) Rockwell Type 316 84 (579) 42 (290) 50 B79 Type 316L 81 (558) 42 (290) 50 B79 COMPOSITION Type 316 Type 316L % % Carbon 0.08 max. 0.03 max. Manganese 2.00 max. 2.00 max. Phosphorus 0.045 max. 0.045 max. Sulfur 0.030 max. 0.03 max. Silicon 0.75 max. 0.75 max. Chromium 16.00 - 18.00 16.00 - 18.00 Nickel 10.00 - 14.00 10.00 - 14.00 Molybdenum 2.00 - 3.00 2.00 - 3.00 Nitrogen 0.10 max. 0.10 max Iron Balance Balance AVAILABLE FORMS AK Steel produces Types 316 and 316L Stainless Steels in thicknesses from 0.01" to 0.25" (0.25 to 6.35 mm) max. and widths up to 48" (1219 mm). For other thicknesses and widths, inquire. 316STAINLESS STEEL 316L
  • 2. AK STEEL 316/316L STAINLESS STEEL DATA SHEET The information and data in this product data sheet are accurate to the best of our knowledge and belief, but are intended for general information only. Applications suggested for the materials are described only to help readers make their own evaluations and decisions, and are neither guarantees nor to be construed as express or implied warranties of suitability for these or other applications. Data referring to mechanical properties and chemical analyses are the result of tests performed on specimens obtained from specific locations with prescribed sampling procedures; any warranty thereof is limited to the values obtained at such locations and by such procedures. There is no warranty with respect to values of the materials at other locations. AK Steel and the AK Steel logo are registered trademarks of AK Steel Corporation. SPECIFICATIONS Types 316 and 316L Stainless Steel sheet and strip are covered by the following specifications: Type 316 Type 316L AMS 5524 AMS 5507 ASTM A 240 ASTM A 240 ASTM A 666 ASTM A 666 PHYSICAL PROPERTIES Density, 0.29 lbs/in3 7.99 g/cm3 Electrical Resistivity, microhm-in (microhm-cm) 68°F (20°C) – 29.4 (74) Specific Heat, BTU/lb/°F (kJ/kg•K) 32 - 212°F (0-100°C) – 0.12 (0.50) Thermal Conductivity, BTU/hr/ft2 /ft/°F (W/m•K) at 212°F (100°C) – 9.4 (16.2) at 932°F (500°C) – 12.4 (21.4) Modulus of Elasticity, ksi (MPa) 28.0 x 103 (193 x 103 ) in tension 11.2 x 103 (77 x 103 ) in torsion Mean Coefficient of Thermal Expansion, in/in/°F (μm/m•K) 32 - 1212°F(0 - 100°C) – 8.9 x10-6 (16.0) 32 - 1600°F(0 - 315°C) – 9.0 x10-6 (16.2) 32 - 1000°F(0 - 538°C) – 9.7 x10-6 (17.5) 32 - 1200°F(0 - 649°C)–10.3 x 10-6 (18.5) 32 - 1500°F(0 - 871°C) –11.1 x10-6 (19.9) Magnetic Permeability, H = 200 Oersteds, Annealed – 1.02 max. Melting Range, °F (°C) – 2500 - 2550 (1371 - 1399) CORROSION RESISTANCE Types 316 and 316L Stainless Steels ex- hibit better corrosion resistance than Type 304. They provide excellent pitting resistance and good resistance to most chemicals involved in the paper, textile and photographic industries. HEAT TREATMENTS Types 316 and 316L are non-hardenable by heat treatment. Annealing: Heat to 1900 - 2100°F (1038 - 1149°C), then rapidly quench. FORMABILITY Types 316 and 316L can be readily formed and drawn. WELDABILITY The austenitic class of stainless steels is generally considered to be weldable by the common fusion and resistance techniques. Special consideration is re- quired to avoid weld ”hot cracking“ by assuring formation of ferrite in the weld deposit. These particular alloys are gen- erally considered to have poorer weldability than Types 304 and 304L. A major difference is the higher nickel con- 7100-0096 7/07© 2007 AK Steel Corporation tent for these alloys which requires slower arc welding speed and more care to avoid hot cracking. When a weld filler is needed, AWS E/ER 316L and 16-8-2 are most often specified. Types 316 and its low-carbon ”L“ version are well known in reference literature and more informa- tion can be obtained in this way. METRIC CONVERSION Data in this publication are presented in U.S. customary units. Approximate metric equivalents may be obtained by performing the following calculations: Length (inches to millimeters) – Multiply by 25.4 Strength (ksi to megapascals or meganewtons per square meter) – Multiply by 6.8948 9227 Centre Pointe Drive AK Steel Corporation West Chester, OH 45069 www.aksteel.com Customer Service 800-331-5050