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MECHANICAL PROPERTIES
Steel Mechanical Properties

AISI 12L14 Steel, cold drawn, 19-38 mm round

COMPONENT
WT. %
C
Max 0.15
Fe
97.91 - 98.7
Mn
0.85 - 1.15
P
0.04 - 0.09
Pb
0.15 - 0.35
S
0.26 - 0.35

PHYSICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Density
7.87 g/cc
0.284 lb/in³
Typical for steel

MECHANICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Hardness, Brinell
163
163
Hardness, Knoop
184
184
Converted from Brinell hardness
Hardness, Rockwell B
84
84
Converted from Brinell hardness
Hardness, Vickers
170
170
Converted from Brinell hardness
Tensile Strength, Ultimate
540 MPa
78300 psi
Tensile Strength, Yield
415 MPa
60200 psi
Elongation at Break
10%
10%
Reduction of Area
35%
35%
Modulus of Elasticity
200 GPa
29000 ksi
Typical for Steel
Bulk Modulus
140  GPa
20300 ksi
Typical for Steel
Poisson's Ratio
0.29
0.29
Typical for Steel
Machinability
160%
160%
Based on 100% machinability for
AISI 1212 steel
Shear Modulus
80 GPa
11600 ksi
Typical for Steel

ELECTRICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Electrical Resistivity
1.74e-005
ohm-cm
1.74e-005
ohm-cm
Typical for steel

THERMAL PROPERTIES
METRIC
ENGLISH
COMMENTS
CTE, linear 20°C
11.5 µm/m-°C
6.39 µin/in-°F
CTE, linear 250°C
12.2 µm/m-°C
6.78 µin/in-°F
Converted from Brinell hardness
CTE, linear 500°C
13.9 µm/m-°C
7.72 µin/in-°F
Converted from Brinell hardness
CTE, linear 1000°C
14.7 µm/m-°C
8.17 µin/in-°F
Converted from Brinell hardness
Specific Heat Capacity
0.472 J/g-°C
0.113 BTU/lb-°F
Thermal Conductivity
51.9 W/m-K
360 BTU-in
/hr-ft²-°F

Stainless Steel Mechanical Properties

AISI Type 303 Se Stainless Steel, cold drawn, bar, tested at RT

COMPONENT
WT. %
C
Max 0.15
Cr
18
Fe
69
Mn
Max 2
Ni
9
P
Max 0.2
S
Max 0.06
Se
Max 0.15
Si
Max 1

PHYSICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Density
8 g/cc
0.289 lb/in³

MECHANICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Hardness, Brinell
228
228
Hardness, Knoop
251
251
Converted from Brinell hardness
Hardness,
Rockwell B
96
96
Converted from Brinell hardness
Hardness,
Rockwell C
19
19
Converted from Brinell hardness.
Value below normal HRC range, for comparison only
Hardness, Vickers
240
240
Converted from Brinell hardness
Tensile Strength, Ultimate
690 MPa
100000 psi
Tensile Strength, Yield
415 MPa
60200 psi
at 0.2% offset
Elongation at Break
40%
40%
in 50 mm
Modulus of Elasticity
193 GPa
28000 ksi
tension
Poisson's Ratio
0.25
0.25
Calculated
Shear Modulus
77.2 GPa
11200 ksi

ELECTRICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Electrical Resistivity
7.2e-005
ohm-cm
7.2e-005
ohm-cm

THERMAL PROPERTIES
METRIC
ENGLISH
COMMENTS
CTE, linear 20°C
17.2 µm/m-°C
9.56  µin/in-°F
from 0-100°C
CTE, linear 250°C
17.8  µm/m-°C
9.89  µin/in-°F
at 0-315°C (32-600°F)
CTE, linear 500°C
18.4  µm/m-°C
10.2  µin/in-°F
at 0-540°C, 18.7 µm/m-C
at 0-650°C
Specific Heat Capacity
0.5 J/g-°C
0.12  BTU/lb-°F
from 0-100°C (32-212°F)
Thermal Conductivity
16.2  W/m-K
112  BTU-in
/hr-ft²-°F
at 100°C (212°F), 21.5 W/m-K at 500°C (930°F)
Melting Point
1400 - 1420 °C
2550 - 2590 °F
 
Solidus
1400 °C
2550 °F
 
Liquidus
1420 °C
2590 °F
 

Brass Mechanical Properties

Free-Cutting Brass, UNS C36000

COMPONENT
WT. %
C
60 - 63
Fe
Max 0.35
Other
Max 0.5
Pb
2.5 - 3.7
Zn
35.5

PHYSICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Density
8.49 g/cc
0.307 lb/in³
at 20°C (68°F)

MECHANICAL PROPERTIES
METRIC
ENGLISH
COMMENTS
Tensile Strength, Ultimate
338 - 469 MPa
49000 - 68000 psi
Tensile Strength, Yield
124 - 310 MPa
18000 - 45000 psi
Depending on temper
Elongation at Break
53%
53%
in 457.2 mm
Modulus of Elasticity
97 GPa
14100 ksi
Bulk Modulus
140  GPa
20300 ksi
Typical for Steel
Poisson's Ratio
0.31
0.31
Calculated
Machinability
100%
100%
 UNS C36000 (free-cutting brass) = 100%
Shear Modulus
37 GPa
5370 ksi


THERMAL PROPERTIES
METRIC
ENGLISH
COMMENTS
CTE, linear 250°C
20.5 µm/m-°C
11.4  µin/in-°F
from 20-300°C (68-570°F)
Thermal Conductivity
115  W/m-K
798  BTU-in
/hr-ft²-°F
at 20°C (68°F)
Melting Point
885 - 900 °C
1630 - 1650 °F
Solidus
885 °C
1630 °F
Liquidus
900 °C
1650 °F




Zinc Mechanical Properties
MECHANICALPROPERTIES
Zinc
Tensile strength, psi x 1000
41
Yield strength, psi x 100 (0.2 pct offset)
Sheer strength, psi x 1000
31
Fatigue strength, psi x 1000
7
Elongation, pct in 2 in.
10
Hardness (Brinell)
82
Specific gravity
6.60
Weight, lb/cu. in.
0.24
Melting point (liquid), °F
728
Thermal conductivity, CG5
0.27
Thermal expansion, in./in./°F x 106
15.2
Electrical conductivity,
pct of copper standard
27
Modulus of elasticity, psi x 106
Impact strength (Charpy), ft/lb
43.0

CHARACTERISTICS
Zinc
Dimensional stability
Good
Corrosion resistance
Fair
Casting ease
Excellent
Part complexity
Excellent
Dimensional accuracy
Excellent
Die cost
Low
Machining cost
Low
Finishing cost
Low


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