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AISI 1055 SAE UNS G10550
Carbon Steel Foundry
Steel foundry in China for producing
AISI 1055 SAE UNS G10550 Carbon Steel castings. The followings are
this material's chemical composition, physical and mechanical
properties and equivalent material grades.
The following
sections will give an overview of AISI 1055 carbon steel in detail.
Chemical
Composition
The chemical
composition of AISI 1055 carbon steel is outlined in the following
table.
|
Element |
Content
(%) |
|
Iron,
Fe |
98.41-98.9 |
|
Manganese, Mn |
0.60-0.90 |
|
Carbon,
C |
0.50-0.60 |
|
Sulfur,
S |
≤ 0.050 |
|
Phosphorous, P |
≤ 0.040 |
Physical
Properties
The physical
properties of AISI 1055 carbon steel are tabulated below.
|
Properties |
Metric |
Imperial |
|
Density |
7.85
g/cm3 |
0.284
lb/in3 |
Mechanical
Properties
The following
table shows mechanical properties of the cold drawn AISI 1055 carbon
steel.
|
Properties |
Metric |
Imperial |
|
Tensile
strength, ultimate |
660 MPa |
95700
psi |
|
Tensile
strength, yield |
560 MPa |
81200
psi |
|
Modulus
of elasticity |
190-210
GPa |
29700-30458 ksi |
|
Bulk
modulus (typical for steel) |
140 GPa |
20300
ksi |
|
Shear
modulus (typical for steel) |
80 GPa |
11600
ksi |
|
Poissons ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break (in 50 mm) |
10% |
10% |
|
Reduction of area |
40% |
40% |
|
Hardness, Brinell |
197 |
197 |
|
Hardness, Knoop (converted from Brinell hardness) |
219 |
219 |
|
Hardness, Rockwell B (converted from Brinell hardness) |
92 |
92 |
|
Hardness, Rockwell C (converted from Brinell hardness. Value
below normal HRC range, for comparison purposes only) |
13 |
13 |
|
Hardness, Vickers (converted from Brinell hardness) |
207 |
207 |
|
Machinability (based on AISI 1212 steel. as 100
machinability) |
55 |
55 |
Thermal
Properties
The thermal
properties of AISI 1055 carbon steel are given in the following
table.
|
Properties |
Metric |
Imperial |
|
Thermal
expansion co-efficient |
11
µm/m°C |
6.11
µin/in°F |
|
Thermal
conductivity |
49.8 W/mK |
346 BTU
in/hr.ft2.°F |
Other
Designations
Other
designations that are equivalent to AISI 1055 carbon steel include
the following:
DIN 1.1209
ASTM A29
ASTM A510
ASTM A576
ASTM A682
FED QQ-S-700
(1055)
SAE J403
SAE J412
SAE J414
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