Cold Rolled ASTM A519 Grade 1018 Seamless Pipe

 1018 is one of the many grades in the A519 specification and can be used as a low carbon alloy steel pipe. 1018 and 1020 are two very common grades, although very similar, but there are a few subtle differences in the content of chemical elements.

1018 Steel Pipe Chemical Composition

Element
Content
Carbon, C
0.14 – 0.20 %
Iron, Fe
98.81 – 99.26 % (as remainder)
Manganese, Mn
0.60 – 0.90 %
Phosphorous, P
≤ 0.040 %
Sulfur, S
≤ 0.050 %

1018 Pipe Mechanical Properties

Properties
Metric
Imperial
Hardness, Brinell
126
126
Hardness, Knoop (Converted from Brinell hardness)
145
145
Hardness, Rockwell B (Converted from Brinell hardness)
71
71
Hardness, Vickers (Converted from Brinell hardness)
131
131
Tensile Strength, Ultimate
440 MPa
63800 psi
Tensile Strength, Yield
370 MPa
53700 psi
Elongation at Break (In 50 mm)
15.0 %
15.0 %
Reduction of Area
40.0 %
40.0 %
Modulus of Elasticity (Typical for steel)
205 GPa
29700 ksi
Bulk Modulus (Typical for steel)
140 GPa
20300 ksi
Poissons Ratio (Typical For Steel)
0.290
0.290
Machinability (Based on AISI 1212 steel. as 100% machinability)
70 %
70 %
Shear Modulus (Typical for steel)
80.0 GPa
11600 ksi

1018 low carbon Seamless steel pipe has good surface hardness, and at the same time has advantages over most other grades in ductility and workability, cold rolled 1018 pipe is a better steel for carburized parts because it can produce harder , more uniform parts.


From:http://boilersteelpipe.com/pro/smls/cold-rolled-astm-a519-grade-1018-seamless-pipe.html

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