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■ Overview
High carbon and chromium-molybdenum alloy structural steel materials AISI 4140 round bar is utilized in most industry sectors for a wide range of applications including machinery parts, components, axles, molds, and shafts.Original mill certificate with EN 10204 3.2 ABS approval issued along with delivery AISI 4130 round bars.Quenching and Tempering heat treatment can be choosed for AISI 4140 round bar and SAE 4140 round bar.
■ Full Data
Technical Requirements & Additional Services for AISI 4140 round bar:
♦ High tension test
♦ Hardness test for AISI 4140 round bar
♦ Heat treatments with Annealed,Normalized,NT or QT
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and painting,Cutting and welding,Bundling as per end user’s demands
♦ High tension test
♦ Hardness test for AISI 4140 round bar
♦ Heat treatments with Annealed,Normalized,NT or QT
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and painting,Cutting and welding,Bundling as per end user’s demands
■ Techicals
►Mechnical property for AISI 4140 round bar
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AISI 4140 round bar |
||
|
Yield strength (≥Mpa) |
Tensile strength (≥Mpa) |
Elogation in 50mm min. % |
|
620 |
825 |
15 |
►Chemical composition for AISI 4140 round bar (Heat Analysis Max%)
|
Main chemical elements composition of AISI 4140 round bar |
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|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
0.38-0.43 |
0.75-1.00 |
0.035 |
0.040 |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
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