China 12L14 Free Cutting Steel Hexagon Bar Hex Bars

12L14 Free Cutting Steel Hexagon Bar / Hex bars
Free-cutting steel for bulk applications for joining elements in mechanical engineering and automotive components.
12l14 Cold Drawn Steel Square Bar
12l14 Cold Drawn Steel Round Bar
12l14 Cold Drawn Steel Hex Bar
Sizes:0.5mm-100mm
Length:as required
Surface:bright
Tolerance:h9 h10 h11
Straightness:0.2mm/m
MOQ:1tons
SAE 12L14
Material No.: 1.9718
Standard:ASTM A29 / A29M
International steel grades: JIS: ~ SUM 22 L, ~ SUM 23 L,

ElementContent (%)
Iron, Fe97.91 - 98.7
Manganese, Mn0.85 - 1.15
Sulfur, S0.260 - 0.35
Lead, Pb0.15 - 0.35
Carbon, C 0.15
Phosphorous, P0.040 - 0.090

PropertiesMetric
Imperial
Tensile strength540 MPa
78300 psi
Yield strength415 MPa
60200 psi
Bulk modulus (typical for steel)140 GPa
20300 ksi
Shear modulus (typical for steel)80.0 GPa
11600 ksi
Elastic modulus190-210 GPa
27557-30458 ksi
Poisson's ratio0.27-0.30
0.27-0.30
Elongation at break10%
10%
Reduction of area35%
35%
Hardness, Brinell163
163
Hardness, Knoop (converted from Brinell hardness)184
184
Hardness, Rockwell B (converted from Brinell hardness)84
84
Hardness, Vickers (converted from Brinell hardness)170
170
Machinability (based on 100 machinability for AISI 1212 steel)160
160

We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries , if you have any need for our producrs,please contact us freely.
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