Quality control:
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.
Supply Form & Size
Form of Supply | Size(mm) | Length(mm) |
Round bar | 6.0mm-120mm | 2.5m-6m |
Chemical Composition&Related Specifications
Grade | C | Mn | S | P | Pb |
12L14 | ≤0.15 | 0.85~1.15 | 0.26~0.35 | 0.04~0.09 | 0.15~0.35 |
Brand comparison table
AISI/SAE | DIN/EN | BS | JIS/KS | China |
12L14 | 11SMnPb37(1.0737) | 11SMnPb30(1.0718) | SUM22L | Y15Pb |
Mechanical Property
tensile strength σb (MPa) | 380-460 |
elongation δ5 (%) | 20-40 |
Reduction of area ψ (%) | 35-60 |
hardness | 100-150HBW |