China 12L14 Cold Finished Steel Round Bar 12L14 Free Cutting Steel

Size:3mm to 100mm
Type: cold drawn steel round ,square,hex bars
Length:as required
Delivery condition:Cold drawn / Cold finished / CD bars
Specification: 12L14 free cutting steel

Material No.: 1.9718Standard:ASTM A29 / A29M International steel grades: JIS: ~ SUM 22 L, ~ SUM 23 L,

1.12L14 chemical composition

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

2.Application:
Free-cutting steel for bulk applications for joining elements in mechanical engineering and automotive components.
3.Tolerance:

NOMINAL SIZE DIAMETER mmh9h10h111 to 3-0.025-0.04-0.06(-0.00098")(-0.00158")(-0.00236")Over 3 to 6-0.03-0.048-0.075(-0.00118")(-0.00189")(-0.00295")Over 6 to 10-0.036-0.058-0.09(-0.00142")(-0.00228")(-0.00354")Over 10 to 18-0.043-0.07-0.11(-0.00169")(-0.00275")(-0.00433")Over 18 to 30-0.052-0.084-0.13(-0.00205")(-0.00331")(-0.00512")Over 30 to 50-0.062-0.1-0.16(-0.00244")(-0.00393")(-0.00630")Over 50 to 80-0.074-0.12-0.19(-0.00291")(-0.00472")(-0.00748")Over 80 to 120-0.087-0.14-0.22(-0.00343")(-0.00551")(-0.00866")

4.Starightness:1mm/m (max)
5.Delivery time: usually 7-15 days for stock items, and 30 days for new production
6.Packing: anti-rust good export packing

Thickness [mm] >16 - 40 0,2% proof stress Rp0,2 [N/mm²] min. 200 Tensile strength Rm [N/mm²] min. 380 Hardness [HB] min. 113

Condition of delivery: Cold drawn Thickness [mm] >16 - 40 0,2% proof stress Rp0,2 [N/mm²] min. 375 Tensile strength Rm [N/mm²] min. 470 Hardness [HB] min. 139

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