12L14 Cold drawn steel bar cold rolld steel bars
Bright free cutting steel
1.12L14 cold drawn bar
12L14 is a Re-Sulphurised, Re-Phosphorised Free Maching Steel. This is premium grade of free cutting steel is used by repitition
engineers and general machining for a wide variety of applicaitons. It has excellent machinability and is suitable for case hardening and electroplating.
2.12L14 Cold drawn steel bar Typical applications
Aircraft landing bolts, fasteners, bushings, and shafts,Brake hose ends, pulleys, disc brake pistons, wheel nuts and inserts, control linkages, gear box components (case hardened), domestic garbage bin axles, concrete anchors, padlock shackles,hydraulic fittings,vice jaws (case
Hardened).
3.12L14 cold drawn steel bar main type and avaliable sizes
| Round bars |
5mm-130mm |
| Suqare bar |
6*6mm-100*100mm |
| Flat bars |
3mm*20mm-50mm*100mm |
| Hex bars |
6mm-100mm |
| Bar Finsihe |
Peeled, Cold Drawn, TurnedTurned & Polished, Centreless Ground |
4.12L14 Cold drawn steel bar size tolerance
h9,h10,h11 or other tolerance according to client's requirement
5.12L14 Cold drawn steel bar chemical composition(%)
| C |
Si |
Mn |
P |
S |
Pb |
| Max 0.15 |
Max 0.10 |
0.80-1.20 |
0.04-0.09 |
0.25-0.35 |
0.15-0.35 |
6.12L14 Alternative grade in different standard
| Germany |
DIN 95MnPb28, Werkstoff No. 1.0718 |
| Great Britain |
BS970 230M07 leaded, EN1A Leaded |
| Japan |
JIS: SUM22L |
| USA |
AISI /SAE 12L14 UNS G12144 |
7.12L14 Typical Mechanical Properties - Cold Drawn and Turned and Polished Condition
| Cold Drawn Size mm |
|
up to 16mm |
17 - 38mm |
39 - 100mm |
| Tensile Strength Mpa |
Min |
480 |
430 |
400 |
| Max |
760 |
690 |
630 |
| Yield Strength Mpa |
Min |
350 |
330 |
290 |
| Max |
590 |
550 |
500 |
| Elongation in 50mm % |
Min |
7 |
8 |
9 |
| Hardness HB |
Min |
142 |
120 |
115 |
| Max |
225 |
205 |
185 |
8.Straightness: 1mm/m(max)
9.12L14 Machining
12L14 is a premium free cutting steel grade suitable for all types of high production and repitition machining.
10.12L14 Welding
12L14 is not recommended for welding due to its lead content. It is a health hazard
11. Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
12.Delivery time of steel bar:
7-10days of stock,30 days after order confirmed of new material
13.Payment term:TT or LC
14.Free sample:Yes
15.steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test
16.Our cold drawn factory equipments
We adopt advanced production technology and first-class processing equipments, such as heat treatment furnace, straightening machine, centerless grinding machine, polishing machine, as well as lathing and milling machine etc.
17.Our steel bar mill's certificates
ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;JIS MARK,KS MARK.
With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.
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