SUM23 11SMn30 1.0718 1.0715 SUM22L 12L14 free cutting steel rod cold drawn rod China manufactuer
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),can be 0.2mm/M
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.
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