Sum24L 1215 Free Cutting Steel Equivalent Bright Mild Steel Rod

• Type: Carbon Steel Bar
• Standard: AISI, ASTM, GB, JIS
• Technique: Cold Drawn
• Application: Free Cutting Steel
• Surface Treatment: Polished
• Alloy: Non-alloy
• Model NO.: free cutting steel
• Special Use: Free Cutting Steel
• Steel Bar: Mild Steel Bar
• Round Bar: Square Bar
• Flat Bar: Hexgonal Steel
• Freel Cutting Steel: Easy Machining Steel
• Transport Package: Anti-Rust Packaging
• Specification: dia: 5mm-100mm
• Trademark: dajin
• Origin: China
• Production Capacity: 1000

Product Description

12L14 Free cutting bright mild steel rod
Free cutting steel sum24l free cutting steel equivalent

12L14 free-cutting steel is a lead-sulfur composite free-cutting structural steel, which meets the limit requirements of the European Union RoHS Directive 2002/95/EC Renewal Directive 2011/65/EU Appendix II (lead content in alloying elements in steel is less than 0.35%) ) Testing requirements.


12L14 is a free-cutting structural steel that is produced to accommodate machining automation and production lines. This type of steel can be machined with higher cutting speeds and deeper cutting weights, and the cutting resistance is reduced due to the easy-cutting elements added to the steel and the compound is formed by the addition of the elements themselves and the resulting compound. The function of the part makes the chips easy to break and reduces the wear, which improves the smoothness and precision of the parts to be machined, and improves the tool life and production efficiency.

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

12L14  free cutting steel 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

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

12L14 Machining
12L14 is a premium free cutting steel grade suitable for all types of high production and repitition machining.
Cold finished round bar tolerance
Free cutting Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 4 min places of the bar length and tagged properly.
*Anti-rust oil paint
* plastics bag wrapped,wooden box,wooden pallet

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