Europe Style For Cold Drawn Precision Steel Tubes – Cold Rolled Mechanical Steel Tubes – Haihui

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Europe Style For Cold Drawn Precision Steel Tubes – Cold Rolled Mechanical Steel Tubes – Haihui Detail:

Mechanical tubes are used in mechanical and light structural applications.

Mechanical tubing is produced to meet specific end-use requirements, specifications, tolerances and chemical properties.

Piping for mechanical and light structural applications. This allows for a more specific uniformity of properties throughout the pipe compared to standard pipes or ducts. Mechanical tubes can be produced to standard specifications when required, but are usually produced to “typical” performance, with a primary focus on yield strength for precise dimensions and wall thickness. In some heavily formed applications, the yield strength may not even be specified, and the production of mechanical tubes is “fit for use”. Mechanical piping includes a wide range of structural and non-structural applications.

We apply our metallurgical and production expertise to manufacture high-performance seamless mechanical tube products to meet your needs.

This includes carbon, alloys and even custom steel grades; annealed, normalized and tempered; stress relieved and stress free; and quenched and tempered.

Seamless steel pipes for machinery and automobiles, used in the manufacture and processing of automobile trunk and rear axle pipes, precision equipment, instruments and instruments.

Cold Rolled Mechanical Steel 5
Cold Rolled Mechanical Steel 4
Cold Rolled Mechanical Steel 1

Car frame and rear axle tube.

Manufacture and processing of precision equipment, instruments and instruments.

Delivery terms: GBK, BKS, BK, BKW, NBK.

Check and test: Chemical composition, mechanical properties, appearance and dimensional testing, non-destructive testing, particle size testing.

Surface treatment: Oil immersion, varnish, shot peening.

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
1010	0.08-0.13	0.30-0.60	0.04	0.05	-	-	-
1020	0.18-0.23	0.30-0.60	0.04	0.05	-	-	-
1045	0.43-0.50	0.60-0.90	0.04	0.05	-	-	-
4130	0.28-0.33	0.40-0.60	0.04	0.05	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.04	0.05	0.15-0.35	0.80-1.10	0.15-0.25

Grade	Condition	Tensile strength	Yield stength	Elongation
Grade	Condition	Mpa(min)	Mpa(min)	%(min)
1020	CW	414	483	5
	SR	345	448	10
	A	193	331	30
	N	234	379	22
1025	CW	448	517	5
	SR	379	483	8
	A	207	365	25
	N	248	379	22
4130	SR	586	724	10
	A	379	517	30
	N	414	621	20
4140	SR	689	855	10
	A	414	552	25
	N	621	855	20

Tubular Products special seamless tubing configurations start with the highest quality steels. Grade, chemical analysis and surface condition are carefully considered, and production processes are tailored to achieve the best tubing for the end use.

The configurations are formed from round tube by cold drawing. The tube is drawn over a shaped mandrel or through a shaped die, or both. Improved tolerances, finishes and mechanical properties result.

Seamless and welded tubes for mechanical and general engineering applications. Tubes for construction and structural purposes such as civil structures, foundations, etc.

Standard		Steel Grade
EN	10297	E355
	10210-1/2	S235JRH, S275JOH, S275J2H, S355JOH, S355J2H
	10219-1/2	S235JRH, S275JOH, S275J2H, S355JOH, S355J2H
DIN	1629/2448	St-52
ASTM	A500	Gr. A, Gr. B
	A501	Gr. A, Gr. B
	A618	Gr. I, Gr. II, Gr. III

Supply Conditions	Steel Tubes Provided according to Outside Diameter and Wall Thickness			Steel Pipes Provided according to Outside Diameter, Inside Diameter and Wall Thickness		Steel Tubes with the Outside Diameter of 77 mm, Inside Diameter of 57 mm and the Wall Thickness of 10 mm
Allowable Deviation of Diameter and Wall Thickness	Size (mm)		Allowable Deviation (%)	Size	Allowable Deviation	Size	Allowable Deviation
	Outside Diameter		±1.0	Outside Diameter	±1.0%	Outside Diameter	+1.0 mm-0.55 mm
	Wall Thickness	≤ 7	6
		﹥7-15	2.5	Inside Diameter	±1.75%	Inside Diameter	+1.5 mm-0.5 mm
		﹥15	5	Wall-Thickness-Difference	≤ 15% of Nominal Wall Thickness	Wall-Thickness-Difference	≤ 15% of Nominal Wall Thickness

Abbr	Corresponding	Application
A511	ASTM A511 / A511M	Specification for Seamless Stainless Steel Mechanical Tubing
A512	ASTM A512 / ASME SA512	Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing
A513	ASTM A513 / A513M	Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
A519	ASTM A519 / A519M	Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
A554	ASTM A554	Specification for Welded Stainless Steel Mechanical Tubing

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Cold Drawn Precision Steel Tubes

Seamless Precision Steel Tubes

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