Cold Rolled Stkm11A Round Seamless Steel Pipe Precision Honed Tube Cylinder Tube

Product Description

Seamless precision steel tubes are produced using the cold drawn process and cold rolling. Seamless steel tubes can be supplied as cut tubes and bent tubes. Cut tubes are designed especially for manufacturers of automotive components.

Type	Seamless Precision Steel Tube
Shape	Round, Square, oval, flat oval, semicircular, hexagon, equilateral triangular, octagon, etc. (or as customers' demands)
Technique		Cold Drawing (Normal)	Cold Drawing (High Precision)		Cold Rolling
Size Range	Outer Diameter (OD)	4mm~325mm			4mm~273mm
	Wall Thickness (WT)	0.5mm~30mm			0.3mm~25mm
Tolerance	Outer Diameter (OD)	±0.1~0.5mm	±0.05mm~0.3mm		2 high: ±0.05~0.2mm
					3 high: ±0.025mm~0.1mm
	Inner Diameter (ID)	±0.1~0.5mm	±0.05mm~0.5mm		2 high: ±0.05~0.2mm
					3 high: ±0.025mm~0.1mm
	Wall Thickness (WT)	±10%	±0.05~0.3mm (maximum±7.5%)		±0.05mm~0.3mm (maximum±7.5%)
Straightness		1mm/m	0.5~1.0mm/m		0.5mm~1.0mm/m
Concentricity		±7.5%	0.05mm~0.3mm (maximum±7.5%)		0.05~0.3mm (maximum±7.5%)
Surface Roughness			0.8~1.6μm		0.8~1.2μm
Length		2000mm, 2500mm, 3000mm, 5800mm, 6000mm,12000mm, etc. (or as customers' demands)
Standard		EN DIN BS GOST ASTM ASME
Grades		Stainless Steel	200 Series	201, 202, 204, 205, 216...
			300 Series	301, 302, 303, 304, 304L, 309, 309S, 310, 310s, 316, 316L, 316Ti, 317L, 321, 347, 347H...
			400 Series	409, 409L, 410, 410S, 420, 430, 431, 434, 439, 440, 441, 444...
			Duplex Series	UNS S22053, S22253, S31500, S31803, S32205, S32304, S32900...
		Carbon Steel	ASTM A53 Gr. A/ Gr. B; ASTM A106 Gr. A/ Gr. B/ Gr. C; ASTM A192; ASTM A333 Gr. 1/2/3/4/5/6; API 5L Gr. A/ B, X42, X46, X52, X56, X60, X65, X70, X80; AISI 1010/1018/1020/1035/1040/1045 ...
		Alloy Steel	A335 P1/P2/P5/P9/P11/P12/P22/P23/P36/P91/P92 A213 T2/T5/T9/T11/T12/T22/T23/T36/T91/T92 AISI 2515/3310/3415/4130/4140/4340/5115/5120/5140/6150/8620/9255/9840 ...
Tip: The above standard and grades are just for reference. We can also produce customized products according to your requests.
Inspection		Mandatory testing: (a) cast / chemical analysis (b) tensile test, (c) dimensional inspection, (d) visual inspection of the tubes surface. Optional testing: (a) flattening test or drift expanding test, (b) roughness measurement NDT to find longitudinal defects, (c) eddy current, (d) stray flux, (e) ultrasound.
Ends		The tubes with deburred ends or ends customized for welding.
		The ends are vertical to the longitudinal axis and are without burrs.
Application		Precision steel tubes HYT produces can meet the requirements for the following applications: components for the vehicle drivetrain, cars suspension systems, fuel injection, components for engine and transmission, components for body and chassis, vehicle control systems, mechanical structures, hydraulic equipment, etc.
Non-standard custom production and processing is always a core business of Jiangsu HYT International. With tube details that you offer, such as size, shape, outer diameter, etc. or a detailed drawing, we can produce tubes exactly as you want.

1) Are you manufacturer or trading company? 
We are integration of manufacturer and trading. 
2) Where is your factory?
We are a group, in order to meet different demands from our customers, we had developed many subsidiary corporations in Shandong, Tianjin, Hebei,Jiangsu and Shanghai.
3) What's the delivery time?
If we have inventory, it is 3-7 days. Generally speaking, it's around 15 days from the date of receiving payment.

If there any more question, please feel free to contact the sales without any hesitate.

Jiangsu HYT International Trading Co., Ltd was established in 2010, which is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co., Ltd.. Jiangsu HYT International Trading Co. Is responsible for the overseas marketing business of various metal products produced by our group. We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dediceted in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.
Our group is a modern industrial enterprise integrating production, development, sales and service... We have a complete and effective quality management and quality assurance system, we had passed the ISO 9001: 2008 Quality Management System Certification, the National Special Equipment Manufacturing License (Pressure Pipeline Level A2), ISO 14001: 2004 Environmental Management System Certification, OHSAS18001: 2001 Occupational Health and Safety Management System Certification and Classification Society Certification.