4130 Chromoly Tubing Seamless Round Steel Tube for Bicycle Frame

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon and Alloy
• Surface Treatment: Bright Annealing,Black Phosphating,Galvanizing
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Heat Exchanger
• Section Shape: Round
• Standard: DIN2391,En 10305-1, JIS G3445, ASTM A519
• Delivery Condition: Bk, Gbk, Bkw, Bks or Nbk
• Steel Grade: St35,St45,St52, E235, E355, 1010, Stkm 11A
• Certificate: ISO 9001 Ts16949
• Secondary or Not: Non-Secondary
• Application: Automotive,Hydraulic System and Precision Device
• Transport Package: Plywood Box or Bundles
• Specification: OD2-60mm
• Trademark: CW
• Origin: China
• HS Code: 7304319000

Product Description

 

 

 

Detailed Photos

COLD DRAWN SEAMLESS STEEL TUBE
Standards		Steel Grades	Size Range
DIN	2391	ST35/45/52	OD2 - 60mm × WT0.3 -10mm
	1629	ST37/44/52	OD2 - 60mm × WT0.3 -10mm
	1630	ST37.4/44.4/52.4	OD2 - 60mm × WT0.3 -10mm
	2445	ST35/ST52/ST37.4//52.4	OD2 - 60mm × WT0.3 -10mm
	73000	ST 35 / 45 / 52/ 37.4 / 44.4 /52.4	OD3 - 30mm × ID 1 - 12.5 mm
GB/T	8162	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD2 - 60mm × WT0.3 -10mm
	8163	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD2 - 60mm × WT0.3 -10mm
	3639	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD2 - 60mm × WT0.3 -10mm
	3093	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD3 - 30mm × ID 1 - 12.5 mm
EN	10305-1	E215/235/255/355	OD2 - 60mm × WT0.3 -10mm
	10305-4	E215/235/255/355	OD2 - 60mm × WT0.3 -10mm
ASTM	A822-A450	A822	OD2 - 60mm × WT0.3 -10mm
	A179-A450	A179	OD2 - 60mm × WT0.3 -10mm
	A519	1010/1015/1025/1030/1045/4130/4140/etc	OD2 - 60mm × WT0.3 -10mm
SAE	J524	Low carbon steel	OD2 - 60mm × WT0.3 -10mm
	J529	Low carbon steel	OD3 - 30mm × ID 1 - 12.5 mm
JIS	G3445	STKM11A/12A/12B/12C/13A/13B/13C/S45C/etc	OD2 - 60mm × WT0.3 -10mm
	G3455	STS35/38/42/49	OD3 - 30mm × ID 1 - 12.5 mm
ISO	8535	ST 35 / 45 / 52/ 37.4 / 44.4 /52.4	OD3 - 30mm × ID 1 - 12.5 mm
NF	A49-310	TU37b/TU52b	OD2 - 60mm × WT0.3 -10mm
BS	3602	CFS 360	OD2 - 60mm × WT0.3 -10mm
	6323(-4)	CFS2/CFS3/CFS4/CFS5	OD2 - 60mm × WT0.3 -10mm
ASTM	A269	304,304L, 316, 316L	OD2 - 60mm × WT0.3 -10mm
EN	10216-5	1.4401, 1.4404	OD2 - 60mm × WT0.3 -10mm

Delivery conditions:
BK (+C) BKW (+LC) BKS (+SR) GBK (+A) NBK (+N)
Major Inspection Items: Tensile stength, Yield stength, Elongation, Flattenging, Flaring, Chemical analysis Eddy Current Test
100%, Size and surface checking 100%
Certificates: according to EN 10204 3.1
Applications:
1. For Vehicle (Automotive, locomotive, Construction Machinery like Concrete pump and others)
A. Powertrain system:
• Fuel-rails • Fuel-lines • Common-rail diesel lines • Piston-cooling jets • SCR & EGR
• Rigid pipes • Oil- & water-cooling pipes
B. Fluid handling systems
• Tube assemblies • Air-conditioning tube • Clutch actuator pipes C. Drive and steering system • Ingrain Gear Pipes •
Power-Steering Feed-Pipes
D. Hydraulic system
• Hydraulic and Pneumatic Pressure Lines • Hydraulic fittings • Hydraulic tubing
E. Others For example
• Front axles • Sun-shading board wire tube and other wire tubes • Headrest chair Tube

2. Mechanical and engineering usage
• Mechanic Processing and parts • Metal processing •Heat Exchange • Gas Cylinders
•Sub-sea and Marine • Aerospace • Winder Power Equipment •Energy and Power Generation •Bearings • etc

Other usage for details as per customers requirements

 

Manufacture Process

Company Profile

Chewit International

Chewit international Located in zhangjiagang city which is along The Yangtze Golden Channel the junction of River and Coast Economic Belt. It owns an excellent geographic position, as it is close to Nanjing city in the north, adjacent to Suzhou and Wuxi cities in the south, next to Shanghai international city in the east. Zhangjiagang international port and State highway endow us a convenient water and land transportation which links us to the outside world both home and aboard. Chewit International is one group company with two manufactures one is producing steel forgings for Marine, Power, Boiler, Ocean, Oil, Petrochemical, Mechanical and Hydraulic fields and the other is producing precision steel tubes for automotive industry and hydraulic system and also one semi-independent company specially for import and export business. We have a total area of 150000 square meters with the employees over 200 people. All the products well produced by our mills need to be double inspected by chewit professional quality controller and then we will offer our customer the vivid report for the tested items. Only those products which are inspected well can be allowed to delivery to our customers. By the means of strict inspection, we wined a lot of customer for long term business both home and abroad. We adhere to our company tenet Customer First, Quality formost and always try our best to serve our customer with our full heart.

Packaging & Shipping