GB/T 3639 Waterway Cooling Customized Cold Drawn Steel Tube

• Type: Seamless or Welded
• Technique: Cold Drawn
• Material: Carbon
• 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: En10305-3,GB/T 3639,DIN 2391,DIN 2394
• Delivery Condition: Bkw, Bkw, Nbk,+Cr1 +Sr,Cold Drawn
• Steel Grade: E255 E355,20# 16mn,St45 St52,
• Certificate: ISO 9001 Ts16949
• Secondary or Not: Non-Secondary
• Application: Automotive,Hydraulic System and Precision Device
• Od: 10-55mm
• Wt: 1.5-4mm
• Transport Package: Plywood Box or Bundles
• Specification: OD10-55mm
• Trademark: CW
• Origin: China
• HS Code: 7304319000

Product Description

DIN2391 Cold Drawn Steel Tube For Water Cooling Pipe

 

Detailed Photos

Specifications

	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
		8713	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
	GOST	8733-74	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD3 - 250mm×WT0.3 - 24mm
		8734-75	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD3 - 250mm×WT0.3 - 24mm
		9567-75	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD2 - 60mm × WT0.3 -10mm

Standard		Steel Grades	Size Range
DIN	2393	St34-2/37-2/44-2/52-3	OD5 - 60mm × WT0.5-6mm
	2394	St 34-2/St 37-2/St 44-2/St 52-3	OD5 - 60mm × WT0.5-6mm
EN	10305-2	E195/235/275/355	OD5 - 60mm × WT0.5-6mm
	10305-3	E195/235/275/355	OD5 - 60mm × WT0.5-6mm
	10305-5	E195/235/275/355	OD5 - 60mm × WT0.5-6mm
	10305-6	E195/235/275/355	OD5 - 60mm × WT0.5-6mm
JIS	G3445	STKM11/12/13/etc	OD5 - 60mm × WT0.5-6mm
ASTM	A512	1010/1020/1025/1030	OD5 - 60mm × WT0.5-6mm
ASTM	A513 TYPE 5	1010/1020/1025/1030	OD5 - 60mm × WT0.5-6mm
SAE	J525	low carbon steel	OD5 - 60mm × WT0.5-6mm
	J526	low carbon steel	OD5 - 60mm × WT0.5-6mm
NF	A49-341	TS30a/TS34a/TS42a/TS37a	OD5 - 60mm × WT0.5-6mm
BS	6323(-6)	CWS2/CWS4/CWS5	OD5 - 60mm × WT0.5-6mm

 

Product Description

 

It is applied in automotive engine cooling system, to connect engine, radiator, heater and other major components, through convey the coolant to transfer the heat from engine to radiator for cooling and transfer to heater for supplying heat for driving cabinet, then convey the coolant which has been cooled back to engine for next heat cycling

Tube Requirements:

1. Good surface condition
2. High precision and lower tolerance for size
3. Excellent welding properties
4. Special sizing as per drawing
5. Good mechanical performance for the tube

 

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