En10305-1 En10305-3 Automobile Shock Absorber Cylinder 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: En10305-1 En10305-3DIN2391 2393,ASTM A519,GB/T8713
• Delivery Condition: Bkw, Bkw, Nbk,+Cr1 +Sr,Cold Drawn
• Steel Grade: E355,235,St45,52,Q345b,16mn,10#,20#,1010,1020
• Certificate: ISO 9001 Ts16949
• Secondary or Not: Non-Secondary
• Application: Automotive,Hydraulic System and Precision Device
• Size: Size as Per Real Request
• Transport Package: Plywood Box or Bundles
• Specification: OD5-150mm
• Trademark: CW
• Origin: China
• HS Code: 7304319000

Product Description

E355 ST52 Seamless Automotive Chassis Steel Tube

Detailed Photos

 

Product Description

The working cylinder and liquid storage cylinder are composed of precision steel pipe, which is one of the important components of the shock absorber and the preferred component to achieve the lightweight of the shock absorber.
Cylinder: Provides reciprocating movement of the piston rod within the cylinder block. The key characteristics are inner surface, inner and outer diameter tolerances, roughness, etc.
 

Specifications

 

EN10305-1 EN10305-3	E355 E235 E410 E470 C45E
DIN2391 DIN2393	ST52 ST45
ASTM A519	SAE1020 SAE1045 SAE1026
GB/T 8713	20# 45# 16Mn Q345B Q345D Q345E 42CrMo 27SiMn
ASTM A513	1010, 1020, 1030
JIS G3445	STKM 11, STKM 12, STKM13

Specifications:

1. OD:18-63.5mm
2. Thickness:1.0-6.0mm
3. Surface Treatment:Oiled
4. Delivery Condition:Cold drawn/cold rolled

Other standard and material:
Welding and mandrel drawn welding tubes

Standard		Steel Grades	Size Range
DIN	2393	St34-2/37-2/44-2/52-3	OD5 - 150mm × WT0.5-10-mm
	2394	St 34-2/St 37-2/St 44-2/St 52-3	OD5 - 150mm × WT0.5-10-mm
EN	10305-2	E195/235/275/355	OD5 - 150mm × WT0.5-10-mm
	10305-3	E195/235/275/355	OD5 - 150mm × WT0.5-10-mm
	10305-5	E195/235/275/355	OD5 - 150mm × WT0.5-10-mm
	10305-6	E195/235/275/355	OD5 - 150mm × WT0.5-10-mm
JIS	G3445	STKM11/12/13/etc	OD5 - 150mm × WT0.5-10-mm
ASTM	A512	1010/1020/1025/1030	OD5 - 150mm × WT0.5-10-mm
ASTM	A513 TYPE 5	1010/1020/1025/1030	OD5 - 150mm × WT0.5-10-mm
SAE	J525	low carbon steel	OD5 - 150mm × WT0.5-10-mm
	J526	low carbon steel	OD5 - 150mm × WT0.5-10-mm
NF	A49-341	TS30a/TS34a/TS42a/TS37a	OD5 - 150mm × WT0.5-10-mm
BS	6323(-6)	CWS2/CWS4/CWS5	OD5 - 150mm × WT0.5-10-mm

 

COLD DRAWN SEAMLESS STEEL TUBE
Standards		Steel Grades	Size Range
DIN	2391	ST35/45/52	OD5 - 150mm × WT0.5-10-mm
	1629	ST37/44/52	OD5 - 150mm × WT0.5-10-mm
	1630	ST37.4/44.4/52.4	OD5 - 150mm × WT0.5-10-mm
	2445	ST35/ST52/ST37.4//52.4	OD5 - 150mm × WT0.5-10-mm
GB/T	8162	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD5 - 150mm × WT0.5-10-mm
	8163	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD5 - 150mm × WT0.5-10-mm
	3639	10/20/16Mn/35/45/30CrMo/42CrMo/etc	OD5 - 150mm × WT0.5-10-mm
EN	10305-1	E215/235/255/355	OD5 - 150mm × WT0.5-10-mm
	10305-4	E215/235/255/355	OD5 - 150mm × WT0.5-10-mm
ASTM	A822-A450	A822	OD5 - 150mm × WT0.5-10-mm
	A179-A450	A179	OD5 - 150mm × WT0.5-10-mm
	A519	1010/1015/1025/1030/1045/4130/4140/etc	OD5 - 150mm × WT0.5-10-mm
SAE	J524	Low carbon steel	OD5 - 150mm × WT0.5-10-mm
JIS	G3445	STKM11A/12A/12B/12C/13A/13B/13C/S45C/etc	OD5 - 150mm × WT0.5-10-mm
	G3455	STS35/38/42/49	OD5 - 150mm × WT0.5-10-mm
ISO	8535	ST 35 / 45 / 52/ 37.4 / 44.4 /52.4	OD5 - 150mm × WT0.5-10-mm
NF	A49-310	TU37b/TU52b	OD5 - 150mm × WT0.5-10-mm
BS	3602	CFS 360	OD5 - 150mm × WT0.5-10-mm
	6323(-4)	CFS2/CFS3/CFS4/CFS5	OD5 - 150mm × WT0.5-10-mm
GOST	8733-74	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD5 - 150mm × WT0.5-10-mm
	8734-75	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD5 - 150mm × WT0.5-10-mm
	9567-75	10/20/35/45/10Г2/15Х/20Х/40Х/30ХГСА/15ХМ	OD5 - 150mm × WT0.5-10-mm

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Applications

1. Shock Absorber
2. Hydraulic Cylinder
3. Gas Spring
4. Seat Lifter Pipe
5. Motor Casing Pipe
6. Seat Modulator Pipe, etc.

 

Manufacture Process

Seamless:

Welding:

 

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