St37.4 St 52.4 Precision Hydraulic Cold Drawn Carbon Steel Pipe

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Model NO.: ST37.4 ST 52.4
• Surface Treatment: Ba(Bright Annealed), Electrolytic Polishing
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Mining, Special Purpose
• Section Shape: Round
• Standard: DIN 2391/En 10305/SAE J524/ASTM A269/En 10216
• Delivery Condition: Bk, Bkw, Nbk
• Steel Grade: St37.4/St52.4/E235/E355/A822/1008-1010/Cfs360
• Secondary or Not: Non-Secondary
• Certificate: ISO 9001 Ts16949
• Application: Automotive,Hydraulic System and Precision Device
• Transport Package: Box or Bundles
• Specification: OD1-60mm
• Trademark: CW/OEM
• Origin: China
• HS Code: 7304319000

Product Description

 

Hydraulic Carbon Tube 

Detailed Photos

1.Material:
  Carbon steel E235 ST37.4 and Stainless steel

2.Surface treatment:
   Bright Annealing
   Black Phosphated
   Cr 6 Free Galavanizing

3.High pression with lower tolerance

4.Good surface condition with lower roughness

5.Good mechanical:
   performance and withstand high pressure for application

 

Advantages

 

Standard		Material	Delivery	Surface	Sizes
DIN	2391/1630/2445	ST37.4 ST52.4	NBK	1) BA	OD2 -60mm × WT0.3 -10mm
EN	10305-4	E235, E355	(+) N	2) Black phosphated
ASTM	A822-A450	A822		3) Galvanizing	OD0.079-2.36 inch ×WT0.012-0.394inch
SAE	J524	1010		Silver; yellow; oilve green Galvanizing
BS	3602	CFS 360		Layer thickness: min 8um
ASTM	A269	316L	BA	BA+Polishing
EN	10216-5	1.4404	CFP	CFA+Polishing
Other steel grades also available upon request

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:
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension
B. Hydraulic cylinders (HPZ)
Other usage for details as per customers requirements

Manufacture Process

Packaging & Shipping

Other Products

 

FAQ

1. who are we? We are based in Jiangsu, China, start from 2010,sell to Eastern Asia(20.00%),Mid East(20.00%),Eastern Europe(15.00%),Southeast Asia(15.00%),Northern Europe(10.00%),Domestic Market(10.00%),South America(5.00%),Western Europe(5.00%),South Asia(0.00%),North America(0.00%),Oceania(0.00%),Southern Europe(0.00%),Central America(0.00%),Africa(0.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment;

3.what can you buy from us? Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, Stainless Steel Tube

4. why should you buy from us not from other suppliers? Production: Advanced production line and drawing with special oil to make the surface in best condition. Lower roughness and good mechanical performance. Inspection before delivery: Professional team for inspection and randomly check

5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU; Accepted Payment Currency:USD,EUR,HKD,CNY; Accepted Payment Type: T/T,L/C,MoneyGram; Language Spoken:English,Chinese,Spanish,Japanese

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.