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EN10305-2 E235 E355 Cold Drawn Welded Steel Tube for Hydraulic and Pneumatic Systems

Name: EN10305-2 E235 E355 Cold Drawn Welded Steel Tube for Hydraulic and Pneumatic Systems
Brand: Jiangsu Hongbao Group Co., Ltd.
SKU: HBWS-001
Price: 22.00 USD
Availability: InStock

Product Details

Place of Origin: Jiangsu

Brand Name: Hongbao

Certification: TS16949, ISo9001

Model Number: HBWS-001

Payment & Shipping Terms

Minimum Order Quantity: 2MT

Price: Negotiable

Packaging Details: Packaging: Wooden cases

Delivery Time: Negotiable

Supply Ability: 800MT/Month

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                welded steel pipe, cold drawn welded tubes
                              

Material:	26MnB5	Length:	Random Or Fixed Length
Shape:	Round	Technical:	Seamless Or Welded
Delivery Condition:	+C, +N, +SR,+NBK	Standard:	EN10305-1, EN10305-2 Etc
Process:	Cold Drawn, Cold Rolled

Material:	26MnB5
Length:	Random Or Fixed Length
Shape:	Round
Technical:	Seamless Or Welded
Delivery Condition:	+C, +N, +SR,+NBK
Standard:	EN10305-1, EN10305-2 Etc
Process:	Cold Drawn, Cold Rolled

EN10305-2 E235 E355 Cold Drawn Welded Steel Tube for Hydraulic and Pneumatic Systems

EN10305-2 E235 E355 Welded Cold Drawn Carbon Steel Tube

With high dimension accuracy and fine surface quality, cold drawn precision steel tubing is suitable for hydraulic and pneumatic systems. Besides seamless cold drawn tubes, welded cold drawn tubes are also used for cylinders with smooth surfaces. BS EN 10305, a series of steel tube specifications for precision applications, includes 10305-2 grade E235 which is an ideal material for barrels and cylinders.

Product Specifications

Corresponding Standards: DIN 2393 St 37-2

Size Range: O.D. 50 - 380 mm; W.T. 1 - 25 mm

Length: 5 - 7 m

Application: Vehicle construction, furniture industry and general engineering

E235 Chemical Composition

Steel grade	Steel number	C max	Si max	Mn max	P max	S max	Al min
E235	1.0308	0,17	0,35	1,20	0,025	0,025	0,015

E235 Mechanical Properties (+C Delivery Condition, Room Temperature)

Steel grade	Tensile strength Rm MPa	Yield strength ReH MPa	Elongation %
E235	520	470	10

BS EN 10305-2 E235 Surface Condition

A roughness value of Ra < 0,8 μm applies to the inside surface, in compliance with ISO 4287 and ISO 4288. For the outside surface, EN 10305-2 is applicable.

BS EN 10305-2 E235 Straightness

Tubes for hydraulic and pneumatic applications are specially straightened with regard to the intended application. For tubes with an outside diameter D > 15 mm supplied in lengths greater than 1,000 mm, the deviation from straightness of any tube length L shall not exceed:

0,0015 L for ReH ≤ 500 MPa
0,002 L for ReH > 500 MPa

Manufacturing Capabilities

SHEW-E STEEL manufactures a wide range of cold drawn welded pipe products with excellent quality and services for tube-related solutions. We offer specially precision steel tubes with outside diameters from 50 to 380 mm and wall thicknesses up to 25 mm to suit a wide range of applications.

Production Method

The cold drawn welded tube is produced by drawing ERW (electric resistance welded tube). During this process, the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish, is closely controlled to produce tube of the required size and mechanical property characteristics.

Main Data

Material: E355

Other Available Materials: E155, E195, E235, E275

Outer Diameter Range: 10-50mm

Wall Thickness Range: 1.5-8mm

t/D Ratio: ≥ 0.2 (Normal: t/D=0.1)

Standard: EN10305-2

Process: Cold Drawn, Cold Rolling

Typical Specification

Grade	Welding Typical Specification	Yield Strength
E355	Φ38×4.5	355~450 MPa

Chemical Component

Steel Number	Quality Level	Thickness/mm	Deoxidize Method	C(%)≤	Si(%)≤	Mn(%)≤	P(%)≤	S(%)≤
E235(Fe360)	A	≤16	N	0.22	-	-	0.050	0.050
	B	>16-25	-	0.17	0.40	1.40	0.045	0.045
	C	≤40	-	0.20	0.40	1.40	0.045	0.045
	D	>40	E	0.17	0.40	1.40	0.045	0.045
			NE	0.20	0.40	1.40	0.040	0.040
			NE	0.17	0.40	1.40	0.035	0.035
			GF	0.17	0.40	1.40	0.035	0.035

Delivery Conditions

+C: No heat treatment after the final cold drawing process
+LC: After the final heat treatment there is a suitable drawing pass
+SR: After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
+A: After the final cold drawing process the tubes are annealed in a controlled atmosphere
+N: After the final cold drawing operation the tubes are normalized in a controlled atmosphere

Advantages (Compared with Seamless Cold Drawn Tube)

Better shape
Improved quality surface
Tight eccentricity and wall thickness tolerances
Tube more safety
Good toughness at low temperature
USA Market: 90% of the cylinders in the USA market are produced with welded tubes
Cost: Fixed lengths more cheaper

Company Advantages

Top class of welding line: SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. The tube is of small outer diameter (D) and thick wall thickness (t): t/D≥0.2, and high size precision.

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