EN 10210 S235JRH Square Hollow Section

 

EN 10210 S235JRH square pipes are European standard carbon steel structural pipes with a carbon content of approximately 0.05% to 0.70%. They are widely used for general components and welded structural components such as tension rods, connecting rods, pins, shafts, screws, nuts, collars, brackets, machine bases, building structures, and bridges.

EN 10210 S235JRH Square Tube Specification

SHS (Square Hollow Sections) Sizes : 20*20mm-400*400mm
Wall Thickness : 0.5mm - 25mm
Length : 6000-14000 mm
Type : Welded / ERW
Packing : In bundles, Anticorrosion heat preservation, Varnish coating, Ends can be bevelled or square cut, End Capped Certification & supplementary test, Finishing & Identity Mark
Surface Protection : Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized

EN 10210 S235JRH Hot Finish Square Hollow Section Chemical Composition

Steel Grade		% by mass maximum
Steel Name	Steel Number	C specified thickness (mm)		Si	Mn	P	S	N
		<_40	> 40 <_ 120
S235JRH	1.0039	0.17	0.20	-	1.40	0.040	0.040	0.009

EN 10210 Hot Finish S235JRH Structural Tube Mechanical Properties

Steel Grade		Minimum yield strength eH Mpa						Minimum tensile strength Rm Mpa
Steel Name	Steel Number	Specified thickness in mm						Specified thickness in mm
		<_16	>16 <_40	>40 <_63	>63 <_ 80	>80 <_100	>100 <_120	<_3	>3 <_100	>100 <_ 120
S235JRH	1.0039	235	225	215	215	215	195	360-510	360-510	350-500

EN 10210 S235JRH Square Structural Tube

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

How to Measure the Performance of EN 10210 S235JRH Rectangular Pipes:

1. Plasticity
Plasticity refers to the ability of a metal material to undergo plastic deformation (permanent deformation) under load without fracturing.

2. Hardness
Hardness is a measure of the hardness or softness of a metal material. Currently, the most commonly used method for determining hardness in production is the indentation hardness method. This method uses a geometrically shaped indenter to press into the surface of the tested metal material under a certain load, and determines its hardness value based on the depth of indentation. Common methods include Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC), and Vickers hardness (HV).

3. Fatigue
Strength, plasticity, and hardness discussed earlier are mechanical performance indicators of metals under static loads. In practice, many machine parts operate under cyclic loads, which can lead to fatigue of the parts.

4. Impact Toughness
Impact toughness refers to the ability of a metal to resist fracture under a high-speed load applied to the component.

5. Strength
Strength refers to the ability of a metal material to resist fracture (excessive plastic deformation or rupture) under static loads. Since EN 10210 S235JRH rectangular pipes can experience various forms of loading such as tension, compression, bending, and shear, strength is categorized into tensile strength, compressive strength, bending strength, and shear strength. These different strengths are often interrelated, with tensile strength commonly used as the fundamental strength indicator in applications.

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