Heavy-Duty Square Steel Punched Tube Q235B Slotted Square Profiles Steel Tube

• Type: Channel Steel
• Standard: GB, ASTM, DIN, JIS, AISI, BS
• Trademark: Carbon Structural Steel, HOOGO
• Connection Form: Bolt Connection
• Application: Steel Workshop, Steel Fabricated House, Structural Roofing, Steel Structure Bridge
• After-sales Service: Within 48 Hours
• Model NO.: 914003
• Warranty: 12 Months
• Member: Square Steel Punched Tube
• Transport Package: by Sea Shipping
• Specification: Q235B
• Origin: China

Product Description

Heavy-duty square steel punched tube
Application	For the installation of heavy pipe (≥DN350) support and hanger
Technical data	Material: Q235B
	Surface treatment: surface hot-dip galvanizing treatment ≥ 65um
Product features	Four-corner stiffener design improves shear and impact resistance The four-sided closed design improves the bending and torsion resistance of the product Four-sided punching can be installed on multiple sides, which is convenient for installation and adjustment Auxiliary gauge length and mounting holes for easy on-site machining and adjustable installation International standard round hole design is compatible with various systems and increases the force bearing area Hot-dip galvanized surface treatment, no need for post-corrosion maintenance Quickly and efficiently combine with steel, concrete or other structures into many forms support and hanger system Quick and easy pipe fixing, duct and bridge support and other process installations

 

Specification
Product name	Wall thickness (mm)	Section height (mm)	Weight (kg/m)	Standard length (m)	Product code
Heavy-duty square steel punched tube HG-90-HDG	3.5	90	9.43	6	914003
Heavy-duty square steel punched tube HG-120-HDG	4	120	12.64	6	914004

 

Physical properties of square steel punched tube
Parameter	Unit	HG-90	HG-120
Wall thickness	mm	3.5	4
Sectional area	mm^2	1002.6	1375.7
Weight	kg/m	9.43	12.64
Standard length	m	6	6
Mechanical properties
Yield strength	N/mm^2	235	235
Allowable tensile stress	N/mm^2	152.6	152.6
Elastic modulus	N/mm^2	210000	210000
Shear modulus	N/mm^2	81000	81000
Surface treatment
Hot dip galvanized	μm	65	65
Section data
Y axis
Distance from notch	mm	45	60
Moment of inertia	cm4	115.34	265.78
Section modulus	cm³	25.63	44.3
Radius of gyration	cm	3.39	4.4
Z axis
Distance from notch	mm	45	45
Moment of inertia	cm4	115.34	173.58
Section modulus	cm³	25.63	38.57
Radius of gyration	cm	3.39	3.55
Torsional performance
Torsional moment of inertia	cm4	155.56	297.02
Torsional section modulus	cm³	45.25	71.63

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