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ISA 40x25x4

Unequal Angle1.9 kg/m

Indian Standard Unequal Angle — IS 808:2021 | Depth 40mm × Width 25mm

Cross-Section (mm)
4025t=4
Weight Calculator
1.9 kg/m × 6m × 1 =
11.4kg
0.011tonnes
Section Properties
Depth (D)40 mm
Width (B)25 mm
Web Thickness (tw)4 mm
Flange Thickness (tf)4 mm
Weight per Metre1.9 kg/m
Cross-sectional Area2.36 cm²
Moment of Inertia (Ixx)2.5 cm⁴
Moment of Inertia (Iyy)0.7 cm⁴
Section Modulus (Zxx)0.88 cm³
Section Modulus (Zyy)0.4 cm³
Radius of Gyration (rxx)1.02 cm
Radius of Gyration (ryy)0.55 cm
Related Sections
ISA 30x20x3
30mm × 20mm · 1.1 kg/m
Ixx 0.8 cm⁴ · Zxx 0.37 cm³
ISA 45x30x4
45mm × 30mm · 2.2 kg/m
Ixx 3.9 cm⁴ · Zxx 1.2 cm³
Applicable IS Codes
IS 808:2021 — Hot Rolled Structural Steel SectionsIS 2062:2011 — Hot Rolled Structural SteelIS 800:2007 — General Construction in SteelIS 802:2015 — Steel Transmission Towers
Frequently Asked Questions
Q.What is the weight of ISA 40x25x4 per metre?

ISA 40x25x4 weighs 1.9 kg per metre as per IS 808. For a standard 6m length, the total weight would be 11.4 kg.

Q.What are the dimensions of ISA 40x25x4?

ISA 40x25x4 has leg dimensions of 40mm × 25mm with a thickness of 4mm.

Q.What is the moment of inertia of ISA 40x25x4?

The moment of inertia of ISA 40x25x4 is Ixx = 2.5 cm⁴ (major axis) and Iyy = 0.7 cm⁴ (minor axis).

Q.When should I use ISA 40x25x4?

ISA 40x25x4 (Unequal Angle) is typically used for truss members with unequal loading and connections. It provides a section modulus of Zxx = 0.88 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISA 40x25x4 weigh?

A 6m length of ISA 40x25x4 weighs 11.4 kg (0.011 tonnes). Weight formula: 1.9 kg/m × 6m = 11.4 kg.

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