Chemical Analysis — Angles, Tees, Beams & Channels
(IS 2062 — Structural Steel Chemical Testing)
Chemical composition testing of structural steel angles, tees, beams, channels and flat bars per IS 2062 — verifying carbon, manganese, sulphur, phosphorus and silicon content for Grade E250, E350, E410 and E450 compliance.
What is the Chemical Analysis — Angles, Tees, Beams & Channels?
Structural Steel Chemical Analysis for angles, tees, beams, channels and flats verifies that the chemical composition of the steel meets the mandatory requirements of IS 2062. Key elements determined include Carbon (C), Manganese (Mn), Sulphur (S), Phosphorus (P) and Silicon (Si) — with limits varying by grade: Grade E250 (C ≤0.23%, Mn ≤1.50%, S ≤0.045%, P ≤0.045%), Grade E350 (C ≤0.20%, Mn ≤1.60%) and higher grades.
At Global Lab, chemical analysis is conducted using Optical Emission Spectroscopy (OES) — a rapid, high-accuracy method that simultaneously determines all required elements on a polished steel specimen in seconds. Results are compared against IS 2062 grade requirements and a NABL-accredited certificate issued. Chemical analysis is the primary method for detecting substandard or mislabelled steel.
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Chemical Analysis — Angles, Tees, Beams & Channels — Site Images
How the Chemical Analysis — Angles, Tees, Beams & Channels is Conducted
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1
Surface Preparation
A shallow groove (approx. 25mm deep) is cut into the concrete surface using a diamond-tipped cutting tool. The surface is cleaned of dust and debris. -
2
Insert Disc Placement
A specially designed steel insert disc is placed into the groove. A thin rod connects the disc to the pullout apparatus above the surface. -
3
Hydraulic Pullout Force Application
A hydraulic jack applies a steady, controlled pullout force to the insert disc via the reaction ring resting on the concrete surface. -
4
Failure Load Recording
The maximum force at which the concrete cone is extracted is recorded. A digital load indicator provides real-time readings with data logging. -
5
Strength Calculation & Reporting
The pullout force is correlated to cube compressive strength using established calibration curves. NABL-accredited reports are issued via Autovity QLMS.
Applicable Test Standards
| Standard | Title | Scope | Type |
|---|---|---|---|
| IS 2062 | Hot Rolled Medium and High Tensile Structural Steel — Specification | Structural Steel | Indian Standard |
| IS 6285 | Methods for Chemical Analysis of Steel (Carbon and Low Alloy Steels) | Chemical Analysis | Indian Standard |
| ASTM A36 | Standard Specification for Carbon Structural Steel | Reference Standard | ASTM |
| IS 1852 | Rolling and Cutting Tolerances for Hot Rolled Steel Products | Tolerances | Indian Standard |