Calculate steel weight instantly for TMT bar, MS plate, pipe, angle, channel & beam. Expert industry analysis, weight charts & guides for steel professionals.
SteelMath is a free steel weight calculator supporting all common sections — TMT bar (rebar), mild steel plate, MS pipe, angle, channel, I-beam, flat bar & square tube. Use the d²/162 formula for round bars or enter dimensions for instant weight-per-metre results. Our tools support multiple steel grades including MS (7,850 kg/m³), SS 304, SS 316, Aluminium & Copper with accurate density factors.
Steel weight & yield — instant results for every section type
Select shape, enter dimensions, get instant weight
Processing efficiency & waste analysis
Reference charts, calculators & step-by-step guides for steel professionals
Base price vs transaction price, grade extras, size extras, effective dates — decode the circular like a pro.
Formulas for TMT bar, plate, pipe, angle, channel, I-beam, and more. With worked examples and a free online calculator.
Weight per metre for every TMT bar from 6mm to 40mm. Plus bars per tonne, cost per bar, and how to verify deliveries.
Weight per sqm for every plate thickness from 1mm to 50mm. Standard sizes, chequered plate adjustment, and cost estimation.
12% safeguard duty on flat steel imports — which products, which countries, price thresholds, and how it affects your landed cost.
Pipe weight formula with complete IS 1239 reference chart. 15mm NB to 200mm NB, light/medium/heavy class.
Market trends, policy impact & supply chain deep-dives
MOIL raises manganese ore prices 15–17.5% from April 6, 2026 — the steepest revision in nearly two years. Full impact analysis for ferroalloy producers, steelmakers, and procurement teams.
NMDC raises iron ore lumps by 10.4% and fines by 11.1% after record 53 MT production year. Full impact analysis on BF-BOF costs, landed pricing, import dynamics, and procurement strategy.
India’s steel demand grew 37% in 5 years while China’s declined 6.5%. Per capita at 100 kg vs 219 kg global average. Why India is the world’s last great steel growth market — and what it means for professionals.
India targets 300 MT steel capacity by 2030. But volume alone won’t set prices. Analysis of raw material gaps, global capital flows, and the value chain deficit that defines India’s limits.
SteelWatch’s 2026 scorecard scores 18 steelmakers on transition readiness. None cross 50/100. SSAB leads at 46.2, HBIS trails at 8.3. What the data reveals for India’s steel path.
NMDC crosses 53 MT, Lloyds Metals doubles output, exports drop 30%, imports hit 7-year highs. Three data-driven shifts reveal a fundamental restructuring of India’s iron ore economy.
From TMT bar weight charts to Hormuz crisis analysis — everything steel professionals need in one place.
Explore All Insights →