SS 304 Stainless Steel — Grades, Properties & Applications
The world's most used stainless steel. 18/8 composition, corrosion resistance, mechanical properties, welding tips, and sourcing guide.
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500+ technical guides — price charts, weight calculators, specifications, material comparisons and industry insights for procurement engineers, designers and fabricators.
Featured Guides
SS 316L Stainless Steel — Molybdenum-Enhanced Corrosion Resistance
Why 316L is the go-to grade for marine, pharma, and chemical service. Composition, PREN value, chloride resistance.
Duplex 2205 Steel — Properties, Applications & Specifications
Duplex 2205 delivers 2x strength of 316L with superior chloride SCC resistance. Complete guide.
P91 Alloy Steel — The Backbone of Ultra-Supercritical Power Plants
ASTM A335 P91 — creep properties, PWHT requirements, IBR compliance.
Inconel 625 — High-Temperature Nickel Alloy Guide
UNS N06625 for high-temperature oxidation resistance up to 1000°C.
Hastelloy C-276 — The Ultimate Corrosion-Resistant Nickel Alloy
UNS N10276 resists HCl, H2SO4, wet chlorine — pharma, FGD, waste treatment.
ERW vs Seamless Pipe — Complete Technical Comparison
Manufacturing difference, strength, cost comparison (India 2026), and when to specify each type.
Pipe Schedule Chart — SCH 5S, 10S, 40, 80, 160, XXS Explained
Wall thickness tables for every size. How to calculate pressure rating from schedule.
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💰 Price & Rate Guides (Updated Monthly)
SS 304 Pipe Price Per Kg India →SS 316L Pipe Price Per Kg India →SS 304 Sheet Price Per Kg India →SS 316 Sheet Price Per Kg India →SS 304 Plate Price India Today →SS 316L Plate Price India →Duplex 2205 Pipe Price India →Super Duplex 2507 Pipe Price →Inconel 625 Pipe Price India →Monel 400 Pipe Price India →Hastelloy C276 Pipe Price India →Titanium Pipe Price India →P91 Alloy Steel Pipe Price India →P22 Alloy Steel Pipe Price India →ASTM A106 CS Pipe Price India →ERW Pipe Price India IS 1239 →API 5L Pipe Price India →SS Pipe Price List India 2026 →SS Fittings Price India →SS Flange Price India →SA 516 Plate Price India →Boiler Tube Price India →MS Angle Price Today Gujarat →MS Channel Price Today Gujarat →MS Beam Price Today Gujarat →TMT Bar Price Today Gujarat →Steel Price Forecast India 2026-27 →Nickel LME Impact on SS Prices →Hardox Plate Price India →Copper Nickel Pipe Price India →
⚖️ Weight Charts & Calculators
Pipe Weight Calculator Online →Steel Weight Calculator — All Shapes →SS Pipe Weight Chart (ASTM A312) →CS Pipe Weight Chart (A106) →Alloy Steel Pipe Weight Chart →ERW Pipe Weight Chart IS 1239 →MS Angle Weight Chart IS 808 →ISMC Channel Weight Chart →ISMB Beam Weight Chart →TMT Bar Weight Chart 8mm-32mm →Flange Weight Chart All Classes →Pipe Elbow Weight Chart →SS Plate Weight Calculator →Hollow Section Weight Chart →Inconel Pipe Weight Chart →Duplex Pipe Weight Chart →Pipe Volume Calculator →
⚔️ Material Comparisons (X vs Y)
Carbon Steel vs Stainless Steel →SS 304 vs SS 316 — Difference →Alloy Steel vs Carbon Steel →Duplex 2205 vs Inconel 625 →ASTM vs ASME Difference →SS 304 vs SS 202 →Seamless vs Spiral Welded Pipe →SS Pipe vs GI Pipe →Forged vs Cast Fittings →SS 304 vs 304L →SS 316 vs 316L →Weld Neck vs Slip-On Flange →Duplex 2205 vs SS 316L →Inconel 625 vs Hastelloy C276 →Titanium vs Stainless Steel →Duplex vs Super Duplex →P91 vs P22 Alloy Steel →ASTM A106 vs API 5L →Hot Rolled vs Cold Rolled →SS Seamless vs Welded Pipe →Fe 500 vs Fe 500D TMT →Schedule 10 vs Schedule 40 →RF vs FF vs RTJ Flange →PSL1 vs PSL2 API 5L →
📋 Specifications & Standards
ASME B16.5 Flange Dimensions →ASME B16.9 Fittings Dimensions →ASME B16.11 Forged Fittings →IS 1239 Pipe Specification →IS 2062 Steel Specification →IS 808 Structural Sections →ASTM A335 Alloy Pipe Spec →ASTM A106 Pipe Specification →ASTM A240 SS Plate Spec →ASTM B444 Inconel Pipe Spec →API 5L Specification Guide →NACE MR0175 Material Guide →IBR Form III-C Complete Guide →PMI Testing Complete Guide →NDT Testing Methods for Pipes →DIN Flange Dimensions Chart →
🏭 Industry Application Guides
Piping for Oil Refinery →Steel for Power Plant Boiler →Piping for Chemical Plant →SS Pipe for Pharma Industry →SS Pipe for Dairy & Food →SS Pipe for Water Treatment →SS Pipe for Marine & Offshore →Structural Steel for Building →Piping for Desalination Plant →Piping for LNG Terminal →Piping for Oil & Gas Pipeline →Piping for Hydrogen Plant →Steel for Wind Turbine →Material for Heat Exchanger →Steel for Metro Rail →Piping for Brewery & Distillery →
🔧 How-To & Process Guides
How to Calculate Pipe Weight →How to Identify SS Grade →How to Weld P91 Steel →How to Weld Duplex 2205 →How to Weld Inconel 625 →How to Weld SS 304/316L →How to Do PMI Testing →How to Read MTC →Hydrostatic Test Procedure →SS Pipe Passivation Procedure →How to Select Pipe Schedule →Galvanic Corrosion Prevention →PWHT Procedure for P91 →How to Check SS Pipe Quality →SCC Prevention in SS →How to Prepare Piping MTO →
📚 Material Knowledge (What Is...)
What is Stainless Steel? →What is Duplex Steel? →What is Alloy Steel? →What is Carbon Steel? →What is Inconel Alloy? →What is Monel Alloy? →What is Hastelloy? →What is Titanium Alloy? →What is Seamless Pipe? →What is ERW Pipe? →What is Pipe Schedule? →What is IBR Certification? →What is NACE MR0175? →What is PMI Testing? →What is NDT Testing? →Types of Stainless Steel →Types of Corrosion in Steel →Types of Pipe Manufacturing →
🛒 Buyer Guides & Procurement
Buy Steel Pipe Online India →Bulk Steel Procurement Tips →How to Verify Steel Supplier →GST on Steel Pipes India →HS Code for Steel Pipes →ASTM to IS Equivalent →Approved Vendor List (AVL) →How to Detect Fake MTC →Procurement Common Mistakes →Steel Supply for EPC Contractors →Third Party Inspection Guide →FOB vs CIF Shipping Terms →
📏 Size Charts & Dimension Tables
SS Pipe Size Chart →CS Pipe Size Chart →Flange Dimensions Class 150/300 →Pipe Elbow Dimensions →Pipe Tee Dimensions →NB to OD Conversion Chart →Inch to mm Conversion →Flange Bolt Chart B16.5 →Pipe Pressure Rating Chart →MS Angle Size Chart IS 808 →ISMC Channel Dimensions →Forged Fittings Dimensions →
❓ FAQ & Questions
Why is SS Pipe Expensive? →Why is Inconel Costly? →Why Duplex for Offshore? →When to Use Duplex Steel? →When to Use Inconel? →When to Use Hastelloy? →Can SS 304 Be Used Outdoor? →Difference: Pipe vs Tube →SS Pipe Buying FAQ India →CS Pipe Buying FAQ →Exotic Alloy Buying FAQ →Fittings & Flanges FAQ →