MS Pipe IS 1239 refers to mild steel pipes manufactured according to the Indian Standard (IS) 1239 specification. Here's an overview: IS 1239 Specification: - Type: Mild Steel (MS) pipes - Application: Water, gas, and steam supply lines, construction, and general engineering purposes - Size Range: 1/2" to 20" (15 mm to 500 mm) NB (Nominal Bore) - Thickness: 2.0 mm to 10.0 mm - Material Grade: IS 1239 Part 1 (Fe 330, Fe 410, Fe 450) Key Features: - Made from mild steel (carbon steel with < 0.25% carbon) - ERW (Electric Resistance Welded) or seamless construction - Welded pipes have a longitudinal weld seam - Available in various lengths (up to 12 meters) Chemical Composition: - Carbon (C): 0.20% max (Fe 330), 0.30% max (Fe 410), 0.35% max (Fe 450) - Manganese (Mn): 1.00% max - Phosphorus (P): 0.05% max - Sulfur (S): 0.05% max Mechanical Properties: - Yield Strength: 330 MPa (Fe 330), 410 MPa (Fe 410), 450 MPa (Fe 450) - Tensile Strength: 410 MPa (Fe 330), 510 MPa (Fe 410), 570 MPa (Fe 450) - Elongation: 20% min (Fe 330), 25% min (Fe 410), 22% min (Fe 450) Applications: - Water supply lines - Gas pipelines - Steam lines - Construction (building,
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