Hot rolled chemical composition of NM450 astm equivalet material

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What is the difference between chemical composition of NM450, carbon steel pipe and seamless steel pipe? Carbon steel pipe, the performance of this kind of steel pipe is controlled by the amount of carbon content. Different carbon content has different properties and uses. Carbon steel pipe can be seamless or seam welded. Seamless steel pipe is a large category of steel pipe, which can include carbon seamless steel pipe, low alloy seamless steel pipe, high pressure boiler pipe, oil cracking pipe and so on.

Heat treatment specification and microstructure of chemical composition of NM450, 12Cr1MoV alloy plate:Heat treatment specification: quenching 970 ℃, air cooling; tempering 750 ℃, air cooling. Microstructure: bainite + ferrite.Mechanical properties of 12Cr1MoV alloy plate:Tensile strength σb (MPa)：≥490(50); Yield strength σs (MPa)：≥245(25); Elongation δ5 (％)：≥22; area shrinkage ψ (%): ≥ 50; Impact energy Akv (J): ≥ 71; Impact toughness value αkv (J/cm2)：≥88(9).

Structural steel alloy steel plates are unaffected by high temperatures due to their Molybdenum content, creating rock-like bodies. Combustible industries involve high-temperature procedures, where assemblies made from cheap steel can wither away. Alloy steel sheets chemical composition of NM450 are robust, recyclable, and have enhanced surface quality. A balance between both Steel and chromium forms DIN 15 Mo3 Alloy Steel plates imperious to oxidation and erosion, with brittle-free hardenability from Steel and Chromium. They don't age or decay, are anti-corrosion and have excellent thermal and heat conductivity.

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