SS400 Mild Carbon Steel Plate/Sheet

Short Description:

SS400 steel plate is the most widely used because of its moderate carbon content, good comprehensive properties, and good combination of strength, plasticity and welding properties. It is usually rolled into wire rod or round steel, square steel, flat steel, angle steel, I-beam, channel steel, window frame steel and other section steel, medium thick steel plate. It is widely used in buildings and engineering structures. It is used to make steel bars or to build workshop frames, high-voltage transmission towers, bridges, vehicles, boilers, vessels, ships, etc., and is also widely used as mechanical parts with low performance requirements.

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Product Introduction

SS400 steel can be manufactured into various structural steel parts, it is vastly used in many different industries for a variety of applications. it is also used in many bridge construction. Buildings are frequently constructed withQ235B steel because of its high strength and toughness. Further more, SS400 steel is also used in fields of automotive, construction, heavy equipment, and oil and gas industries.

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Chemical Composition

SS400 Hot Rolled Steel Plate	Chemical Composition
	Element	content
	Carbon, C	0.25 - 0.290 %
	Copper, Cu	0.20%
	Iron, Fe	98.00%
	Manganese, Mn	1.03%
	Phosphorous, P	0.04%
	Silicon, Si	0.28%
	Sulfur, S	0.05%

Mechanical Property

Mechanical Properties	Metric	Imperial
Tensile Strength, Ultimate	400 - 550 MPa	58000 - 79800 psi
Tensile Strength, Yield	250 MPa	36300 psi
Elongation at Break (in 200 mm)	20.00%	20.00%
Elongation at Break (in 50 mm)	23.00%	23.00%
Modulus of Elasticity	200 GPa	29000 ksi
Bulk Modulus (typical for steel)	140 GPa	20300 ksi
Poissons Ratio	0.26	0.26
Shear Modulus	79.3 GPa	11500 ks

Product Advantage

SS400belongs to general low carbon steel, steel product with low carbon content less than 0.3%, it is considerably soft for easy forming, machining, welding. Heat treatment has less effect on SS400 steel material. It contains some other elements including alloy element: manganese, sulfur, phosphorus and silicon. Iron and these elements together forms unique mechanical property of SS400, unlike stainless steel with nickel and chromium element, it doesn’t show good corrosion resistance. If you need corrosion resistant property, having it painted with a layer of plating is a good choice.

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