Steel Plate Grades - Continental Steel and Tube Company

Carbon Steel Plate Grades Chart

 

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Common Size Ranges Thickness Width Length 3/16&#; &#; 8&#; 36&#; to 120&#; 96&#; to 480&#; Can cut to size.

Commercial and Specification Grade Steel Plates are stocked to meet a variety of end use requirements that range from the most unsophisticated storage bin to such highly critical applications as Cryogenic Pressure Vessels.

LOW CARBON PLATE STEEL

Low Carbon Plate Steel is manufactured to three separate carbon ranges that relate to thickness and end use requirements. Plates 3/4&#; and lighter are produced to the lowest carbon range (0.10-0.20) for maximum cold forming and welding properties. Sizes 3/4&#;-1 1/2&#; the carbon range is (0.15-0.25) which gives improved machining, while retaining its forming and welding properties.

Plates over 1 1/2&#; have carbon increasing to (0.20-0.33), this is a killed steel that provides the best combination of strength, weldability, and structural soundness.

MEDIUM CARBON PLATE STEEL

Medium Carbon Plate Steel in the (.40-.50) carbon range is silicon killed and higher carbon for improved strength. Light and medium thicknesses can also be heat treated for greater strength. Machinability is good, but forming and welding properties are limited.

STRUCTURAL QUALITY STEEL

ASTM A36 PLATE STEEL is a structural quality product designed for use in welded, bolted, or riveted fabrications such as oil rigs, buildings and bridges. Produced with a min. yield of 36,000 psi, A36 plate can be used in the construction of a variety of lightweight structures and equipment where good welding properties are important.

ASTM A514B (T·1 & TYPE A REG) STRUCTURAL QUALITY STEEL is a quenched and tempered high strength alloy steel designed for construction type applications and produced to minimum mechanical properties. T-1 plate provides good formability, high strength, toughness at subzero temperatures, and weldability with minimal preheat requirements. Stocked in 3/16 through 1-1/2&#; thick.

ABRASION RESISTANT STEEL GRADES

Abrasion resistant steel is produced to a special carbon-manganese specification, developed specifically for applications requiring superior wear resistance, and will usually outlast ordinary steel grades by a wide margin.

AR360 STEEL is a medium strength and hardness; quenched and tempered plate, of modest price, and excellent wear properties.

AR400 STEEL is a high hardness, high strength quenched and tempered chrome-moly, boron treated alloy plate with good resistance to atmospheric corrosion and impact abrasion.

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PRESSURE VESSEL QUALITY STEEL

Pressure Vessel Quality steel plate is produced to tightly controlled ASTM standards in order to provide superior grade of carbon steel plate designed specifically for pressure vessel and boiler applications but also suited to a variety of less demanding commercial applications.

PVQ plate is subject to a specified series of tests to insure conformance to standards.

ASTM A285 STEEL (GRADE C) in fire box and flange quality designed for fusion welded boilers and pressure vessels where moderate strength and good forming is required.

ASTM A515 STEEL (GRADE 70) has greater strength than A285 and intended for intermediate and high temperature boilers and pressure vessels. It is a silicon killed, coarse grained steel that requires careful welding techniques

ASTM A516 STEEL (GRADE 70) is similar to A515 but is intended for lower temperature applications. It is also silicon killed, but has a finer grain and improved notched toughness. Stocked in an as rolled condition and charpy tested.

ASTM A572 STEEL (GRADE 50) INX-EXTEN is available with. 50,000 psi min strength level. It is moderately priced and offers high strength in combination with good formability and weldability. Atmospheric corrosion resistance is about equal to plain carbon steel. Conform to SAE J41 0 and Grade 950X.

STEEL PLATE COILS

Low carbon, black, and pickled and oiled steel coils are available from 3/16&#; to 1/2&#; thick, up to 84&#; wide for precision roller levelling and cutting to standard and special lengths up to 480&#;.

Ultrasonic Testing and ASS certification available upon request.

Accepted trade practice provides for invoicing of all Plate product based on the theoretical weight of the ordered size, using a density of . pound per cubic inch rounded to the nearest full pound per piece.

Standard TypeBrief Description of Plate A36A36 plate is the highest demand hot-roll steel plate in the world, as engineers specify ASTM A36 for more structural steel fabrications than any other type of plate. Among the least expensive of the carbon steels. Very good welding properties along with 36ksi yield strength. Considered a mild steel due to hardness. A572-42
A572-50A572 grade 50 steel plate is a high-strength, low-alloy plate, specified for bridges, higher strength structural duties, and light pressure vessel requirements. Recommended for riveted, bolted, or welded structures, such as Gussets and Bridge Plates, when intended for construction of bridges. At 50ksi, a higher strength steel than A36. This alloy is often specified for various structural steel applications whenever durability and hardness demands are slightly greater than 36ksi ASTM A36. The additional strength may be purchased for a relatively low cost difference. steel is a mild carbon steel denoted solely by a Chemistry specification. Easily ground, machined, and welded into fabrications. Chosen for general & non-critical structural parts. A medium hard steel often used for machine parts, for those machines that manufacture parts from ceramic, plastic, steel, other metals, and other composite materials. steel can be heat-treated and hardened for increased durability. Annealing is recommended following Flame Cutting in order to improve machinability and to prevent stress cracks. AISI  is suitable for heavy-duty service because of strength, high hardenability, good abrasive characteristics, and its impact resistance. Especially suitable for tooling die and press plates. In the Rockwell range of 28 &#; 32 (and higher through hardening.) Precision Grinding has an onsite furnace for Annealing. We offer annealing services to all customers purchasing burn-outs. Optionally, can be purchased in the Pre-hardened (PH) condition with a higher Rockwell hardness rating. Specially formulated for manufacturing forging equipment and tooling. Known to be tough and shock-resistant, is also capable of being oil-hardened to increase toughness, strength, and durability. Especially desirable when faced with severe impact, high-heat, and extreme wear conditions. This steel must also be annealed following flame cutting, then flame-hardened or quench and tempered, if required. A514-T1At 100,000 pounds per square inch tensile strength, this is a low-alloy, quenched and tempered steel. Typically used to manufacture heavy equipment structures, such as used in railcars, mining truck frames, boom crane extension arms, and for mining applications such as with rock crushers, sifting machines, and rock sorters. A516Grades 50, 60, 70 Pressure Vessel Plate (PVQ). Intended primarily for welded pressure vessels. Meets DoD Requirements. Special Order*Not all plate grades and sizes mentioned may be currently in stock, please contact us for a quotation! If you need another carbon or alloy plate product that is not listed above, please, call us to discuss options. Special order inventory also includes, but is not limited to the following: A516-70, A2, D2, S7, , Astralloy, Tribraze, and other tool steels, alloy plates, wear parts, pressure vessel parts, and carbon steel plates. Additional support for platens include stainless 410ss and 420ss.

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