A low carbon steel that offers excellent formability and weldability. Used in applications such as farm implements, tanks, brackets, and other formed parts. The surface has a normal mill oxide finish.
A medium carbon steel that offers greater strength and hardness as compared to low carbon steels. Formability and weldability of AISI 1045 is fair when using accepted shop practices. Machinability is good. This grade responds to heat treating and induction hardening in the lighter thicknesses. Applications include gears, machine parts, brake dies, wear plates, and base plates.
HOT ROLLED STRUCTURAL SPECIFICATIONS
Intermediate tensile strength carbon steel for use in riveted, bolted, or welded construction of bridges and buildings and for general structural use. A-36 is one of the most widely used carbon steels for construction purposes. It is weldable, formable, and machinable. The minimum yield point is 36,000 psi and the tensile strength is 58,000 – 80,000 psi. Plates over 1.500″ in thickness are silicon killed to ensure uniform properties.
HIGH STRENGTH LOW ALLOY PLATES (HSLA)
ASTM A-572, Grade 50
HSLA columbium-vanadium steel with a higher yield and tensile strength as compared to ASTM A-36. It is used in bridges, buildings, construction equipment, freight cars, machinery, truck parts, and other applications. These stronger steels permit the reduction of section thickness and weight, providing added payload capacity in transportation applications as well as material cost savings. ASTM A-572, Grade 50 is weldable, formable, and machinable when using appropriate techniques. For Grade 50, the minimum yield point is 50,000 psi and the minimum tensile strength is 65,000 psi. Plates over 1.500″ in thickness are silicon killed to ensure uniform properties. ASTM A-572 is also available in grades 42, 55, 60 and 65.
ASTM A-588, Grade A, Corten B
HSLAS steel containing small additions of copper, chromium, and nickel. For use in bridges, buildings, freight cars, construction equipment, smokestack liners, precipitators, transmission towers, and light poles where savings in weight and/or added durability are important. The atmospheric corrosion resistance of this steel is a minimum of four times that of regular carbon steel. These steels are often used unpainted and develop a weathered, orange-brown surface that is resistant to corrosion. ASTM A-588, Grade A is weldable, formable, and machinable when using the appropriate techniques. The minimum yield point is 50,000 psi and the minimum tensile strength is 70,000 psi. All sizes of ASTM A-588 are silicon killed. ASTM A-588 is also available in grades B, C, and K. Some of the trade names associated with this grade are Corten, Mayari, Hi-Steel and Dura-Plate.
PRESSURE VESSEL SPECIFICATIONS
ASTM A-516 Grade 70
This specification covers carbon steel plates intended primarily for service in welded pressure vessels where improved notch toughness at moderate to lower temperatures is important. ASTM A-516 is made to a silicon killed steel fine grain practice. This specification requires plates over 1.500″ to be normalized. This plate grade is weldable, formable, and machinable. For ASTM A-516 Grade 70, the minimum yield point is 38,000 psi and the tensile strength is 70,000 psi to 90,000 psi. ASTM- 516 is also available in grades 55, 60, and 65.
Our 4-Way floor plate is produced to ASTM A-786 in a low carbon commercial quality grade. This material is easily formed and welded using accepted practice. 4-Way floor plates provide maximum skid resistance with an easy to clean surface. Both medium and large patterns are available. We can also service your special floor plate needs such as ASTM A-36 and ASTM A-572 Grade 50 floor plate. Additionally, floor plate from coil can be provided in custom lengths up to 60 feet.
HIGH STRENGTH ALLOY – STRUCTURAL SPECIFICATIONS
This specification covers 8 grades of quenched and tempered high strength alloy steel intended for use in welded structures. ASTM A-514 is made to a silicon killed fine grain practice. Its advantages include high strength, weldability, and good toughness at low atmospheric temperatures. ASTM A-514 is suitable for use in bridges, towers, building members, earth moving and transportation equipment, booms, buckets and other industrial applications where high strength, low weight and high impact values are required. It is weldable, formable, and machinable using the appropriate techniques. In plates .750″ thick and less, ASTM A-514 has a minimum yield point of 100,000 psi and a tensile strength of 110,000 psi to 130,000 psi
ABRASION RESISTING ALLOY PLATE
AR 360 / AR 400 / AR 500
Is a high carbon steel supplied in the as-rolled condition. It is intended for use in applications involving erosion, where abrasive materials such as grains, coal, ore, cement, gravel, light aggregate, and earth are being handled. Often used in the materials handling and mining industries. This grade has strong carbide-forming elements such as chromium, molybdenum and vanadium to provide complex carbines that can enhance abrasion resistance, and contribute to hardenability. Quench and tempering Is employed to obtain a high hardness level with optimum microstructure. As hardness increases, it is generally true that formability and weldability decrease. Abrasion resistant steels are not intended for structural applications. These steels should not be used for structural or main load-bearing members because of the possibility that brittle fracture may occur in these high hardness steels at the high stress levels encountered in such applications. Material is tested to the Brinell Hardness Number to determine the level of hardness
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