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ASTM A53 vs. ASTM A500 steel pipes

ASTM a500 carbon steel seamless pipe

ASTM a500 carbon steel seamless pipe

ASTM A53 steel pipe designations are different than ASTM A500 round hollow structural sections and they are manufactured to meet different standards. While ASTM A500 is available in cross-sections matching each of the cross-sections for ASTM A53steel pipe, there are many more cross-sections available in A500.

Characteristics and Applications of ASTM A500 steel pipes:

A500 steel pipes can be subjected to most of the usual fabricating operations. Ductility is good. It bends well, flattens, cuts, punches, flares and flanges easily, and can be welded by the commonly-used techniques and practices.Common uses for ASTM A500 pipe include hand rails, posts, storage racks, displays, furniture, Structural applications, Bollards, Micro-piling.

ASTM A500 applications include structural supports, building columns, highway signs, oil field services and communication towers, to name a few. All steel structures have their pros and cons, but ultimately ASTM A500 is the better choice when you need a round profile.

Characteristics and Applications of ASTM A53 steel pipes :

Designed for coiling, bending and flanging, A53 carbon steel pipe is suitable for welding. The grades denote certain chemical and mechanical properties and should be noted in selection.A53 pipe is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines, Low pressure systems, Structural applications, Mechanical components, Bollards, Casing

ASTM A500 is a structural specification, round HSS produced to this specification are fit for purpose when used for structural applications and general construction use. ASTM A53 is a pipe specification and is intended to be used in mechanical and pressure applications.

The specified yield strength of A500 Grade C (the most commonly available grade) is 46 ksi. The specified yield strength of A53 Grade B is 35 ksi. That’s over a 30% increase in yield strength. Therefore, A500 round HSS have greater strength-to-weight ratios than A53 pipes. So, with round HSS you need less steel, by weight, to do the job—less weight equals less cost.

ASTM A53 PIPE TYPES

The following types & grades of A53 pipe are covered within this specification:

Type F – Furnace-butt-welded, continuous welded Grade A
Type E- Electric-resistance-welded, Grades A and B
Type S- Seamless, Grades A and B

 

 

 

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