Ranfit Metal is a well-known manufacturer, supplier, and stockiest of ASTM A500 Gr. C Hot Finish Rectangular Hollow Section. Hot-finished Gr. C RHS involves heating the steel to a high temperature, typically above 800°C, to achieve the desired microstructure and mechanical properties.

One of the key benefits of Gr. C Rectangular Hollow Hot-finished Sections is its high strength-to-weight ratio. The tubing has a minimum yield strength of 46,000 psi (317 MPa) and a minimum ultimate strength of 62,000 psi (427 MPa), making it suitable for demanding applications. In addition to its strength and durability, ASME SA500 Gr. C Hot Finished Rectangular Hollow Section Welded Tube also offers excellent corrosion resistance. The hot-dipped galvanized coating provides a protective layer against corrosion, making it suitable for use in harsh environments. ASME SA500 Gr. C HFRHS is available in a range of sizes, from 2" x 2" to 20" x 20", with wall thicknesses ranging from 0.125" to 0.500". The tubing can be cut to length, bent, and fabricated to meet specific project requirements. ASTM A500 Gr. C Seamless RHS Pipes provides a high strength-to-weight ratio, excellent corrosion resistance, and a smooth, scale-free surface. It is also easy to fabricate and assemble, reducing construction time and costs.

Hot Finish ASTM A500 Gr. C Rectangular Hollow Section may be produced with a welded seam that is smoothed and consistent to meet mechanical and structural needs. ASTM A500 Gr. C HF RHS are used in construction for structural purposes, such as building frames, bridges, and load-bearing components.

Key Standards

ASTM A500: Hot Finish is a carbon steel hollow section pipe.

Grade A: is the lowest strength grade under ASTM A500, primarily used for structural applications where higher grades (B, C, D) are unnecessary.

Hot Finish ASTM A500 Gr. c Rectangular Hollow Section Specifications

ASTM A500 Gr. c Rectangular Hollow Section Material Equivalent

Standard	Grade
ASTM A500	Grade A

Gr. c ASTM A500 Hot Finish Rectangular Hollow Section Chemical Composition

ASTM A500	C, max	P, max	S, max	Cu, min
Grade A	0.26	0.035	0.035	0.20

Hot Finish ASME SA500 Grade Gr. c Rectangular Hollow Section Mechanical Strength

ASTM A500	Tensile strength, min	Yield strength, min,	Elongation in 2 in. (50.8 mm) min, %
Grade A	310 MPa, 45 000 psi	269 MPa, 39 000 psi	25

Types of EN 10219 S355J2H Hollow Section Square

ASTM A500 Gr. c Hot Finish Rectangular Hollow Section Size Chart

Hot Finish ASTM A500 Gr. c RHS Dimensional Tolerances

Characteristics	Tolerance
Outside Diameter of Size (H: Longest Side; B: Shortest Side)	H ＜ 100mm, B ＜ 100mm	max ±1% with a min of ±0.5mm
	100mm ≤ H ≤ 200mm, 100mm ≤ B ≤ 00mm	±0.8%
	H200mm, B200mm	±0.6%
Wall Thickness	WT ≤ 5mm	±10%
	WT5mm	±0.5mm
Concavity/Convexity	max ±0.8% with a min of ±0.5mm
Squareness of Sides	90°±1°
External Corner Radius	WT ≤ 6mm	1.6WT ≤ R ≤ 2.4WT
	6mm ＜ WT ≤ 10mm	2.0WT ≤ R ≤ 3.0WT
	WT10mm	2.4WT ≤ R ≤ 3.6WT
Twist	2mm + 0.5mm/m in length
Straightness	1.5mm/1000mm in total length
Mass	±6% in individual lengths
Length	L＜6000mm	+5mm/-0mm
	6000mm ≤ L ≤ 10000mm	+15mm/-0mm
	L 10000mm	+5mm/-0mm plus 1mm/m

Hot Finish ASTM A500 Gr. c RHS Tolerances on shape, Straightness & Mass

Random Length	4000 to 16000 with a range of 2000 Per order item	10% of sections supplied may be below minimum for the ordered range, but not less than 75% of the minimum of the range.
Approximate Length	4000 to 16000	500 mm
Exact Length	≥ 2000 to 6000 ≥ 6000	+10 /-0 mm +15 /-0 mm

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Hot Finish ASTM A500 Gr. c RHS Available Types

ASTM A500 Gr. c Hot Finish RHS Manufacturing Process

ASTM A500 Gr. c Hot Finish Rectangular Hollow Sections – Application Industrty

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Suppliers and Exporters of EN 10219 S355J2H Square Hollow Sections in cities like

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