Ranfit Metal is a well-known manufacturer, supplier, and stockiest of IS 4923 YST 310 Hot Finish Rectangular Hollow Section. Hot-finished YST 310 RHS is manufactured at high temperatures, resulting in better structural properties compared to cold-formed sections. One of the key benefits of IS 4923 YST 310 Rectangular Hollow Hot-finished Sections has a minimum yield strength of 310 MPa, which means the material can withstand a stress of 310 MPa before permanently deforming. With its precise dimensions and smooth finish, IS 4923 YST 310 Hot Finished Rectangular Hollow Section Welded Tube can be easily installed without the need for extensive modifications. IS 4923 YST 310 Hot Rolled RHS is typically used in structural steelwork such as in frames, supports, columns, and other elements where high strength is required. IS 4923 YST 310 Seamless RHS Pipes have better mechanical properties, are free of residual stresses, and exhibit improved toughness compared to cold-formed ones. Hot Finish IS 4923 YST 310 Rectangular Hollow Section has advantages of High strength-to-weight ratio, Better weldability and formability, Uniform wall thickness and good surface finish & Enhanced resistance to local buckling. IS 4923 YST 310 HF RHS are commonly used in structural and engineering applications such as construction, frameworks, industrial structures, bridges, and more.

Key Standards

IS 4923: Indian Standard for hollow steel sections.

YST 310: denotes the yield strength of the material, which is 310 MPa (megapascals).

Hot Finish IS 4923 YST 310 Rectangular Hollow Section Specifications

IS 4923 YST 310 Rectangular Hollow Section Material Equivalent

Standard	Grade
IS 4923	YST 310

YST 310 IS 4923 Hot Finish Rectangular Hollow Section Chemical Composition

Specification	Steel Grade	C	Si	Mn	P	S
IS 4923	YST 310	0.12% max.	0.03% to 0.08%	0.50% max.	0.05% max.	0.05% max.

Hot Finish IS 4923 YST 310 Rectangular Hollow Section Mechanical Strength

Grade	Min. Tensile Strength Mpa	Min. Yield Stress Mpa	Min. Elongation Percent for size
			25.4 and under	over25.4
YST 310	330	310	12	20

Types of EN 10219 S355J2H Hollow Section Square

IS 4923 YST 310 Hot Finish Rectangular Hollow Section Size Chart

Hot Finish IS 4923 YST 310 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 IS 4923 YST 310 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 IS 4923 YST 310 RHS Available Types

IS 4923 YST 310 Hot Finish RHS Manufacturing Process

IS 4923 YST 310 Hot Finish Rectangular Hollow Sections – Application Industrty

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Suppliers and Exporters of IS 4923 YST 310 Hot Finish Rectangular Hollow Sections in cities like

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