AS1163 Rectangular hollow sections

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Basic Info

Model No.
Brand Name	Hydrogrand
Section shape	Rectangular
place of origin	China
application	Structure Pipe
Production Process	Cold Rolled
Certification	Bsi
Whether alloy	Non-Alloy
tolerance	±10%
Category	Square?tubes
Processing Service	Welding

Product description

Rectangular hollow sections are characterized by unequal sides and a uniform thickness, resulting in a rectangular-shaped steel tube. They are available in various sizes and thicknesses to accommodate different design requirements. RHS includes welded pipe and seamless steel pipe.

These sections are typically manufactured through a cold-forming process, where a flat steel plate or coil is formed into a rectangular shape and then welded along the edges to create the hollow section. This process ensures precise dimensions and consistent quality.

Standard: AS1163 C250,C250L0,C350,C350L0,C450,C450L0

Grade C250 and Grade C350 Circular Hollow Sections (CHS)

Grade C350 and Grade C450 Rectangular Hollow Sections (RHS)

Grade C350 and Grade C450 Square Hollow Sections (SHS)

AS1163 Rectangular hollow sections( RHS)

Grade and Chemical Composition (％)

Steel Grades	Chemical composition( cast or product analysis ％ max.
Steel Grades	C	Si	Mn	P	S	Cr	Mo	Al	Ti	Micro-alloying elements	CE
C250 C250L0	0.12	0.05	0.5	0.03	0.03	0.15	0.1	0.1	0.04	0.03	0.25
C350 C350L0	0.2	0.25	1.6	0.03	0.03	0.3	0.1	0.1	0.04	0.15	0.43
C450 C450L0	0.2	0.25	1.7	0.03	0.03	0.3	0.35	0.1	0.04	0.15	0.43

AS1163 Rectangular hollow sections( RHS)

mechanical properties

Steel Grade	Minimum yield strength	Minimum tensile strength	Minimum elongation as a propertion of the gauge length of5.65 ％
			Circular hollow sections			Rectangular hollow sections
			≦15	>15≦30	30	≦15	>15≦30	30
C250,C250L0	250	320	18	20	22	14	16	18
C350,C350L0	350	430	16	18	20	12	14	16
C450,C450L0	450	500	12	14	16	10	12	14

AS1163 Rectangular hollow sections( RHS)

Dimensional Tolerance

Characteristic		Pipe (CHS)	Rectangular & Square (RHS / SHS)
External dimensions (d, b, d0)		±1% with minimum of ±0.5mm& maximum ±10%	±1% with minimum of ±0.5mm
Thickness (t)	d≤406.4mm	±10%	±10%
	d>406.4mm	±10% with max of ±2mm
All Sections has a mass not less than 96% of specified nominal mass

AS1163 Rectangular hollow sections( RHS)

Rectangular Hollow Sections
Size	Mass (kg/m)	AS1163 C250 C250L0 C350 C350L0	Size	Mass (kg/m)
50 x 25 x 1.6	1.75		150 x 75 x 9.0	27.6
50 x 25 x 2.0	2.15		150 x 100 x 4.0	14.8
50 x 25 x 2.5	2.62		150 x 100 x 5.0	18.2
50 x 25 x 3.0	3.07		150 x 100 x 6.0	21.4
65 x 35 x 2.0	2.93		150 x 100 x 8.0	27.7
65 x 35 x 2.5	3.6		150 x 100 x 9.0	30.6
65 x 35 x 3.0	4.25		150 x 100 x 10.0	33.4
65 x 35 x 4.0	5.35		152 x 76 x 5.0	16.4
75 x 25 x 1.6	2.38		152 x 76 x 6.0	19.4
75 x 25 x 2.0	2.93		200 x 100 x 4.0	17.9
75 x 25 x 2.5	3.6		200 x 100 x 5.0	22.1
75 x 50 x 2.0	3.72		200 x 100 x 6.0	26.2
75 x 50 x 2.5	4.58		200 x 100 x 8.0	33.9
75 x 50 x 3.0	5.42		200 x 100 x 9.0	37.7
75 x 50 x 4.0	6.92		200 x 100 x 10.0	41.3
75 x 50 x 5.0	8.35		250 x 150 x 5.0	29.9
75 x 50 x 6.0	9.67		250 x 150 x 6.0	35.6
76 x 38 x 2.5	4.15		250 x 150 x 8.0	46.5
76 x 38 x 3.0	4.9		250 x 150 x9.0	51.8
76 x 38 x 4.0	6.23		250 x 150 x 10.0	57
100 x 50 x 2.0	4.5		250 x 150 x 12.5	69.4
100 x 50 x 2.5	5.56		250 x 150 x 16.0	85.5
100 x 50 x 3.0	6.6		300 x 200 x 6.0	45
100 x 50 x 3.5	7.53		300 x 200 x 8.0	59.1
100 x 50 x 4.0	8.49		300 x 200 x 10.0	72.7
100 x 50 x 5.0	10.3		300 x 200 x 12.5	89
100 x 50 x 6.0	12		300 x 200 x 16.0	111
102 x 76 x 3.5	9.07		350 x 250 x 6.0	54.4
102 x 76 x 5.0	12.5		350 x 250 x 8.0	71.6
102 x 76 x 6.0	14.7		350 x 250 x 10.0	88.4
125 x 75 x 3.0	8.96		350 x 250 x 12.5	109
125 x 75 x 4.0	11.6		350 x 250 x 16.0	136
125 x 75 x 5.0	14.2		400 x 200 x 8.0	71.6
125 x 75 x 6.0	16.7		400 x 200 x 10.0	88.4
127 x 51 x 3.5	9.07		400 x 200 x 12.5	109
127 x 51 x 5.0	12.5		400 x 200 x 16.0	136
127 x 51 x 6.0	14.7		400 x 300 x 8.0	84.2
150 x 50 x 3.0	8.96		400 x 300 x 10.0	104
150 x 50 x 4.0	11.6		400 x 300 x 12.5	128
150 x 50 x 5.0	14.2		400 x 300 x 16.0	161