Nezone Tubes :::ERW Hollow Section Tubes (RHS / SHS)

ERW Hollow Section Tubes (RHS / SHS)

Specifications of ERW Tubes

	Application	Indian Standard	Grade	Chemical Composition				Mechanical Properties			Weld Properties			Bend Test
	Application	Indian Standard	Grade	cm	Mn	S max	P max	UTS Kgs/mm² Min	YS Kgs/mm² Min	% elongation	Flattery	Drifting	Crushing	Bend Test
1	ERW Tubes for Automative Application	3074/ 1979	ERW-1 ERW-2 ERW-3	0.20 Max 0.20 to 0.30 0.40	0.30 to 0.60 0.30 to 0.60 .30 to .60	0.06 0.06 0.06	0.06 0.06 0.06	32 39 44	17 25 28	Ns Ns Ns	3t 5t 8t	12.5% 10.0% 8.0%	- - Ns	Ns Ns Ns
2	ERW Tubes for Bicycles	2039/ 1991	ERW-C1 ERW-C2 ERW-C3	0.15 Max 0.20 Max 0.25 Max	0.30 to 0.60 0.30 to 0.90 1.20 Max	0.06 0.05 0.05	0.06 0.05 0.05	31 41 44	20 31 38	10 8 8	3t 5t 8t	12.0% 10.0% 8.0%	Ns Ns Ns	Ns Ns Ns
3	ERW Tubes for Mechanical & General Engineering	3601/ 1984	WT-160 WT-200 WT-240 WT-310	- - - -	- - - -	0.06 0.06 0.06 0.06	0.06 0.06 0.06 0.06	32 34 42 55	16 20 24 32	9500/ Ts 9500/ Ts 9500/ Ts 9500/ Ts	3t 4t 6t 8t	12.5% 12.5% 10.0% 7.5%	Ns Ns Ns Ns	Ns Ns Ns Ns
4	ERW Tubes for Furniture	7138/ 1973	-	-	-	0.06	0.06	33	21	20%	5t	7.5%	-	180° over 6D Radius
5	Square & Rectangular Hollow Section	4923/ 1997	YST 210 YST 240 YST 310	- - -	- - -	0.06 0.06 0.06	0.06 0.06 0.06	34 42 46	21 24 32	12 to 20 10 to 15 8 to 10	Ns Ns Ns	Ns Ns Ns	Ns Ns Ns	Squareness of corners 90° ± 2° Radii of corners outside 3t max

So = Cross section area

t = Wall thickness tube in mm

Ns = Not specified

D = Outer diameter area in mm

Ts = Tensile strength

ERW Sectional Tubes

Thickness (mm)

Legend
can be rolled without I.D. bead trimming
can be rolled with I.D. bead trimming

ERW Round Tubes

Thickness (mm)

Legend
can be rolled without I.D. bead trimming
can be rolled with I.D. bead trimming

Hollow Section

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