Hollow Section

The stainless steel hollow sections are mainly used for various application viz constructions, architectural designs, food & pharmaceutical industries, offshore & marine industries, metro trains, railways, bus body building, other public transportation, process machineries, nuclear plants, etc.

We are an ISO 9001:2008 Certified company that follows total Quality Management System. With the focus on exports, we have been maintaining a balance between quality of our products and price acclaimed for innovation and market handling techniques.
Manufactured by using high-grade raw material and latest technology, our range is reckoned in the market for its durability and superior functionality. With the support of an experienced team of professionals and robust infrastructure, we are able to deliver our range in standard and customized specifications.

Conditions
The Tubes shall be Furnished in any of the following conditions as specified :
As welded
Welded and Annealed
Cold Reduced
Cold Reduced and Annealed
The inside diameter bead shall be furnished in any of the following conditions as specified :
Bead not removed
Bead controlled to 0.005 in (0.13 mm) or 15% of the specified wall thickness, whichever is greater,
Bead Removed
Square and Rectangular welded stainless tubing is supplied as cold worked unless otherwise specified.

 

SQUARE		WEIGHT (Kg/m)
H x B (mm)		1.2	1.5	2.0	3.0	4.0	5.0	6.0	8.0	10.0	12.0
20	20	0.729	0.901	1.176
25	25	0.921	1.140	1.495	2.167
30	30	1.112	1.379	1.814	2.645
32	32	1.189	1.475	1.941	2.837
35	35	1.304	1.618	2.133	3.124
38	38	1.418	1.762	2.324	3.411
40	40	1.495	1.858	2.452	3.602	4.703
45	45		2.097	2.771	4.081	5.341
50	50		2.336	3.090	4.559	5.979	7.349
60	60		2.814	3.728	5.516	7.255	8.943	10.582
70	70			4.366	6.413	8.531	10.538	12.496
75	75			4.685	6.952	9.169	11.336	13.453
80	80			5.004	7.430	9.807	12.133	14.410
90	90			5.641	8.387	11.083	13.728	16.324
100	100			6.279	9.344	12.359	15.323	18.237	23.916
120	120				11.258	14.910	18.513	22.065	29.020
140	140				13.172	17.462	21.703	25.893	34.123
150	150				14.129	18.738	23.298	27.807	36.675	45.343
200	200				16.913	25.118	31.272	37.376	49.434	61.292	72.950
220	220					27.670	34.462	41.204	54.538	67.672	80.605
250	250						39.247	46.946	62.194	72.241	92.089
300	300						47.221	56.515	74.953	93.190	111.227

 

Following Grade is available for Hollow Section
A554 MT-301, A554 MT-302, A554 MT-304, A554 MT-304L, A554 MT-305, A554 MT-309S, A554 MT-309S-Cb, A554 MT-310S, A554 MT-316, A554 MT-316L, A554 MT-317, A554 MT-321, A554 MT-330, A554 MT-347, A554 MT-429, A554 MT-430, A554 MT-430-Ti

The stainless steel hollow sections are mainly used for various application viz constructions, architectural designs, food & pharmaceutical industries, offshore & marine industries, metro trains, railways, bus body building, other public transportation, process machineries, nuclear plants, etc.

We are an ISO 9001:2008 Certified company that follows total Quality Management System. With the focus on exports, we have been maintaining a balance between quality of our products and price acclaimed for innovation and market handling techniques.
Manufactured by using high-grade raw material and latest technology, our range is reckoned in the market for its durability and superior functionality. With the support of an experienced team of professionals and robust infrastructure, we are able to deliver our range in standard and customized specifications.

Conditions
The Tubes shall be Furnished in any of the following conditions as specified :
As welded
Welded and Annealed
Cold Reduced
Cold Reduced and Annealed
The inside diameter bead shall be furnished in any of the following conditions as specified :
Bead not removed
Bead controlled to 0.005 in (0.13 mm) or 15% of the specified wall thickness, whichever is greater,
Bead Removed
Square and Rectangular welded stainless tubing is supplied as cold worked unless otherwise specified.

 

RECTANGULAR		WEIGHT (Kg/m)
H x B (mm)		1.2	1.5	2.0	3.0	4.0	5.0	6.0	8.0	10.0	12.0
30	20	0.921	1.140	1.495
35	25	1.112	1.379	1.814	2.645
40	10	0.921	1.140	1.495
40	20	1.112	1.379	1.814	2.645
40	25	1.208	1.499	1.973	2.885
40	30	1.304	1.618	2.133	3.124
50	10	1.112	1.379	1.814
50	20	1.304	1.618	2.133	3.124
50	25	1.393	1.738	2.292	3.363
50	30	1.495	1.858	2.452	3.602
50	40		2.097	2.771	4.081
60	10		1.618	2.133
60	20		1.858	2.452	3.602
60	30		2.097	2.771	4.081
60	40		2.336	3.090	4.559	5.979
70	50		2.814	3.728	5.516	7.255	8.943
80	10		2.097	2.771
80	20		2.336	3.090	4.559
80	30		2.575	3.409	5.038
80	40		2.814	3.728	5.516	7.255	8.943
80	50			4.047	5.995	7.893	9.741
80	60			4.366	6.473	8.531	10.538
100	20		2.814	3.728
100	30		3.054	4.047	5.995
100	40			4.366	6.473	8.531	10.538
100	50			4.685	6.952	9.169	11.336	13.453
100	60			5.004	7.430	9.807	12.133	14.410
100	80			5.641	8.387	11.083	13.728	16.324
120	40			5.004	7.430	9.807
120	60			5.641	8.387	11.083	13.728	16.324
120	80			6.279	9.344	12.359	15.323	18.237
120	100				10.301	13.635	16.918	20.151
140	80				10.301	13.635	16.918	20.151
150	50				9.344	12.359	15.323	18.237
150	100				11.736	15.548	19.310	23.022	30.296
160	80				11.254	14.910	18.513	22.065
200	100				14.129	18.238	23.298	27.807	36.675
250	100				16.521	21.928	27.285	32.592	43.055
250	150				18.913	25.118	31.272	37.376	49.434	61.292
300	100				18.913	25.118	31.272	37.376	49.434
300	200						39.247	46.949	62.194	77.241	92.089
400	200						47.221	56.515	74.953	93.190	111.227

The following dimensions are standard requirements, other thickness and dimensions can be made on request.
Following Grade is available for Hollow Section
A554 MT-301, A554 MT-302, A554 MT-304, A554 MT-304L, A554 MT-305, A554 MT-309S, A554 MT-309S-Cb, A554 MT-310S, A554 MT-316, A554 MT-316L, A554 MT-317, A554 MT-321, A554 MT-330, A554 MT-347, A554 MT-429, A554 MT-430, A554 MT-430-Ti

Using laser cutting, you can boost your productivity of labour substantially when machining or cutting pipes/tubes and sections made of structural and rust-proof steel as well as of aluminium and its alloys.
This laser´s feed bin can hold 4 tons in bars/rods with length up to 6500 mm; the automatic feeder then feeds the laser cutter continually.

In no more than one operation, our laser is able to cut with pinpoint accuracy any hole into a pipe, tube or hollow angular section, to shape the front according to any contour you like or to adapt the finished product to the specified length.

In this way, you can substantially reduce the cost of production, as the following operations are superfluous: cutting, drilling/boring, milling, intermediate operation.

 

Further Advantages

• High cutting accuracy – a 0.2 mm tolerance
• Clean burless cut
• Holes to be cut even through the profile edge (in case of hollow angular sections)
• There are no tool costs at all (as compared with other technologies)
• Intersection or interconnection of the same or different sections into the L, T, U, V, X or Y shapes
• Effectiveness even in small lot orders and in the production of antetypes or samples/specimens
• Possible optimization of products´ composition on each single bar with an eye to the minimum bar rest
• In the field of rust-resistant materials, the laser technology is virtually the single one which allows the section units and space structures to be fabricated effectively.

 

Reducing and simplifying the subsequent operations, the laser technology is highly effective when cutting space tubular constructions. Due to utilizing quick couplers and connectors cut by laser, you need no more so many welding jigs; the subsequent space assembly is markedly facilitated by them.

Cut to Length

Cutting to length means ready to assemble. It saves waste, transport costs, time and onsite resources. Our state-of-the-art cutting equipment is fast and precise – straight or angled.
Separately cut off-line, with a tolerance of ±1 mm and an angle tolerance of ±1 degree (also other tolerances possible). Length of the piece can be from 20 mm up to 9000 mm.

Advantages:

• material costs >> no waste, no scrap
• transport costs >> smarter logistics 
• labour costs >> less work needed
• equipment and tool costs >> less tools needed 
• project time management >> assembly-ready component

Multiple Length

Optimize the length

What is the length you need? We can deliver the tubes in length that serves you best. By optimizing the original production length fitting the final length, you can also save in material costs (for example 2,5 m + 2,5m + 2,5 m =7,5 m). The delivery time for multiple lengths in line and standard 6 m tubes is usually the same.

Multiple lengths are cut with a tolerance of -0/+20 mm, possible lengths 
being from 4 000 mm up to 18 000 mm.

Laser Cutting

Cutting multipart tube sections with a tube laser saves time and reduces costs. The final product can be produced from the raw tube element by means of just one tool. No separate finishing stage is required. Tube lasering is extremely accurate with tolerances and also cost –effective.

Benefits of laser cutting in tube or profile cutting:

• Tube or profile cross-section shape does not restrict applications
• The system is also good for complex, multi-part elements and small-scale serial production
• Parts can be integrated directly with the element
• The number of works stages can be reduced, making the overall process faster
• Excellent cutting quality results

Special Materials

Our wide range of stainless steel grades includes all standard austenitic grades. We are also able to deliver various stainless steel project materials such as duplex and ferritic grades, which are available by request with certain minimum quantities.

Examples:

• EN 1.4539/AISI 904L
• EN 1.4541/AISI 321
• EN 1.4362/SAF 2304

 

350 hollow sections

Using our high strength class 350 hollow sections up to 100x100x6 mm, you can reduce wall thickness and save on weight and costs

Our products are used in a wide range of markets in India and overseas. As well as bending to customers specifications we stock a wide range of stainless steel, mild steel and aluminium butt weld bends, safety grab rails and swimming pool ladder rails. With over 37 years experience and expertise in forming tube & pipe, Reliable is committed to providing top quality, bent tube and box section in Stainless Steel, Mild Steel, CDS, T45, Aluminum.and on time service to our clients .

Mandrel Bending
Rolling
Swaging & Flaring
CNC Capability
One-off Bends to Multiples
Fast & Accurate
Quick turn-around
Stainless, Aluminium, Copper, Brass & Pipe

Tube size from 6mm to 114.3 mm OD can be manipulated on a variety of different centre line radii to accommodate differing wall thicknesses required by fabricators. 
Various areas of product design and fabrication have recognised the potential in utilising this specialist capability, including architectural designers, where the use of high-performance stainless tube matches many contemporary design visions.

A variety of methods can be used for bending stainless steel tubing. If the bend has a large radius, the tubing can be curved with three-roll benders (also called section benders, profile benders, or angle rolls.) If the bend has a tight radius, the tubing can be bent on a rotary-draw bender through a process called mandrel tube bending.

Both welded and seamless tubing can be curved. When the desired radius is very tight, seamless usually bends better