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Stainless Steel

Ornamental Stainless Tube

We offers Stainless Steel Ornamental tubing (also known as Stainless Steel Decorative tube) in 3 different shapes Round, Rectangular and Square. Stainless Steel Ornamental tubing is used for various purposes the most significant being architectural. This Ornamental tubing is purely decorative......
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We offers Stainless Steel Ornamental tubing (also known as Stainless Steel Decorative tube) in 3 different shapes Round, Rectangular and Square. Stainless Steel Ornamental tubing is used for various purposes the most significant being architectural.

 

This Ornamental tubing is purely decorative and is not suitable for pipe line applications where any fluids are being transported. Stainless Steel Round tube comes in a standard mirror polish (Satin 180 grit finish is available on request only) whilst Stainless Steel Square and Stainless Steel Rectangular tube is stocked standard in a 180grit Satin finish. All Ornamental tube is in accordance to a ASTM A554 Dimensional tolerances in accordance to ASTM A450 and/or ISO 1127 D3T3. Ornamental tubing Standard length is 6 meters. All tubes have the heat number, size and grade stamped on the inside of the tube.

 

Shape:Round/ Square / Rectangular / Slotted / Oval / Elliptic, Flower,etc.

Surface:2B, NO.1, NO.4, HL, 180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G mirrow finish / Titanium gold-Bronze-Blue, Galvanized, colour coating and so.

 

Application range:

Handrail, Railing, Staircase, weldmesh screen, door, window, balcony, fence, bench, furniture, etc.

 

Test:Chemical composition analysis, Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT

Material 

a)300 SERIES: 301, 302, 303, 304, 304L, 309, 309S, 310, 310S, 316, 316S ,316Ti, 317L, 321, 347.

b)200 series: 201, 202, 202cu, 204.

c)400 series:409, 409L, 410, 420, 430, 431, 439, 440, 441, 444.

d)Others: 2205, 2507, 2906, 330, 660, 630, 631, 17-4ph, 17-7ph, S318039, 904L, etc.

 

We have frequenter customers from

a)Europe: Germany, Netherland, Russia, Finland, Czech, Ukraine, Italy, Spain, Poland.

b)Middle East: Iran, UAE, SA, Iraq, Qatar, Isreal, Jordan, Bahrain, Kuwait.

c)South America: Brazil, Chile, Peru, Venezuela, Uruguay, Argentina.

d)Africa: Egypt, South Africa, Nigeria.

f)Central & North America: Mexico, US, Canada, Costa Rica.

 

We carries a wide range of stock of ornamental tubing in grade 304 and grade 316. Grade 2101 and 444 are available on request. Sizes and wall thicknesses can be viewed by clicking onto links below

 

General rule of thumb for exterior applications within 4kms of the coastline use only grade 316 or grade 444 is suitable. If Stainless Steel is on the coastline we strongly recommend only using a high mirror polish grade 316 (one can also further enhancing the polished surface of the tube by Electo-polishing process). Satin finish exposed to the elements on the coast line can tarnish in colour due to chloride build up on the surface. Grade 304 should only be used for exterior applications inland and certain interior applications near the coast. If you are unsure on the correct grade of Stainless Steel to use contact us.

 

ASTM A554 Welded Ornamental Tube

We produce ASTM A554 welded ornamental tube in various shapes, containing round tube, square tube, rectangular tube and oval tube, A554 specification covers welded Austenitic, Ferritic, and Austenitic-Ferritic duplex stainless steel mechanical tubing intended for use in ornamental, structural, exhaust, and other applications.

 

Basic specification

Type: welded tubes Grades: MT304 / 304L, MT316 / MT316L, MT321, MT430, TMT310S Finishing: Annealed, as welded, polishing Outside diameter: 12.7 – 406.4 mm Thickness: 0.5 – 6.35 mm Forms: round tube, square tube, rectangular tube, elliptic Tube

A554 Welded Tube

 

We offer wide range sizes for A554 welded ornamental tube, including round tube, square tube, rectangular tube and special form dimensions, TIG automatic welding process from stainless steel materials, welding control as standard, bead removed or not removed as request.

 

A554 Welded Stainless Tube Dimensional Tolerance

For round tubing, outside diameter tolerance is different Variation with bead removed and not removed, the requirement should be stated by clients, for square and rectangular welded stainless steel mechanical tubing, outside dimension tolerances are different compared to round tubing, wall thickness tolerance is over and under 10 % of specified wall thickness.

 

Round Tubing Outside Dimention Tolerances

OD Size, in.(mm)      Wall Thickness          OD,±

in.     mm  in.     mm

Under ½ (12.7)        0.020 ‐ 0.049       0.51 ‐ 1.24  0.004        0.10

½ ‐ 1 (12.7‐25.4)        0.020 ‐ 0.065       0.51 ‐ 1.65  0.005        0.13

½ ‐ 1 (12.7‐25.4)        over 0.065 ‐ 0.134       over 1.65 ‐ 3.40  0.010        0.25

Over 1 ‐ 1 ½ (25.4‐38.1), incl  0.025 ‐ 0.065       0.64 ‐ 1.65  0.008        0.20

Over 1 ‐ 1 ½ (25.4‐38.1), incl  over 0.065 ‐ 0.134       over 1.65 ‐ 3.40  0.010        0.25

Over 1 ½ ‐ 2 (38.1‐50.8), incl   0.025 ‐ 0.049       0.64 ‐ 1.24  0.010        0.25

Over 1 ½ ‐ 2 (38.1‐50.8), incl   over 0.049 ‐ 0.083       over 1.24 ‐ 2.11  0.011        0.28

Over 1 ½ ‐ 2 (38.1‐50.8), incl   over 0.083 ‐ 0.149       over 2.11 ‐ 3.78  0.012        0.30

Over 2 ‐ 2 ½ (50.8‐63.5), incl  0.032 ‐ 0.065       0.81 ‐ 1.65  0.012        0.30

Over 2 ‐ 2 ½ (50.8‐63.5), incl  over 0.065 ‐ 0.109       over 1.65 ‐2.77    0.013        0.33

Over 2 ‐ 2 ½ (50.8‐63.5), incl  over 0.109 ‐ 0.165       over 2.77 ‐ 4.19  0.014        0.36

Over 2 ½ ‐ 3 ½ (63.5‐88.9), incl      0.032 ‐ 0.165       0.81 ‐ 4.19  0.014        0.36

Over 2 ½ ‐ 3 ½ (63.5‐88.9), incl      over 0.165        over 4.19 0.020        0.51

Over 3 ½ ‐ 5 (88.9‐127.0), incl 0.035 ‐ 0.165       0.89 ‐ 4.19  0.020        0.51

Over 3 ½ ‐ 5 (88.9‐127.0), incl over 0.165        over 4.19 0.025        0.64

Over 5 ‐ 7 ½ (127.0‐190.5), incl      0.049 ‐0.250         1.24 ‐ 6.35  0.025        0.64

Over 5 ‐ 7 ½ (127.0‐190.5), incl      over 0.250        over 6.35 0.030        0.76

Over 7 ½ ‐ 16 (190.5‐406.4), incl     all     all     0.00125 in./in. or mm/mm of cicumference

Square & Rectangular Outside Dimension Tolerances

 

Largest Specified OD Across Flats, in.(mm)    Wall Thickness          across flats, Convexity or Concavity, ±

in.     mm  in.     mm

To 1 ¼ (31.8), incl     all     0.015        0.38

Over 1 ¼ to 2 ½ (31.8‐63.5), incl        all     0.020        0.51

Over 2 ½ to 5 ½ (63.5‐139.7), incl      all     0.030        0.76

Over 5 ½  to 8 (139.7‐203.2), incl       all     0.060        1.52

Wall Thickness Tolerances: ± 10% of specified wall thickness.

 

A554 Welded Ornamental Tube Application

A554 welded ornamental tube is produced with as welded, annealed and polishing finishing, using in mechanical structure, ornamental and decorative purpose, such as handrail tube and auto exhaust tube, A554 welded tube also applied in corrosion environment.

 

stocks round ornamental tubing in a number of standard sizes in 304 and 316/316L that are well suited for structural and architectural applications such as stainless hand rails. Round tubing is stocked in standard mill finish, 180 Grit (#4 Polish), with availability in 240 Grit, 320 Grit and a #8 mirror finish. Additional stainless finishes can be supplied and can be matched per customer sample.

 

All round ornamental tubing can be cut to exact specifications. For larger fabrications, We can supply rolled and welded tubing in excess of 24″ diameter. We recently supplied 6 pieces of tubing, 317/L grade, 21-1/4″ OD x .250 Wall x 78″ long. We can standardize your most challenging tubing requirements with short delivery schedules.

 

Stainless Steel Ornamental Round Tube Specifications

ASTM A500

This specification covers cold-formed welded and seamless carbon steel round, square, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes.


ASTM A554

This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.


ASTM A813

This specification covers two classes of fit-up and alignment quality straight-seam single- or double-welded austenitic steel pipe intended for high-temperature and general corrosive service. Diameter, Wall, and Ovality Tolerance – No Bead:

 

Ovality is the difference between maximum and minimum outside diameters measured at any one cross section.There is no additional tolerance for Ovality on tubes having a nominal wall thickness of more then 3% of the outside diameter.

An Ovality allowance of twice the outside diameter tolerance, shown in this table, is applied one half plus and one half minus to the outside diameter, for tubes having a nominal wall thickness of 3% or less of the specified outside diameter. The average of the maximum and minimum outside diameter readings should fall within the outside diameter tolerances of this table.

Tubing may be specified to outside diameter and wall.

Wall tolerance is +/- 10% of specified wall thickness.

 

square ornamental tubing in a number of standard sizes and grades, inducing in 304, 304L and 316/316L. Standard finishes include mill finish and 180 Grit (#4 polish) with availability of 240 Grit, 320 Grit and a #8 mirror finish. Larger square ornamental tubing can be supplied to meet the requirements of larger stainless fabrications thru 24″ square with wall thicknesses in excess of ½”. 30’ sections can be supplied without a girth weld. Nearly any grade of stainless, duplex or nickel alloys can be produced into square structural sections.

 

All stainless steel square ornamental tubing can be cut to your specific length.

 

stocks stainless steel rectangular ornamental tubing in a number of standard sizes and grades, inducing in 304, 304L and 316/316L. Standard finishes include mill finish and 180 Grit (#4 polish) with availability of 240 Grit, 320 Grit and a #8 mirror finish. Larger rectangular ornamental tubing can be supplied to meet the requirements of larger stainless fabrications thru 24″ with wall thicknesses in excess of ½”. 30’ sections can be supplied without a girth weld. Nearly any grade of stainless, duplex or nickel alloys can be produced into rectangular structural sections.

 

All stainless steel rectangular ornamental tubing can be cut to your specific length.


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