China Stainless Steel

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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.

st
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.China Stainless Steel
website:http://www.tsinox.com/stainless-steel/
 
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