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304 316 Stainless Steel Square Pipes
Overview of Stainless Steel Square Pipes
The square cross section of the tubes provides good geometric strength. The pipes are therefore used in high strength applications. There are high pressure and high temperature services such as the heat exchangers which use the pipes as well. The 316 SS square tubing is strong and corrosion resistant. The 316 material has chromium, nickel and molybdenum in the composition. This combination allows for increased corrosion resistance with 215MPa minimum yield strength 505MPa minimum tensile strength. The tubes can also operate under temperatures up to 870 degrees Celsius. The SS Square Welded Tube has use cases in the oil and gas, petroleum, petrochemical, construction and in structural applications as well. There are higher grades such as the SS317 Square Tubes which are made of the SS317 grade material which has 517MPa minimum tensile strength. It is useful in high strength demanding applications. The ASTM A270 Seamless Square Tube is used in high pressure, high temperature services as well as general corrosive services too. Please contact us for the full catalog of the SS square tube and the pricing.
Specifications of Stainless Steel Square Pipe
| stainless steel bright polished pipe/tube | ||
| Steel Grade | 201, 202, 301, 302, 303, 304, 304L, 304H, 309, 309S, 310S, 316, 316L,317L, 321,409L, 410, 410S, 420, 420J1, 420J2, 430, 444, 441,904L, 2205, 2507, 2101, 2520, 2304, 254SMO, 253MA, F55 | |
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456,DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296 | |
| Surface | Polishing, Annealing, Pickling, Bright, Hairline, Mirror, Matte | |
| Type | Hot rolled , Cold rolled | |
| stainless steel round pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8″-100″) | |
| stainless steel square pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 4mm*4mm-800mm*800mm | |
| stainless steel rectangular pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8″-100″) | |
| Length | 4000mm,5800mm,6000mm,12000mm,or as required. | |
| Trade terms | Price terms | FOB,CIF,CFR,CNF,EXW |
| Payment terms | T/T, L/C, Western union, Paypal, DP, DA | |
| Delivery time | 10-15 days | |
| Export to | Ireland,Singapore,Indonesia,Ukraine,SaudiArabia,Spain,Canada,USA,Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada,VietNam,Peru,Mexico,Dubai, Russia,etc | |
| Package | Standard export seaworthy package,or as required. | |
| Container size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
|
Chemical Composition of Stainless Steel Welded Square Pipes
| STAINLESS STEEL PIPE GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | |
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | |
| TP316 | S3160 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 |
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Mechanical Analysis of 304 Stainless Steel Square Pipe
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
SS 304LSquare Pipe Weight
| Square Hollow Section | Size | kg / m |
| Black SS Square Pipe | 12 x 12 x 1.5 mm | 0.59 |
| Silver SS Square Pipe | 15 x 15 x 1.2 mm | 0.54 |
| Welded Stainless Steel Square Pipe | 15 x 15 x 1.5 mm | 0.66 |
| Stainless Steel Box Pipe | 20 x 20 x 1.2 mm | 0.73 |
| Stainless Steel ERW Square Pipes | 20 x 20 x 1.5 mm | 0.90 |
| Stainless Steel Square Pipe | 20 x 20 x 2.0 mm | 0.18 |
| SS Square Pipe | 25 x 25 x 1.2 mm | 0.93 |
| Ferritic Stainless Steel Square Pipe | 25 x 25 x 1.5 mm | 1.15 |
| Austenitic Stainless Steel Square Pipe | 25 x 25 x 2.0 mm | 1.50 |
| Martensitic Stainless Steel Square Pipe | 25 x 25 x 3.0 mm | 2.22 |
| Austenitic Chromium Nickel Stainless Steel Square Pipe | 30 x 30 x 1.2 mm | 1.11 |
| Chromium Nickel Stainless Steel Square Pipe | 30 x 30 x 1.5 mm | 1.37 |
| Chromium Stainless Steel Square Pipe | 30 x 30 x 2.0 mm | 1.84 |
| Ferritic Stainless Steel grade Square Pipe | 30 x 30 x 3.0 mm | 2.72 |
| Austenitic Stainless Steel grade Square Pipe | 40 x 40 x 1.2 mm | 1.50 |
| Martensitic Stainless Steel grade Square Pipe | 40 x 40 x 1.5 mm | 1.86 |
| Austenitic and Ferritic Stainless Steel Square Pipe | 40 x 40 x 2.0 mm | 2.45 |
| Super Austenitic Stainless Steel Square Pipe | 40 x 40 x 3.0 mm | 3.76 |
SS Square Pipe usage
l Construction: Hall Structure, Sea Trestle, Airport Structure, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures and Expressway Safety Guards, Balustrade, Decorating, Residential, Ornamental Pipes
l Automotive Parts: Motorcar Case,Car and Bus Manufacture, Vehicles
l Agriculture: Agricultural Equipment
l Industry: Machinery,Solar Stent, Offshore Oil Field, Mine Equipment, Electromechanical Hardware, heavy engineering, Mining and Resources, Process Engineering, Materials Handling,Mechanical Parts
l Traffic: Walking Rails, Roll-up Doors, Guardrail, Plaza Structure, Signage, Road Furniture, Fencing
l Logistics Storage: Supermarket Shelves, Containers, Transport Industries, Commercial Construction
l Other: Sports Apparatus, Leisure Equipment, Furniture, School Furniture
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