HFI WELDING PIPE/SCAFFOLDING PIPES
Scaffolding Pipes are widely used for supporting man and materials, tools and tackles during construction, alteration, |
| demolition and maintenance works because of their several advantages over conventional type of timber /bamboo |
| scaffolding. |
| Generally, made of hot dipped, galvanized steel, which offers long-term corrosion resistance, it won't rot, absorb |
| moisture, split, splinter, swell, warp or burn, thereby providing considerable life-cycle cost savings. While weighing |
| less than the average wood scaffold plank, steel scaffolding is stiffer over any given span,reducing bounce and providing |
| a more stable platform. |
| Steel Scaffold Tubes, black, 48.3 mm O.D., mild steel,steel tubes conform to GB/T13793-2008,BS1139-82,EN39, |
| JIS G3444.These are made available in random lengths of 3M to 6M or of required cut length painted in desired color. |
| In the world of Steel Pipes, Scaffoldings, Tangshan huaye steel pipe manufacturing co.,ltd ,The factory has vast |
| experience over 30 years, in various dimensions and diversified interests, with multiple products – from steel pipes, |
| Scaffolding Pipes to structural – HUAYE can claim to be the only unit in China who has such a wide range of product |
| structural – HUAYE can claim to be the only unit in China who has such a wide range of product high integrity.HUAYE |
| is forging and enduring a profitable relationship with stake holders. |
| |
| Description and main application Scaffolding is temporary structure used to support people and material in the construction and repair of buildings and other larga structures. Material Storage Racks, Pallets, Hydraulic Platforms, Trusses, Columns, PURLINS, Greenhouse, Strand, Towers, Agricultural Equipment.
|
| This specification is mainly for scaffolding pipes in which there are two types 3 and types4. |
| The size is 48.30mm |
| Technical details are as below |
| TYPE | SPECIFICATION O.D.(mm) | O.D.(Max)mm | O.D.(Max)mm | THICKNESS(mm) | MASS(Kg/Mtr) | ||
| Specified | Min | Specified | Min | ||||
| Type-3 | 48.3 | 47.8 | 48.8 | 3.2 | 2.88 | 3.56 | 3.29 |
| Type-4 | 48.3 | 47.8 | 48.8 | 4.0 | 3.6 | 4.37 | 4.04 |
| Tolerance on roundness is 0.5mm |
| Straightness:0.002 times length. |
| Flattening test: Flatten the piece keeping the weld at 0°& 90°till 75% of O.D. with any cracks on the weld. |
| And further flatten up to 60% ensure that no cracks in the metal other than weld. |
| A mandrel of 33.70mm to go freely on both sides for a minimum length of 200mm. |
| MECHNICAL PROPERTIES | CHEMICAL COMPOSITION(max)% | |||||||
| Yield Strength(Yst) | Tensile Strength(Uts) | Elongation% | C | Mn | P | S | Al(min) | Si |
| 235Mpa min | 340-520 Mpa | 24min | 0.2 | 1.4 | 0.040 | 0.045 | 0.020 | 0.05Max |
| The pipes can be manufactured as per clients requirement with reference to mechnical properties. |
| Zinc Coating: As per EN: 10240 B2,GB/T3091 coating quality ar as per EN: 1461. |
| Product Name: | Scaffolding Tube/Galvanized steel tube/ERW Welded Pipe |
| Size | Outer diameter: 48.3mm |
| Wall Thickness: 2.3mm,2.4mm,2.5mm,2.75mm,3.0mm,3.25mm,3.5mm,3.75mm | |
| Zinc Coating: hot dipped galvanized:Z60-120g/m2 | |
| Steel Material | Q195 Q215 Q235 Q345B ST37.2,S235JR,S275J,S355JR |
| Standard | BS 1139,EN39,GB/T13793,ASTM A500,JIS G3444, BS6323,IS 1161,NF A49, KS D3566 Scaffolding Pipe And Scaffolding Tubes For General Structural Purposes |
| Technical | HFW/HFI(High frenquency induction welding) Electronic Resistance Welded (ERW ) |
| Length | 1.52m,2.50m,3.00m,4.90m,5.0m,5.2m,6m,6.4m,6.5m,7m,7.5m(customizable) |
| End | Square cut, Burr removed |
| Surface Treatment | Varnish Coating, Bitumen Coating (Color red/blue/orange/yellow mainly) Hot dip galvanized, Lightly oil coating,Black |
| Inspection | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test),Exterior Size Inspection. |
| Package | Hexagonal bundling approximately 1 ton |
| Addition: | Special design available according to requirment .Anti-corrosion and high-temperature resistant with black painting .All the production process are made under the ISO9001:2000 strictly Weight per Piece=(OD-Thickness)*Thickness*Length*0.0246615 |
Founded in 2004, Tangshan Huaye Steel Pipe Manufacturing Co., Ltd. It is located in Tangshan of Hebei province
in the north of China, with registered capital 10 million RMB and 200 staff. It is a one-stop business of production
and trade with good reputation and high prestige in north China. Our main products are prestressed concrete steel
bars, prestressed concrete steel wire and high frequency welded steel pipe (including scaffold pipe) of the corporation.
We have two factories, both with test laboratories, and 15 production lines; 7 steel bars (30 MnSi) production line,
supply ability around ninety thousand Tons per year, 2 steel wire (YL77B, YL82B) production line, supply ability
around twenty thousand tons each year, 4 HFW steel pipe (Q195, Q215, Q235) production line, supply ability
around twenty hundred thousand tons per year.
Our company has passed ISO9001:2008 Quality management system certification since 2013.
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