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Greenhouse Galvanized Steel Pipe |
| Diameter: | DN15-DN200 |
| O.D: | 21.3-219.1mm |
| Wall Thickness: | 1.2-6.5mm |
| Length: | 3 to 8 meter |
| Material Grade: | Q195,Q215,Q235,ST37,ST52 |
| Standard: | GB/T3091,ASTM A53,BS1387,EN39 |
| Surface Treatment: | Hot dipped galvanized |
| Zinc Coating Content: | 250-400 g/m2 |
| Ends: | Screwed both ends,one side with coupling,the other with plastic cap |
| Usage: | Greenhouse structure,water and gas transportation,scaffolding |
| Life: | More then 10 years |
Reference Standard En39:
Type |
|
| Outside Dia. of Black /Galvanized Tube |
|
| Weight of Black/ Galvanized Tube | |||||
| Size | Minimum | Maximum | Wall thickness | Plain ends | Pieces | |||||
| NB(mm) | inches | mm | inches | mm | inches | mm | inches | Kg/ft | Kg/meter | Per bundle |
3 | 40 | 11/2 | 47.8 | 1.882 | 48.8 | 1.921 | 3.2 | 0.126 | 1.090 | 3.56 | 61 |
4 | 40 | 11/2 | 47.8 | 1.882 | 48.8 | 1.921 | 4.0 | 0.157 | 1.332 | 4.37 | 50 |
1. TOLERANCE:a) On Specified OD + 0.5mm (Ovality 0.5mm):b) The Inside Diameter of tubes shall allow insertion of a guage of 37.7mm dia for a minimum length of 200mm.:c) On Wall thickness -10%:d) The mass deviation on a single tube shall not exceed -7.5% of the specified mass.2. ENDS: Cut cleanly and nominally square with the axis of the tube and free from excessive burrs.3. PROPERTIES:a) Chemical (Maximum) C - 0.20%, SI - 0.05%, MN - 1.40%, P - 0.04%, S - 0.045%, AL - Min. 0.02%.:b) Mechanical = UTS - 340 to 520 N/mm2, YS - 235 N/mm2 (minimum) & %Elongation on 5.65 S0 - 24% (minimum).4. FLATTENING TEST WELD AT 90 DEGREES (COLD)a) For weld : Distance between the platens, measured under load is not greater than 75% of the OD of tube.b) For Material :Distance Between the platens, measured under load is not greater than 60% of the OD of tube.5. STRAIGHTNESS: 1 in 500 (In 1 meter it should not exceed 3mm).6. ZINC COATING: Minimum local coating thickness on the outside surface 40 microns.(GALVANIZING)7. MARKING: a) We can emboss mill sign "EN 39 UTP 3 or 4." online at every one meter interval over the length of pipe.b) We can do online stencilling as per customer needs.8. PACKING: Hexagonal type.9. MILL TEST CERTIFICATE:We can issue a MTC, certifying that the tubes supplied comply with this Standard.
(BS1387) Galvanized Steel Pipe