HDG Greenhouse Steel Pipe(ASTM A153)

 HDG Greenhouse Steel Pipe

DIAMETER:DN15-DN50

O.D: 21.3-60mm

Wall Thickness:1.4-2.5mm

Length: 3 to 8 meter

Grade:Q195 Q215 Q235 ST37 ST52

Standard: ASTM A53,BS1387,ASTM A153,EN39

Delivery status:Hot dipped galvanized

Zinc coating: 250-400 g/m2

Ends:Screwed both ends and complete with one solid coupling(socket)

Usage: Electrical,water transportation and conduct pipe

LIFE : More than 10 years

Reference Standard En39:

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.