20 - 40,000 metric ton
40,001 - 999,999 metric ton
group nameTYT STEEL SCAFFOLDING
Min Order20 metric ton
brand nameTYTSTEEL
payment methodT/T, L/C, D/P D/A, MoneyGram, Credit Card, Westem Union, Escrow
update timeTue, 22 Apr 2014 14:14:01 GMT
Standard BS, GB, ASTM
Standard BS 1387, BS 1139, BS 4568, BS EN 39, GB/T 13793-1992, ASTM A106-2006
Grade 16Mn, A53-A369, ST35-ST52, Q195-Q345
Grade 16Mn, A53(A,B), St37, St52, St42, Q235, Q345, Q195, Q215
Thickness 1.2 - 15 mm
Section Shape Round
Outer Diameter 21.3 - 273.1 mm
Application Structure Pipe
Technique ERW
Certification ISO9001-2008
Surface Treatment Galvanized
Special Pipe Thick Wall Pipe
Standard BS, GB, ASTM
Grade 16Mn, GR.B, ST35-ST52, Q195-Q345B
Thickness 1.2-15mm
Surface Treatment Galvanized
Brand name TYSTEEL
Certification ISO9001-2008
other name hot dip galvanized steel pipe,ASTM A53 A galvanized steel pipe
relative name bs 1387 galvanized steel pipe
Min Order20 metric ton
ASTM A53 Galvanized steel pipe
ASTM A53 SCHEDULE 40 GRADE A & B | |||||||||||||
Outside Dia. Of Black iron pipe/hot dip Galvanized tube | Weight of Black iron /Hot dip Galvanized tube | ||||||||||||
SIZE | Minimum | Maximum | Wall Thickness | Plain Ends | Secrewed & Socketed | Pieces | |||||||
INCH | NB(mm) | INCHES | mm | Inches | mm | Inches | mm | lb./Ft. | Kg./Mtr. | lb./Ft. | Kg./Mtr. | per bundle | Factory standard |
1/2'' | 15 | 0.809 | 20.9 | 0.856 | 21.7 | 0.109 | 2.77 | 0.85 | 1.27 | 0.85 | 1.27 | 120 | 217 |
3/4'' | 20 | 1.020 | 26.3 | 1.070 | 27.1 | 0.113 | 2.87 | 1.13 | 1.69 | 1.13 | 1.69 | 84 | 169 |
1'' | 25 | 1.280 | 33.0 | 1.330 | 33.8 | 0.133 | 3.38 | 1.68 | 2.50 | 1.68 | 2.50 | 60 | 127 |
11/4'' | 32 | 1.630 | 41.8 | 1.680 | 42.6 | 0.140 | 3.56 | 2.27 | 3.39 | 2.28 | 3.40 | 42 | 91 |
11/2'' | 40 | 1.870 | 47.9 | 1.920 | 48.7 | 0.145 | 3.68 | 2.72 | 4.05 | 2.73 | 4.06 | 36 | 91 |
2'' | 50 | 2.350 | 59.7 | 2.400 | 60.9 | 0.154 | 3.91 | 3.65 | 5.44 | 3.68 | 5.46 | 26 | 37 |
21/2'' | 65 | 2.850 | 72.3 | 2.900 | 73.7 | 0.203 | 5.16 | 5.79 | 8.63 | 5.82 | 8.67 | 18 | 37 |
3'' | 80 | 3.460 | 88.0 | 3.530 | 89.8 | 0.216 | 5.49 | 7.58 | 11.29 | 7.62 | 11.35 | 14 | 37 |
31/2'' | 90 | 3.960 | 100.6 | 4.040 | 102.6 | 0.226 | 5.74 | 9.11 | 13.57 | 9.20 | 13.71 | 12 | 19 |
4'' | 100 | 4.450 | 113.2 | 4.540 | 115.4 | 0.237 | 6.02 | 10.79 | 16.07 | 10.89 | 16.20 | 10 | 19 |
5'' | 125 | 5.510 | 139.9 | 5.620 | 142.7 | 0.258 | 6.55 | 14.62 | 21.77 | 14.81 | 22.10 | 7 | 19 |
6'' | 150 | 6.560 | 166.6 | 6.690 | 169.98 | 0.280 | 7.11 | 18.97 | 28.26 | 19.18 | 28.60 | 7 | 19 |
1.TOLERANCE:
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a)On Thickness: The minimum wall thickness at any point shall be not more than 12.5% under the nominalwall thickness specified. | |||||||||||||
b)On Diameter:For NPS 11/2" & under at any point shall not vary more than +/- 0.4mm. For NPS 2" & above shall not vary more than +/-1% from the standard specified. | |||||||||||||
c)On Weight: The weight of the pipe shall not vary by more than +/- 10% of the specified value. | |||||||||||||
2.ENDS:
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a)11/2" and below size - End finish shall be at the option of manufacturer. Nominally square cut with theaxis of tube and free from excessive burrs. | |||||||||||||
b)2" and above size - Bevelled with ends bevelled to an angle of 30 degrees +5/-0 measured from a line perpendicular to the axis of the pipe with a root face of 1.6mm +/-0.8mm. | |||||||||||||
3.INTERNAL DEBEADING: From size 2" & above internal beads can be completely removed.
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4.PROPERTIES:
a) Chemical = (Maximum) C - 0.30%, Mn - 1.20%, S - 0.045% & P - 0.050%, Cu-0.40%, Ni-0.40%, Cr-0.40%,Mo-0.15%, V-0.08%, (Cu+Ni+Cr+Mo+V = 1.0% max) | |||||||||||||
b) Mechanical (Minimum) = UTS - 415 N/mm2, YS - 240 N/mm2 & %Elongation 19 to 25% . | |||||||||||||
5.BEND TEST (COLD): Applicable to tubes upto and including nominal size of 50mm. | |||||||||||||
a)When ordered for close coiling bend upto 180 degrees around a cylindrical mandrel, the Dia of which is 8 times the OD of pipe. | |||||||||||||
b)Bend upto 90 degree around a cylindrical mandrel, the dia of which is 12 times the OD of pipe .No cracks at any portion and no open in the weld. | |||||||||||||
7.LEAK TIGHTNESS TEST:a) Online NDT (Eddy current ) b) Hydro test at a pressure of 700 PSI to 2500 PSI | |||||||||||||
8.ZINC COATING: Average 550 Gm/M2, but one side should not be less than 490 Gm/M2. Free from bare spots,black spots,(GALVANIZING) rough,overcoating,peel off or any other surface defects. | |||||||||||||
9.THREADING: For 1/2" to 3/4" - 14 TPI, 1" to 2" - 11.5 TPI and 21/2" to 6" = 8 TPI.Check with standard ASTM ring and plug gauges. | |||||||||||||
10.MARKING: We can do online by stencilling as per this standard & as per customer needs at one meter interval. | |||||||||||||
11 PACKING:Hexagonal type. | |||||||||||||
12.MILL TEST CERTIFICATE: We can issue a MTC, certifying that the tubes supplied comply with this ASTM A 53 Standard. |
key words: hot dip galvanized steel pipe , ASTM A53 A galvanized steel pipe , bs 1387 galvanized steel pipe ,pre galvanized steel pipe , pre galvanized steel tube , round tube, carbon steel pipe , conduit pipe, seamless steel pipe ,
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