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| FINISH |
OUTSIDE DIAMETER
(O.D) |
WALL THICKNESS
(THK) |
HOT FINISH
SEAMLESS (HFS) |
38 To 273 MM |
3 To 50 MM |
COLD DRAWN
SEAMLESS (CDS) |
12 To 139.70 MM |
2 To 20 MM |
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| FINISH |
TOLERANCE ON
O.D. |
TOLERANCE ON
THK |
| HFS |
+ - 0.75% |
+ - 7.50% |
| CDS |
+ - 0.50% |
+ - 5.00% |
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Even closer tolerances can be considered on special request. |
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Tubes are normally made in random lenghts of 4 to 20 meters. In certain sizes we can offer tubes upto 25 metres lenght. Tubes can be supplied in specific lenghts or multiples. |
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Thereof, as per customers requirement within the above range.
Tubes are heat treated to customers exact requirements in atmosphere controlled continuous furnace. Some of heat treatments done are annealing, spherodize annealing, normalizing, hardening, tempering, bright annealing, stress annealing and quench tempered. |
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We also supply Tubes in plain carbon, low and medium alloy steels. Some of the grades in regular production are SAE 1012, 1019, 1026, 1035, 1040, 4142 H, 4130 H, 8620, 52100, EN8C, 8M, 19, 19B, 31, 14, 24, CK 17, 13 CR, MO 44, HMnV.. Din. ISI. |
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Ordnance Use |
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Automobiles |
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Boiler Tubes |
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Bearings |
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Heat Exchanger |
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Mining Industry |
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Structural Tubes |
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Oil Industry |
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Heat Exchanger |
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Hydraulic & Pneumatic |
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Cylinder |
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