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Steel Tubes India has pride in providing a whole range of high-class, customizable and innovative ASTM A213 T91 Alloy steel Seamless Tube using state-of-art technology. Our range includes ASTM A213 T91 Alloy steel Seamless Tube, Stainless Steel Seamless pipes & Tubes, Carbon Steel Seamless Pipes & Tubes and Alloy Steel Seamless Pipes & Tubes. For more than five decades, Steel Tubes India has been serving the needs of the oil and gas industries, automotive, shipbuilding, power plants. All the supply records for most of the severe environment of ASTM A213 T91 Alloy steel Seamless Tube & pipe line indicate that Steel Tubes India is the leader in line pipe technologies.
We have been supplying high quality ASTM A213 T91 Alloy steel Seamless Tube with most advance technology and with most reliable quality. We place importance not just on managing material sales, but also on 'before' and 'after service'. We are winner of All India Award for Export Excellence for 2006-07, 2007-08, 2008-09, 2009-10, 2010-11.
| Alloy Steel | |
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| Standards | Seamless Pipe |
| ASTM | A 335 |
| ASME | SA 335 |
| Pipe Type | NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|---|
| ASTM A213 T91 Alloy steel Seamless Tube | 1/8″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 1/4″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 3/8″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 1/2″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 3/4″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 1″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 1 1/4″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 1 1/2″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 2″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 2 1/2″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 3″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 4″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 5″ |
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| ASTM A213 T91 Alloy steel Seamless Tube | 6″ |
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Mechanical Tests Specified
| Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test | |
| For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested. | |
| For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe. | |
| Notes for Hardness Test: | P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC]. |
| Notes for Bend Test: | For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test. |
| Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser. | |
| The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion. | |
| The inside diameter of the bend shall be 1 inch [25 mm]. | |
| Hydrostatic Test | Each length of pipe shall be Hydro tested, at option of manufacture nondestructive electric testing can be used. |
At Steel Tubes India, we proudly provide quality ASTM A213 T91 Alloy steel Seamless Tube to the following industries:
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| P5, P9, P11, and P22 | |||
|---|---|---|---|
| Grade | Heat Treatment Type | Normalizing Temperature Range F [C] | Subcritical Annealing or Tempering Temperature Range F [C] |
| P5 (b,c) | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| Subcritical Anneal (P5c only) | ***** | 1325 - 1375 [715 - 745] | |
| P9 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P11 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1200 [650] | |
| P22 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P91 | Normalize and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Quench and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
ASTM A213 T91 Alloy steel Seamless Tube Packaging at Steel Tubes India Factory |
ASTM A213 T91 Alloy steel Seamless Tube Packaging at Steel Tubes India Factory |
| Packaging Details: | There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method to work prevent rusting and Sea transportation security. Our ASTM A213 T91 Alloy steel Seamless Tube packing can meet any needs of the customers. ASTM A213 T91 Alloy steel Seamless Tube Bundle packing |
| Delivery Detail: | 7-15 days |
Our main markets for selling are:
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