Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Alloy Steel T11 Tubes, which is available in different designs, shapes and sizes for our patrons. The annealing temperature for these Alloy Steel T11 Seamless Tubes is 1066 Degree C (1950 Degree F), and water quenching is advised (rapid air cooling is feasible with thinner structures). For example, the recommended start temperature for hot forging in our Alloy Steel T11 Welded Tubes is 1232 Degree C (2250 Degree F) and the recommended finish temperature is 982 Degree C (1800 Degree F).
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A hold time at the annealing temperature of 10 minutes to 30 minutes is recommended for these Alloy Steel T11 EFW Tubes; depending on the thickness of the structure (thicker structures need the full 30 minutes). Following all hot forming operations, our Alloy Steel T11 ERW Tubes should be re – annealed, to restore optimum properties. Whereas these Alloy Steel T11 Round Tubes suffers from the rapid formation at around 750 Degree C, it takes several hours (at around 650 Degree C) to induce deleterious second phases in this alloy.
This is due to the judicious use of minor elements in our Alloy Steel T11 Square Tubes and also a shift in the molybdenum content, to induce the slowly – forming instead. The most deleterious of certain alternate phases in these Alloy Steel T11 Rectangular Tubes, forms quickly at certain temperatures, affects ductility, and reduces resistance to stress corrosion cracking.
Alloy Steel T11 Seamless Tubes Specifications |
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| Specifications | : | ASTM A/ASME SA213, A691 |
| Dimensions | : | ASTM, ASME and API |
| Tubes Size |
: | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | : | 6-2500mm; WT:1-200mm |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / EFW / Fabricated |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
T11 Alloy Steel Tube Chemical Composition
|
Grade
|
C≤
|
Mn
|
P≤
|
S≤
|
Si≤
|
Mo
|
|---|---|---|---|---|---|---|
|
T11
|
0.05~0.15
|
0.30~0.60
|
0.025
|
0.025
|
0.50~1.0
|
0.44~0.65
|
Alloy Steel T11 Tubes Mechanical Properties
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| T11 | 415 min | 205 min | 30 min | 179 max |
Alloy Steel T11 Seamless Tube Outside Diameter and Tolerance
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
Alloy Steel T11 Seamless Tubes Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
T11 Alloy Steel A213 Tube Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Alloy Steel T11 Tubes
Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Alloy Steel T11 Tubes, which is available in different designs, shapes and sizes for our patrons. The annealing temperature for these Alloy Steel T11 Seamless Tubes is 1066 Degree C (1950 Degree F), and water quenching is advised (rapid air cooling is feasible with thinner structures). For example, the recommended start temperature for hot forging in our Alloy Steel T11 Welded Tubes is 1232 Degree C (2250 Degree F) and the recommended finish temperature is 982 Degree C (1800 Degree F).
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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