Alloy Steel Seamless Boiler Tube
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ASTM A213 Alloy Steel Tube gradeAlloy Steel Boiler Tubes Pressure Rating ChartSA213 Alloy Steel Round Tube Wall thickness & ToleranceAlloy Square Tube SizeEquivalent Grade of Alloy Steel heat exchanger tubePermissible Variation in Wall Thickness of Alloy Steel TubingASTM A213 AS Round Tubes Elongation RequirementsApplications of Alloy Steel Seamless Boiler Tube
Gallery
Alloy Steel Seamless Boiler Tube in Detail
Specification
Features & Applications
Alloy Steel Tube Size
- 1/2 to 5 inch
ASTM A213 Seamless Boiler Thickness
- 1 mm to 12 mm
Alloy Steel Seamless Tube Schedule
- Sch 10 to Sch 160
High Alloy Steel Heat Exchanger Tube OD
- 6 mm to 2500 mm
Low Alloy Steel Superheater Tube Alloying elements
- Low alloy steels : < 5%
- High alloy steels : > 5%
Chrome Alloy Steel Seamless Tubing Ends
- Plain
- Threaded
- Beveled
Chromoly Round Tube Heat Treatment
- Normalize Quench and Tempering
- Normalizing & Hardening
- Quench and Tempering
Chromoly Steel Square Tube Application
- Power Generation
- Paper Mill Equipment
- Oil & Gas Exploration
Chromoly Steel Alloy Heater Tube Dimensional Standard
- DIN
- GB
- ASTM
- EN
- JIS
- SUS
Chromoly Steel Alloy Welded Tube Length
- Single Random
- Cut to Length
- Double Random
Alloy Steel Hydraulic Tubing Additional Requirements
- NACE MR 0175
- IBR
- NACE MR 0103
- IMPACT
- IGC
Chrome Alloy Steel Instrumentation Tube Outside Coating
- Black Painting
- Galvanised Finish
- Anti-Corrosion Oil
- Finish as per Requirements
Chromium Alloy Steel Redrawn Tube Wall Thickness
- Thick wall
- Medium wall
Delivery Condition
- BKW
- BK
- NBK
- GBK
Chromium Alloy Steel Condenser Tube Welding Electrodes
- Electric Resistance Welding
- High frequency welding
- Electric Fusion Welding
- Submerged Arc Welding
Chromoly Metal Capillary Tubing Inspection Agencies
- TUV
- BVQS
- DNV
- LLOYDS
- EIL
Chromoly Alloy High Pressure Tube According to
- ASME B36.19
- ASME B36.10
Low Carbon Steel Tube Additional Requirements
- IBR
- NACE MR 0103
- NACE MR 0175
- IGC
- HIC
Low Alloy Steel Boiler Tube Coating Standard
- ANSI/AWWA C104/A21.4
- DIN 30670
- ISO 21809
Alloy Square Tube Surface Finish
- Pickled
- Cleaned
- Passivated
- Precleaned
SA 213 Condenser Tube Tensile Strength
- 415 MPa min
Testing requirements for Chrome Moly Electropolish Tube
- Ultrosonic test
- 100% eddy current test
- 100% Radiographic Test
AS High Pressure Tube Finishing Treatment
- Cold Finished
- Hot Finished
Supporting documents for Alloy Steel Rectangular Tubing
- MTC EN 10204 3.1/3.2
- Check List
- Labeling verification
- Inspection plan
- Inspection reports
- Origin
Yield Strength
- 205 Mpa min
Value Added Services
- Machining
- Threading
- Cut to Length
- Welding
- Beveling
Chromium Alloy Steel Heater Tube Manufacturing Types
- Hot Rolled
- Cold Drawn
Alloy Sanitary Tubing Material Types
- Chrome Moly Alloy
Manufacturing Types
- Seamless
- Electric Resistance Welded
- DOM
- EFW
- Fabricated
- CEW
- CDW
- LSAW
- Welded
Low Alloy Steel Gas Tube Form
- Hollow
- Rectangular
- Round
- Square
AS Tube Origin Standards
- American
- European
- Janpanese
- Russia
Marking
- Nominal Size
- Method of Manufacturing
- Manufacturer’s Name
- Schedule or Wall Thickness
- Specification
- Material Grade
- Heat Number
European standard
- EN 10216-2
- EN 10217-2
Hollow Sections AS Tubes
- Boom
- Square
- Culvert
- Round
- Honed
Testing Available
- X-Ray
- Micro and MacroTest
- Pitting Resistance Test
- IGC Test
- UT
- Hardness Test
- Mechanical Testing
- Dye Penetrant
- PMI Testing
- Chemical Analysis
- Flattening Test
- Flaring Test
Packaging
- Bundles
- Custom
- Crates
- Wooden Boxes
- PE Fabric Bundles
- Wrapped in plastic
Equipment Required
- Press machine
- Sand-blasting machine
- Pushing Machine
- Electric bevelling machine
- Bending machine
Express Courier Services
- FedEx
- UPS
- TNT
- DHL
Alloy Steel Seamless Tube Certification
- Heat Treatment Charts
- MTC EN 10204 3.1/3.2
- Third Party Inspection Report
- Commercial Invoice
- Raw Materials Certificate
- HS Code
- Form A for GSP
- DFARS compliant
Applications of Alloy Steel Seamless Boiler Tube
- Power Generation — condensers
- Condensers in fossil
- Food and Beverage Processing
- Pulp and Paper Processing
- Textiles with acid dyes
- Nuclear fueled power generation stations
Available As
Alloy Steel Gas TubeHigh Alloy Steel Round TubeLow Alloy Steel Coiled TubingBoiler Steel Instrumentation TubeChrome Alloy Steel Heat Exchanger TubeChromoly Superheater TubesChromoly Steel Cold Drawn TubeChromoly Alloy Boiler TubeAS ERW TubeChromoly Steel Alloy Capillary TubingChromium Alloy Steel Electropolish TubeChromoly Metal Instrumentation TubingAlloy Steel Rectangular TubingHigh Alloy Steel Exhaust TubingLow Alloy Steel Cold Redrawn Reboiler TubesBoiler Steel Polish TubeChrome Alloy Steel Heater TubeChromoly Bright Annealed TubeChromoly Steel Hydraulic TubingChromoly Alloy Redrawn TubeChromoly Steel Alloy Annealed TubeChromium Alloy Steel Mechanical TubingChromoly Metal Condenser TubesAlloy Steel Sanitary TubingHigh Alloy Steel Seamless TubeLow Alloy Steel Precision TubesBoiler Steel Extruded TubeChrome Alloy Steel High Pressure TubeChromoly Welded TubeChromoly Steel Square TubingAS Condenser Tube
Technical Data
Full Specifications
›Technical Data
ASTM A213 Alloy Steel Tube grade
| Grade | 4140 | 4130 | 15CDV6 |
|---|---|---|---|
| Specification | AMS 6381 | MILT6736 AMS 6371 AMS 6360 | AIR9160C 1.7734.5 1.7734.6 |
| Temper | A N T | N | T980 T1080 |
Alloy Square Tube Size
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| Size | NB | OD | XXS | S160 | S140 | S120 | S100 | S80 | XS/80S | S60 | S40 | 40S | S20 | S10 | 10S | 5S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | NB | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm |
| 1/8" | 10.29 | 2.41 | 1.73 | 1.2 | ||||||||||||
| 1/4" | 13.72 | 3.02 | 2.24 | 1.7 | ||||||||||||
| 3/8" | 17.15 | 3.2 | 2.31 | 1.7 | ||||||||||||
| 1/2" | 15 | 21.34 | 7.47 | 4.78 | 3.73 | 3.73 | 2.77 | 2.8 | 2.1 | 1.7 | ||||||
| 3/4" | 20 | 26.67 | 7.82 | 5.56 | 3.91 | 3.91 | 2.87 | 2.9 | 2.1 | 1.7 | ||||||
| 1" | 25 | 33.4 | 9.09 | 6.35 | 4.55 | 4.55 | 3.38 | 3.4 | 2.8 | 1.7 | ||||||
| 1 1/4" | 32 | 42.16 | 9.7 | 6.35 | 4.85 | 4.85 | 3.56 | 3.6 | 2.8 | 1.7 | ||||||
| 1 1/2" | 40 | 48.26 | 10.2 | 7.14 | 5.08 | 5.08 | 3.68 | 3.7 | 2.8 | 1.7 | ||||||
| 2" | 50 | 60.33 | 11.1 | 9.74 | 5.54 | 5.54 | 3.91 | 3.9 | 2.8 | 1.7 | ||||||
| 2 1/2" | 65 | 73.03 | 14 | 9.53 | 7.01 | 7.01 | 5.16 | 5.2 | 3.1 | 2.1 | ||||||
| 3" | 80 | 88.9 | 15.2 | 11.1 | 7.62 | 7.62 | 5.49 | 5.5 | 3.1 | 2.1 | ||||||
| 3 1/2" | 90 | 101.6 | 8.08 | 8.08 | 5.74 | 5.7 | 3.1 | 2.1 | ||||||||
| 4" | 100 | 114.3 | 17.1 | 13.5 | 11.1 | 8.56 | 8.56 | 6.02 | 6 | 3.1 | 2.1 | |||||
| 5" | 125 | 141.3 | 19.1 | 15.9 | 12.7 | 9.53 | 9.53 | 6.55 | 6.6 | 3.4 | 2.8 | |||||
| 6" | 150 | 168.3 | 22 | 18.3 | 14.3 | 11 | 10.97 | 7.11 | 7.1 | 3.4 | 2.8 | |||||
| 8" | 200 | 219.1 | 22.2 | 23 | 20.6 | 19.3 | 15.1 | 12.7 | 12.7 | 10.3 | 8.18 | 8.2 | 6.4 | 3.8 | 2.8 | |
| 10" | 250 | 273.1 | 25.4 | 28.6 | 25.4 | 21.4 | 19.3 | 15.1 | 12.7 | 12.7 | 9.27 | 9.3 | 6.4 | 4.2 | 3.4 | |
| 12" | 300 | 323.9 | 25.4 | 33.3 | 28.6 | 25.4 | 21.4 | 17.5 | 12.7 | 14.3 | 10.3 | 9.5 | 6.4 | 4.6 | 4 | |
| 14" | 350 | 355.6 | 35.7 | 31.8 | 27.8 | 23.8 | 19.1 | 12.7 | 15.1 | 11.1 | 9.5 | 7.9 | 6.4 | 4.8 | 4 | |
| 16" | 400 | 406.4 | 40.5 | 36.5 | 31 | 26.2 | 21.4 | 12.7 | 16.7 | 12.7 | 9.5 | 7.9 | 6.4 | 4.8 | 4.2 | |
| 18" | 450 | 457.2 | 45.2 | 39.7 | 34.9 | 29.4 | 23.8 | 12.7 | 19.1 | 14.3 | 9.5 | 7.9 | 6.4 | 4.8 | 4.2 | |
| 20" | 500 | 508 | 50 | 44.5 | 38.1 | 32.5 | 26.2 | 12.7 | 20.6 | 15.1 | 9.5 | 9.5 | 6.4 | 5.5 | 4.8 | |
| 22" | 550 | 558.8 | 54 | 47.6 | 41.3 | 34.9 | 28.6 | 12.7 | 22.2 | 9.5 | 9.5 | 6.4 | 5.5 | 4.8 | ||
| 24" | 600 | 609.6 | 59.5 | 52.4 | 46 | 38.9 | 31 | 12.7 | 24.6 | 17.5 | 9.5 | 9.5 | 6.4 | 6.4 | 5.5 | |
| 26" | 650 | 660.4 | 12.7 | 9.5 | 13 | 7.9 | ||||||||||
| 28" | 700 | 711.2 | 12.7 | 9.5 | 13 | 7.9 | ||||||||||
| 30" | 750 | 762 | 12.7 | 9.5 | 13 | 7.9 | 7.9 | 6.4 | ||||||||
| 32" | 800 | 812.8 | 12.7 | 17.5 | 9.5 | 13 | 7.9 | |||||||||
| 34" | 850 | 863.6 | 12.7 | 17.5 | 9.5 | 13 | 7.9 | |||||||||
| 36" | 900 | 914.4 | 12.7 | 19.1 | 9.5 | 13 | 7.9 |
Permissible Variation in Wall Thickness of Alloy Steel Tubing
| col_1 | col_2 | col_3 |
|---|---|---|
| Specifications | Allowable Wall / Variations in % | Allowable Wall / Variations in % |
| ASTMA-213 / Seamless Ferritic & / Austenitic steel, / Boiler & Superheater Tubes & Austenitic / steel Heat / exchange Tubes | Over | Under |
| ASTMA-213 / Seamless Ferritic & / Austenitic steel, / Boiler & Superheater Tubes & Austenitic / steel Heat / exchange Tubes | 20 / 20 / 22 / 22 / 22 / 22 | 0 / 0 / 0 / 0 / 0 / 0 / |
ASTM A213 AS Round Tubes Elongation Requirements
| col_1 | col_2 | col_3 | col_4 | col_5 | col_6 |
|---|---|---|---|---|---|
| Wall Thickness | Wall Thickness | T5, T9, T11, T22 | T5, T9, T11, T22 | T5, T9, T11, T22 | P91 |
| in. | mm | Longitudinal | Longitudinal | Transverse | Longitudinal |
| 5/16 (0.312) | 8 | 30 | 20 | 20 | |
| 9/32 (0.281) | 7.2 | 28 | 19 | 19 | |
| 1/4 (0.250) | 6.4 | 27 | 18 | 18 | |
| 7/32 (0.219) | 5.6 | 26 | 17 | ||
| 3/16 (0.188) | 4.8 | 24 | 16 | ||
| 5/32 (0.156) | 4 | 22 | 15 | ||
| 7/8 (0.125) | 3.2 | 21 | 14 | ||
| 3/32 (0.094) | 2.4 | 20 | 13 | ||
| 1/18 (0.062) | 1.6 | 18 | 12 |
›Pressure Ratings
Alloy Steel Boiler Tubes Pressure Rating Chart
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| Outside Diameter | (in) | 0.54 | 0.84 | 1.315 | 1.9 | 2.875 | 4 | 5.563 | 8.625 | 12.75 | 16 | 20 | 24 | 32 | 36 | 42 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | (in) | 1/4 | 1/2 | 1 | 1 1/2 | 2 1/2 | 3 1/2 | 5 | 8 | 12 | 16 | 20 | 24 | 32 | 36 | 42 |
| Schedule | XXS | 17150 | 13340 | 10316 | 9408 | 6606 | 4971 | 3843 | ||||||||
| Schedule | 160 | 10908 | 9316 | 7247 | 6391 | 5505 | 5147 | 5042 | 4882 | 4824 | 4786 | |||||
| Schedule | 140 | 4613 | 4324 | 4404 | 4288 | 4210 | ||||||||||
| Schedule | 120 | 4404 | 4085 | 3843 | 3733 | 3675 | 3700 | |||||||||
| Schedule | 100 | 3375 | 3244 | 3157 | 3138 | 3126 | ||||||||||
| Schedule | 80 | 10798 | 8575 | 6670 | 5158 | 4704 | 3896 | 3303 | 2841 | 2644 | 2585 | 2526 | 2489 | |||
| Schedule | XS | 10798 | 8575 | 6670 | 5158 | 4704 | 3896 | 3303 | 2841 | 1922 | 1531 | 1225 | 1021 | |||
| Schedule | 60 | 2307 | 2160 | 2009 | 1989 | 1978 | ||||||||||
| Schedule | 40 | 7985 | 6358 | 4956 | 3739 | 3460 | 2769 | 2273 | 1829 | 1560 | 1531 | 1455 | 1405 | 1054 | 1021 | 875 |
| Schedule | STD | 7985 | 6358 | 4956 | 3739 | 3460 | 2769 | 2273 | 1829 | 1441 | 1148 | 919 | 766 | 574 | 510 | 438 |
| Schedule | 30 | 1574 | 1268 | 1148 | 1225 | 1147 | 957 | 851 | 729 | |||||||
| Schedule | 20 | 1420 | 961 | 956 | 919 | 766 | 766 | 681 | 583 | |||||||
| Schedule | 10 | 766 | 613 | 510 | 478 | 425 |
›Tolerances
SA213 Alloy Steel Round Tube Wall thickness & Tolerance
| Hot rolled | OD in millimeter | Tolerance, % |
|---|---|---|
| Hot rolled | OD≤101.6 wall thck ≤2.4 | +40/-0 |
| Hot rolled | OD≤101.6 2.4＜wall thck ≤3.8 | +35/-0 |
| Hot rolled | OD≤101.6 3.8＜wall thck ≤4.6 | +33/-0 |
| Hot rolled | OD≤101.6 wall thck >4.6 | +28/-0 |
| Hot rolled | OD>101.6 2.4＜wall thck ≤3.8 | +35/-0 |
| Hot rolled | OD>101.6 3.8＜wall thck ≤4.6 | +33/-0 |
| Hot rolled | OD>101.6 wall thck >4.6 | +28/-0 |
| Cold Drawn | OD in millimeter | Tolerance, % |
| Cold Drawn | OD≤38.1 | +20/-0 |
| Cold Drawn | OD>38.1 | +22/-0 |
›Material Properties
Equivalent Grade of Alloy Steel heat exchanger tube
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| Grade | T11 | T22 | T5 | T9 | T91 | T92 |
|---|---|---|---|---|---|---|
| Trade Name | 1 1/4 Chrome | 2 1/4 Chrome | 5 Chrome | 9 Chrome | T91 | T92 |
| Heater Tubes | A213 | A213 | A213 | A213 | A213 | A213 |
| UNS | K11597 | K21590 | K41545 | K90941 | K90901 | K92460 |
Alloy Steel Seamless Boiler Tube
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