Supplier of SA 789 UNS S31803 Seamless Tubing and A789 S31803 Boiler Tube in India as per International Standards
Table of Content
Refer A789 UNS S31803 welded tube and bright annealed tubing schedule chart
SA 789 UNS S31803 tube Sizes & Strength
- ASTM A789 UNS S31803 Seamless Pipe: 1/2” to 8”
- ASTM A789 UNS S31803 Welded Pipe: 6” to 24”
- 8.8mm to 150mm
- 0.5 – 20mm
- 6 meters (21 feet)
- Custom/ cut to size
- 483mpa-758mpa
- 70ksi-110ksi
- 90 Ksi
- 620 Mpa
- SCH160
- SCH80
- SCH120
- SCH40
- SCH20
- SCH60
- SCH80S/XS
- SCH40S/STD
- SCH10S
- SCH140
- SCH10
- SCH100
- SCH30
- SCH5/5S
- Mail us at info@namanpipe.com
ASTM A789 UNS S31803 tube Specification
SA 789 UNS S31803 heat exchanger and condenser tube are available in Annealed and Pickled condition
- UNS S31803
- Seamless
- Welded
- 1020-1100ºC
- 3-5 days
- 10-12 days
- Get Quick Quote & delivery by Air, mail us at info@namanpipe.com
- Solution Annealed
- Annealed
- Aging
- NACE MR-0175
- EN 10204-3.1
- Hot Finished
- Cold Finished
- European
- Japanese
- USA
- Korean
- Indian
- Russian
- ±12.5%
- ASTM A380 (descaled and acid cleaned)
- Pickling not required for Machined surface
- Pickled
- Polished
- Sand Blasted
- Cold Rolled / Cold Drawn
- Annealed
- Pickled (As per ASTM A380)
- Cleaned
- Precleaned
- Passivated
- Injection & ballast water systems
- Heat exchangers
- Offshore platforms
- Fire-fighting systems
- ASTM A789 S31803 U bend tube
- SA789 S31803 straight tubing (seamless)
- Threading
- Cutting
- Beveling
- Polishing
- Gas metal arc welding MIG (GMAW)
- High-frequence welding
- Resistance welding
- Flux-cored arc welding (FCW)
- Gas tungsten arc welding TIG (GTAW)
- Shielded metal arc welding (SMAW)
- Laser welding
- Plasma arc welding (PAW)
- Addition to the marking required
- SA789 S31803 tubes shall be marked by vibro-etching.
- Nominal pipe size (NPS).
- Specification and grade of material.
- Identification marking of pipe
- Heat Number & Batch Number.
- Sizes and wall thickness
- Tension test
- 100% PMI tested
- Flange test (for SA789 S31803 welded tube)
- Hardness test
- Reverse flattening test
- Flaring test (for ASTM A789M S31803 seamless tube)
- 318S13
- 1.4462
- X2CrNiMoN22.5.3
- AFNOR Z2CND22.05Az
- Sandvik SAF2205
- Norsok MDS D47
- ASTM A276 S31803/S2205
- 22 Cr
What quality assurance procedures are followed when handling UNS S31803 tubes?
- Chemical and Mechanical Testing
- Heat Treatment Verification
- Check for surface defects
- Dimensional Control
- NDT Test :- UT, RT, MPT
- Hydrostatic Test
- Pressure Test
- Cleaning procedures
- Surface Treatment : Pickling / Passivation
- Certificates of Compliance
- Guarantee Traceability Along the Whole Supply Chain
- Regular Inspections
- Monitor and Control the Manufacturing Process
- Final Quality Check
Testing requirements of A789 UNS S31803 round tube
Microstructure and Charpy impact testing are performed on UNS S31803 round and instrumentation tubing
- EN 10297-2 (seamless tube)
- EN 10216-5 (seamless & welded tube)
- EN 10217-7 (welded tube)
- EN 10312 (welded tube)
- EN 10296-2 (welded tube)
- ASME B36.19M
- ASTM A999 / A999M
- A1016 / A1016M
- DIN EN ISO 1127
- Corrosion test as per ISO 17781
- NACE TM 0177 (Stress Corrosion Cracking in H2S environments)
- Charpy impact testing (ISO 17781)
- NACE MR0103/ ISO 17945 (Resistant to Sulfide Stress Cracking)
- Microstructure examination (ISO 17781)
- NACE SP0391 (Sulphuric Acid)
- Microstructure examination as per ISO 17781
- NACE MR0175/ ISO 15156 (H2S Containing Environments)
- PMI including overlay NDE
- Galvanizing certificates
- Purchase Requisitions
- Nonconformance records & Listing of applicable and authorized concessions.
- testing and inspection procedures
- thickness check
- HIC test certificates
- Calculation reports & Welding Procedures
- Manufacturing
- Cross Sectional Assembly Drawings
- NDE
- NDE Procedure
- Ferrite check
- PMI Procedure
- Hardness testing & Impact test result
- Testing Procedures & PWHT Procedure.
Are there any certifications or standards that ASTM A789 UNS S31803 Tube meet?
SA 789 UNS S31803 chemical composition
Ni Nickel 7.0 |
 |
C Carbon 0.02 |
Mo Molybdenum 2.5-3.5 |
Cr Chromium 21.0-23.0 |
|
N Nitrogen 0.08-0.20 |
Others - |
Are there options for coating or further treatment of the SA 789 S31803 tubes?
Coatings
- Passivation : Removes free iron
- Protective : Protection against corrosion
- Electropolishing : improves Surface finish
- Thermal Spraying : Adds a coating
Surface Treatments
- Heat Treatment : Improves mechanical properties
- Shot Peening : Improves fatigue resistance
- Pickling : Removes rust, scale and oxides
Specialized Treatments
- Cryogenic Treatment : Improve material properties
- High-Temperature Coatings
- Coating for Specific Environments : Marine application
Inspection
- Coating Thickness
- Corrosion Testing
- Adhesion Testing
ASTM A789 S31803 mechanical properties
View Yield & Tensile Strength of ASTM A789 S31803 exhaust and electropolish tube
Yield Strength 65 Ksi |
 |
Tensile Strength 90 Ksi |
Elongation 25% |
Hardness(HB) 217 |
Heat Treatment of A789 S31803 boiler tube
| UNS | Temperature °F [°C] | Quench |
|---|---|---|
| S31803 | 1870–2010 [1020–1100] | Rapid Cooling In Air Or Water |
ASTM A789 S31803 bright annealed tube density
| Properties | Imperial | Metric |
|---|---|---|
| Density | 0.283 lb/in³ | 7.82 g/cm³ |
Types of ASTM A789 UNS S31803 tubes
SA 789 UNS S31803 seamless tube
SA789 S31803 welded tube
A789 UNS S31803 boiler tube
A789 S31803 duplex heat exchanger tube
SA 789 UNS S31803 round tube
ASTM A789 S31803 bright annealed tube
SA789 S31803 coiled tubing
A789 S31803 condenser tube
A789 UNS S31803 heater tube
SA 789 UNS S31803 mechanical tubing
UNS S31803 instrumentation tubing
SA 789 S31803 exhaust tubing
ASTM A789 UNS S31803 electropolish tube
SA 789 UNS S31803 hydraulic tubing
A789 S31803 rectangular tubing
Physical properties of UNS S31803 seamless tube
| Modulus of Elasticity (Gpa) | Thermal Expansion (K) | Electrical Resistivity (Ω.m) | Thermal Conductivity (W/m.k) |
|---|---|---|---|
| 200 | 13.7*10-6 | 0.085*10-6 | 19.0 |
Tensile & hardness of UNS S31803 welded tube
| Tensile |
|
| Hardness |
|
ASTM A789 UNS S31803 Tube Size Chart
| DN | NPS | D | Schedule | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | mm | XXS | 5S | 160 | 80S | XS | 80 | 40 | STD | 40S | 10S | |
| 6 | 1/8 | 10.30 | 2.41 | 2.41 | 2.41 | 1.73 | 1.73 | 1.73 | 1.24 | |||
| 8 | 1/4 | 13.70 | 3.02 | 3.02 | 3.02 | 2.24 | 2.24 | 2.24 | 1.65 | |||
| 10 | 3/8 | 17.10 | 3.20 | 3.20 | 3.20 | 2.31 | 2.31 | 2.31 | 1.65 | |||
| 15 | 1/2 | 21.30 | 7.47 | 1.65 | 4.78 | 3.73 | 3.73 | 3.73 | 2.77 | 2.77 | 2.77 | 2.11 |
| 20 | 3/4 | 26.70 | 7.82 | 1.65 | 5.56 | 3.91 | 3.91 | 3.91 | 2.87 | 2.87 | 2.87 | 2.11 |
| 25 | 1 | 33.40 | 9.09 | 1.65 | 6.35 | 4.55 | 4.55 | 4.55 | 3.38 | 3.38 | 3.38 | 2.77 |
SA 789 UNS S31803 tube pressure rating
Pressure rating of A789 S31803 boiler tube As per EN 13480-3 European standard
Dimensions: wall tolerance: ± 10%, OD 3.18mm x 0.89mm
| Grade | Maximum internal pressure, bar |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 20°C | 50°C | 100°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C | |
| 1.4462 (SAF 2205) |
1612 | 1612 | 1451 | 1350 | 1249 | 1189 | - | - | - |
Pressure rating of SA789 S31803 tubing As per ASME B31.3 American standard
Dimensions: wall tolerance: ± 10%, OD 3.18mm x 0.89mm
| Grade | Maximum internal pressure, bar |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 700°F | |||
| S31803 (SAF 2205) |
1251 | 1251 | 1205 | 1159 | 1134 | 1121 | - | ||