SA 789 UNS S32750 Stainless Steel Tubing and ASTM A789M Heat Exchanger Tube Supplier in India
Table of Content
Check A789 S32750 boiler tube and coiled tubing sizes and wall thickness
Sizes and Strength of ASTM A789 UNS S32750 tube
- ASTM A789 UNS S32750 Seamless Pipe: 1/2” to 8”
- ASTM A789 UNS S32750 Welded Pipe: 6” to 24”
- 8.8mm to 150mm
- 0.5 – 20mm
- 6 meters (21 feet)
- Custom/ cut to size
- 80 Ksi
- 550 Mpa
- 116 Ksi
- 800 Mpa
- Sch 5 to 160
- Mail us at info@namanpipe.com
SA 789 UNS S32750 tube specification table
SA 789 UNS S32750 seamless and welded tubes are available in mechanical and bright polish
- UNS S32750
- Seamless
- EFW
- ERW
- Welded
- 1080°C
- 3-5 days
- 10-12 days
- Get Quick Quote & delivery by Air, mail us at info@namanpipe.com
- Solution Annealed
- Aging
- Annealed
- MTC EN 10204-3.1
- NACE MR-0175
- X2CrNiMoN25-7-4 (1.4410)
- S32750
- Russian
- Indian
- European
- Korean
- Japanese
- USA
- Ukraine
- ±12.5%
- Pickling not required for Machined surface
- ASTM A380
- Polished
- Cold Rolled / Cold Drawn
- Annealed
- Pickled
- Sand Blasted
- Precleaned
- Passivated
- Cleaned
- Pickled (As per ASTM A380)
- Sea water
- Superheaters
- Boilers
- Chloride environments
- Fluid and gas transport
- ASTM A789M U bend tube
- SA 789 S32750 straight tubing (seamless)
- Cold Finished
- Hot Finished
- Cutting
- Polishing
- Threading
- Beveling
- Sizes and wall thickness
- Identification marking of pipe
- Heat Number & Batch Number.
- Specification and grade of material.
- addition to the marking required
- Nominal pipe size (NPS).
- Shielded metal arc welding (SMAW)
- Plasma arc welding (PAW)
- Gas tungsten arc welding TIG (GTAW)
- Flux-cored arc welding (FCW)
- Resistance welding
- High-frequence welding
- Flange test (for A789 S32750 welded tube)
- Flaring test (for ASTM A789 S32750 seamless tube)
- Tension test
- Hardness test
- 100% PMI tested
- Reverse flattening test
Documents and Testing of SA 789 UNS S32750 seamless tube
Various NDT test are perfomed on A789 UNS S32750 electropolish and instrumentation tubing before dispatching
- EN 10297-2 (seamless tubing)
- EN 10312 (welded tubing)
- EN 10216-5 (seamless & welded tubing)
- EN 10217-7 (welded tubing)
- EN 10296-2 (welded tubing)
- ASME B36.19M
- ASTM A999 / A999M
- A1016 / A1016M
- DIN EN ISO 1127
- Charpy impact testing (ISO 17781)
- Corrosion test as per ISO 17781
- Microstructure examination (ISO 17781)
- NACE SP0391 (Sulphuric Acid)
- NACE TM 0177 (Stress Corrosion Cracking in H2S environments)
- Microstructure examination as per ISO 17781
- NACE MR0175/ ISO 15156 (H2S Containing Environments)
- NACE MR0103/ ISO 17945 (Resistant to Sulfide Stress Cracking)
- Ferrite check
- PMI Procedure
- NDE Procedure
- Cross Sectional Assembly Drawings
- Thickness check
- HIC test certificates
- PMI including overlay NDE
- Purchase Requisitions
- Galvanizing certificates
- Calculation reports & Welding Procedures
- Hardness testing & Impact test result
- Testing Procedures & PWHT Procedure.
- testing and inspection procedures
- Nonconformance records & Listing of applicable and authorized concessions.
SA 789 UNS S32750 Tube Chemical Composition
SA789 S32750 condenser and exhaust tubing contains 25% chromium
Ni Nickel 6.0-8.0 |
 |
C Carbon 0.030 |
Mo Molybdenum 3.0-5.0 |
Cr Chromium 24.0-26.0 |
|
N Nitrogen 6.0-8.0 |
Others - |
UNS S32750 Welded Tube Mechanical properties
Yield Strength Mpa min- 550 |
 |
Tensile Strength Mpa min-795 |
Elongation 15.25% |
Hardness Brinell max 310 |
Equivalents of A789 S32750 heat exchanger tube
| Steel Name | WNR | UNS | AISI |
|---|---|---|---|
| X2CrNiMoN25-7-4 | 1.4410 | S32750 | 2507 |
A789 UNS S32750 condenser tube Tensile & Hardness
| Tensile |
|
| Hardness |
|
SA789 S32750 boiler tube Pressure Rating
Pressure rating of ASTM A789 UNS S32750 boiler tube As per EN 13480-3 European standard
Dimensions: wall tolerance: ± 10%, OD 3mm x 0.5mm
| Grade | Maximum internal pressure, bar |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 100°F | 200°F | 300°F | 400°F | 500°F | 600°F | 700°F | ||||
| S32750 (SAF 2507) |
909 | 853 | 817 | 799 | 796 | 796 | - | |||
Corrosion Testing of ASTM A789M S32750 tubes
| STEEL GRADE | CORROSION TESS | TEST CONDITIONS | ACCEPTANCE CRITERIA |
|---|---|---|---|
| UNS S32750 (F 53) | ASTM G48 Method A | As per ISO 17781 | As per ISO 17781 |
List of certification for SA 789 UNS S32750 tube
SA 789 S32750 tubing Heat Treatment
| UNS | Temperature °F [°C] | Quench |
|---|---|---|
| S32750 | 1880–2060 [1025–1125] | Rapid Cooling In Air Or Water |
What is the treatment that should be applied before or after welding this SA789 UNS S32750 tubing?
Pre-Weld Treatments
- Cleaning
- Proper alignment
- Surface Preparation
- Edge Preparation
Post-Weld Treatment
- Solution Annealing
- Passivation and Pickling
- Cleaning
- Inspection and Testing
- Stress Relief
Various types of SA 789 UNS S32750 Tube
SA 789 UNS S32750 Seamless Tube
ASTM A789 S32750 Welded Tube
A789 S32750 Boiler Tube
SA 789 S32750 Duplex Heat Exchanger Tube
A789 UNS S32750 Round Tube
ASTM A789M S32750 Bright Annealed Tube
A789 UNS S32750 Coiled Tubing
SA 789 UNS S32750 Condenser Tube
SA789 S32750 Heater Tube
ASTM A789 UNS S32750 Mechanical Tubing
ASTM A789 S32750 Instrumentation Tubing
A789 S32750 Exhaust Tubing
SA 789 UNS S32750 Electropolish Tube
A789 S32750 super duplex Hydraulic Tubing
SA 789 S32750 Rectangular Tubing
Thermal properties of UNS S32750 welded tube
| Property | Value |
|---|---|
| Specific heat capacity | 440 - 502 J/(kg·K) |
| Coefficient of thermal expansion | 1E-5 1/K |
| Melting point | 1375 - 1450 °C |
| Max service temperature | 300 °C |
| Thermal conductivity | 13 - 30 W/(m·K) |
ASTM A789 S32750 exhaust tubing application
- Storage vessels
- Petrochemical
- Hydraulic piping
- Pulp and paper
- Water desalinization
- Chemical
Permissible variations in dimensions for UNS S32750 tubing
| Size, OD in mm | ≤12.7 | 12.7＜D≤38.1 | 38.1＜D≤88.9 | 88.9＜D≤139.7 | 139.7＜D≤203.2 |
|---|---|---|---|---|---|
| Average Wall Permissible Variations in Wall Thck, % | ±15 | ±10 | ±10 | ±10 | ±10 |
| Permissible Variations in OD, mm | .13 | .13 | .25 | .38 | .76 |
Toughness Values of A789 UNS S32750 instrumentation tubing
| Temp. | -50°C | +20°C | -60°F | +70°F |
|---|---|---|---|---|
| Single | 75 J/cm_ | 90 J/cm_ | 54 ft. lbs | 65 ft. lbs |
| Average (5) | 90 J/cm_ | 150 J/cm | 65 ft. lbs | 87 ft. lbs |