ASTM A790 S32750 Super Duplex Steel Seamless Pipe Water Treatment Equipment
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:S32750
Minimum Order Quantity:500kgs
Delivery Time:Depends on quantity
Payment Terms:T/T, L/C at sight
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ASTM A790 S32750 Super Duplex Steel Seamless Pipe Water Treatment Equipment
What is S32750 Duplex seamless pipe ?
S32750 consists of 25% chromium, 4% molybdenum and 7% nickel and is a ferrite-austenitic (duplex) stainless steel that combines many of the beneficial properties of ferrite and austenitic steels. Due to the high chromium and molybdenum content of the steel, it has excellent resistance to pitting, crevice and uniform corrosion. The duplex microstructure ensures high resistance to stress corrosion rupture and high mechanical strength. It has an austenitic + ferrite dual-phase organization with a Cr content of 18% to 28% and a Ni content of 3% to 10%. Some steel also contains Mo, Cu, Nb, Ti, N and other alloying elements, with high strength, resistance to pore erosion, corrosion resistance, fatigue resistance, etc., mainly used in oil refining, fertilizer, paper, petroleum, chemical, seawater-resistant, high-temperature concentrated nitric acid equipment.
Chemical composition of ASTM A790 S32750
| Elements | C | Cr | Cu | Fe | Mo | Mn | N | Ni | P | S | Si | W |
| Minimum | 24.0 | REMAINDER | 3.00 | 0.24 | 6.00 | 0.20 | 0.50 | |||||
| Maximum | 0.030 | 26 | 0.50 | 5.00 | 1.20 | 0.32 | 8.00 | 0.035 | 0.020 | 0.80 | 1.00 |
Mechanical properties of ASTM A790 S32750
| Pipe Density | Pipe melting point | Pipe yield strength | Pipe tensile trength | Pipe elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi - 80000 , MPa - 550 | Psi - 116000 , MPa - 800 | 15 % |
Equivelant of ASTM A790 S32750
X2CrNiMoN25-7-4, 1.4410, 2507, F53
Pressure Rating of ASTM A790 S32750
| PIPE GRADE | ASTM/ UNS | 100°F 40°C | 200°F 90°C | 300°F 150°C | 400°F 200°C | 500°F 260°C | 600°F 320°C | 700°F 370°C |
|---|---|---|---|---|---|---|---|---|
| LDX 2304 Pipe*1) | S32304 | 29.0 | 27.9 | 26.1 | 24.7 | 22.9 | 19.2 | - |
| Duplex 2205 Pipe*2) | S31803 | 30.0 | 30.0 | 28.9 | 27.8 | 27.2 | 26.9 | - |
| Duplex 2507 Pipe*3) | S32750 | 38.7 | 36.3 | 34.8 | 34.0 | 33.9 | 33.9 | - |
| Sanicro® Pipe 60 | N06625 | 40.0 | 40.0 | 39.6 | 39.2 | 38.6 | 37.8 | 37 |
| Sanicro® 70:1*4) | N06600:1 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
| Sanicro® 70:2*5) | N06600:2 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
| Sanicro® 70:3*6) | N06600:3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 | 23.3 |
| Sanicro® 30 CF*7) | N08800 CF | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
| Sanicro® 30 HF*8) | N08800 HF | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
| 2RK65™*9) | N08904 | 20.3 | 16.7 | 15.1 | 13.8 | 12.7 | 11.9 | 11.4 |
| Sanicro® 28 Pipe *10) | N08028 | 20.7 | 18.9 | 17.7 | 16.5 | 15.4 | 14.4 | 13.6 |
| 254 SMO Pipe*11) | S31254 | 26.9 | 26.9 | 21.4 | 19.8 | 18.6 | 17.9 | 17.4 |
Characteristic of ASTM A790 S32750
CORROSION RESISTANCE: they have excellent corrosion resistance,
especially to chloride media. It is resistant to common corrosive
media such as acids and brines, resulting in extended service life.
Strength and Toughness: they have high strength and excellent
toughness to withstand high pressure and shock loads. This makes it
widely used in the marine and oil industries.
Resistance to stress corrosion cracking: they have excellent
resistance to stress corrosion cracking and is able to work for
long periods of time in high stress environments without cracking.
GOOD WELDING PERFORMANCE: they have good welding performance and
can be joined by various common welding methods.
Application
Oil Gas
- Chemical Equipment
- Water treatment Equipment
- Marine
- Pressure vessel
ASTM A790 S32750 Super Duplex Steel Seamless Pipe Water Treatment Equipment
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