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| Categories | Steel Fitting |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASTM A815 UNS S32750 |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin: | CHINA |
| MOQ: | 1PC |
| Price: | Negotiable |
| Payment Terms: | T/T, L/C AT SIGHT |
| Supply Ability: | According to Client Requirements |
| Delivery Time: | Depends on quantity |
| Packaging Details: | According to Client Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap |
| Specifications: | ASTM A815 |
| Material Grade: | UNS S32750 |
| Size: | 1/8"NB TO 48"NB IN |
| Schedule: | SCH 10S - SCH XXS |
| Technical: | Butt Weld |
| Packaging: | PLY-WOODEN CASE OR PALLET |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASTM A815 UNS S32750 Reducer
ASTM A815 UNS S32750 Reducer
ASTM A815: Applicable to forged austenitic and duplex stainless steel pipe fittings (butt welding, socket welding, threaded connection), including elbows, tees, reducers, etc. It has both austenitic and ferritic structures, and its strength is twice that of 304 stainless steel. It has excellent resistance to chloride stress corrosion (SCC), pitting corrosion and crevice corrosion.
With ultra-high strength, it can reduce pipe wall thickness and
system weight. Its excellent corrosion resistance can
Resistant to seawater, chlorides (such as oilfield brine), H₂S/CO₂
acidic environments, which is better than conventional duplex steel
(such as 2205/S31803). It is stable in high temperature (≤300°C)
chlorine-containing environments and is suitable for offshore
platforms and chemical pipelines.
ASTM A815 UNS S32750 fittings equivalent
| Material | UNS | WERKSTOFF NR. |
| Super Duplex | S32750 | 1.4410 |
SA 815 UNS S32750 buttweld fittings chemical composition
| C | Mn | Si | P | S |
| 0.03 max | 1.2 max | 0.8 max | 0.035 max | 0.02 max |
| Cr | Mo | Ni | N | Fe |
| 24 To 26 | 3 To 5 | 6 To 8 | 0.24 To 0.32 | 58.095 (minimum) |
ASTM A815 UNS S32750 weld fittings mechanical properties
| Density (g/cm 3) | Melting Point (°C) | UTS N/mm²(min) | 0.20% Proof (min) | Thermal Expansion |
| 7.8 | 1350 | 750 | 500-550 | 13.7 x10^-6 /K |
| Proof Stress | Modulus of Elasticity | Elongation A50 mm | Thermal Conductivity | Electrical Resistivity |
| 450 Min MPa | 200 GPa | 25 Min % | 19.0 W/m.K | 0.085 x10^-6 Ω .m |
Application fields of ASTM A815 UNS S32750 Reducer
1. Oil and gas
2. Subsea pipeline system
3. Acidic oil and gas fields (including H₂S/CO₂): resistant to hydrogen sulfide stress corrosion cracking (SSC) and high chloride ion salt water corrosion.
4. Underwater wellhead equipment: reducers connect pipelines of different diameters to adapt to high pressure (Class 1500+) conditions.
5. Shale gas extraction: fracturing fluid pipeline
6. Chemical and petrochemical strong corrosive media treatment, high purity chemical transportation.
7. Seawater desalination and marine engineering. Offshore platform equipment:
8. Energy and environmental protection flue gas desulfurization (FGD) system geothermal power generation
9. Special industry pharmaceutical and food processing
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