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ASTM A815 UNS S32750 Reducer in High-Temperature Chlorine Environments

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ASTM A815 UNS S32750 Reducer in High-Temperature Chlorine Environments

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Brand Name :	YUHONG
Model Number :	ASTM A815 UNS S32750
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Price :	Negotiable
Payment Terms :	T/T, L/C AT SIGHT
Supply Ability :	According to Client Requirements
Delivery Time :	Depends on quantity

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ASTM A815 UNS S32750 Reducer in High-Temperature Chlorine Environments

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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