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Duplex Alloy Steel Reducer Tee ASTM A815 WP WX S32750 Sewage Treatment Pipeline

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Duplex Alloy Steel Reducer Tee ASTM A815 WP WX S32750 Sewage Treatment Pipeline

Brand Name : YUHONG

Model Number : S32750

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015, IEI

Place of Origin : CHINA

MOQ : 500KGS

Price : Negotiation

Payment Terms : T/T, L/C at sight

Supply Ability : 10000 TONS PER MONTH

Delivery Time : Depends on quantity

Packaging Details : Ply-wooden Case Or Iron Case

Inspection : RT, UT, PT

TYPE : Duplex

Size : 32"~48"

WT : SCH10/STD/40/XS/80/160/XXS

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Duplex Steel Reducer Tee ASTM A815 WP WX S32750 Sewage Treatment Pipeline

Overwiew

S32750 stainless steel has high strength, corrosion resistance and stress corrosion cracking resistance, and is suitable for high strength and corrosion resistant structural parts and components in the marine, chemical, oil and gas industries. The material's resistance to chloride ion stress corrosion cracking is better than other stainless steels, so it is suitable for seawater environments.

S32750 stainless steel can be subjected to heat treatment processes, including solid solution and water quenching. The solid solution temperature is 1020-1100 ℃, holding time is 1-2 hours; water quenching followed by annealing treatment, annealing temperature is 700-800 ℃, holding time is 2-4 hours.

Mechanical Properties of ASTM A815 UNS S32750 Reducer Tee

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
UNS S32750 Pipe Fittings 7.8 0.281 1350 2460

Equivalent Grades of ASTM A815 UNS S32750 Reducer Tee

STANDARD WERKSTOFF NR. UNS
2507 Super Duplex Pipe Fittings 1.4410 UNS S32750 Pipe Fittings

Chemical Composition of Duplex Steel Reducer Tee

EL. S31803 S32205 S32750 S32760
C ≤0.030 ≤0.030 ≤0.030 ≤0.030
Mn ≤2.00 ≤2.00 ≤1.20 ≤1.00
P ≤0.030 ≤0.030 ≤0.035 ≤0.030
S ≤0.020 ≤0.020 ≤0.020 ≤0.010
Si ≤1.00 ≤1.00 ≤0.80 ≤1.00
Ni 4.5-6.5 4.5-6.5 6.0-8.0 6.0-8.0
Cr 21.0-23.0 22.0-23.0 24.0-26.0 24.0-26.0
Mo 2.5-3.5 3.0-3.5 3.0-5.0 3.0-4.0
Cu - - ≤0.50 0.50-1.00
N 0.08-0.20 0.14-0.20 0.24-0.32 0.20-0.30
W - - - 0.50-1.00

Tensile and hardness requirements of Duplex Steel Reducer Tee

Item S31803 S32205 S32750 S32760
Yield Strength
min. MPa [ksi]
450 [65] 450 [65] 550 [80] 550 [80]
Tensile Strength
min. MPa [ksi]
620 [90] 655 [95] 800 [116] 750 [109]
Elongation in
2" min. %
20.0 20.0 15.0 25.0
HBW, max 290 290 310 270

Characteristic of Duplex Steel Pipe fitting

1. Yield strength is more than twice as high as ordinary austenitic stainless steel, and has sufficient plastic toughness for molding.
2. Excellent resistance to stress corrosion rupture, especially in the chlorine ion environment.
3. Super duplex steel has a very high corrosion resistance, in some media, such as acetic acid, formic acid, and even higher can replace high-alloy austenitic stainless steel, and even corrosion-resistant alloys.
4. Good resistance to localized corrosion, and the alloy content of austenitic stainless steel, compared to its resistance to wear corrosion and fatigue corrosion than austenitic

Application

Sewage treatment pipeline

Oil refining

chemical fertilizer

Marine environments

seawater resistance quipment

Duplex Alloy Steel Reducer Tee ASTM A815 WP WX S32750 Sewage Treatment Pipeline


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