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
Minimum Order Quantity	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

Detailed Product Description

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

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