Yuhong Group Co.,Ltd
| 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 |
| Standard | ASTM A815 / ASME SA815 |
| Material | UNS S32750 / SAF 2507 |
| Type | Seamless / Welded |
| Size | 1/2"~72" |
| WT | sch 5S - sch XXS |
| Inspection | RT, UT, PT |
| Brand Name | YUHONG |
| Model Number | A815 S32750 / SAF 2507 Equal Tee |
| Certification | ABS, GL, DNV, NK, PED, ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| 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 |
| Standard | ASTM A815 / ASME SA815 | Material | UNS S32750 / SAF 2507 |
| Type | Seamless / Welded | Size | 1/2"~72" |
| WT | sch 5S - sch XXS | Inspection | RT, UT, PT |
| Brand Name | YUHONG | Model Number | A815 S32750 / SAF 2507 Equal Tee |
| Certification | ABS, GL, DNV, NK, PED, ISO 9001-2015 | Place of Origin | CHINA |
| High Light | duplex alloy steel reducer tee ，ASTM A815 sewage pipeline fitting ，WP WX S32750 steel tee | ||
Duplex Alloy Steel Equal Tee, A815 S32750 / SAF 2507 Butt-Weld Fitting, Seawater desalination system
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
| 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 |
Chemical Composition of Duplex Steel: S31803/S32205/S32750/S32760
| 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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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