Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 10000 pcs per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Name | Super Duplex Butt-weld Cap |
| Material | 2507 / S32750 |
| Technics | Butt weld |
| Size | Customized Size or Normal size |
| Standard | ANSI, DIN, ASME, JIS etc. |
| Application | gas and oil pipes |
| 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 |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 10000 pcs per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Name | Super Duplex Butt-weld Cap | Material | 2507 / S32750 |
| Technics | Butt weld | Size | Customized Size or Normal size |
| Standard | ANSI, DIN, ASME, JIS etc. | Application | gas and oil pipes |
| 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 |
| High Light | astm a815 steel pipe fittings ，astm a815 butt weld cap ，uns s32750 butt weld cap | ||
Overview
A super duplex steel cap refers to a specific type of cap fitting made from super duplex stainless steel. Super duplex stainless steel is a higher grade of duplex steel that offers even greater corrosion resistance and mechanical strength compared to standard duplex stainless steel.
Super duplex steel caps are suitable for use in environments that require exceptional resistance to corrosion, such as offshore platforms, chemical processing plants, and seawater applications. The higher levels of chromium, molybdenum, and nitrogen in the super duplex stainless steel composition enhance its resistance to pitting, crevice corrosion, and stress corrosion cracking.
Similar to duplex steel caps, super duplex steel caps are manufactured in compliance with relevant standards such as ASTM A815. These caps come in various sizes, dimensions, and end connections to fit different pipe diameters and system requirements.
Super duplex steel caps are typically installed by welding methods such as socket welding or butt welding, ensuring a secure and leak-proof connection. It is crucial to select the appropriate welding procedure and consumables that are compatible with the super duplex steel material to maintain its superior properties.
In summary, a super duplex steel cap is a specialized cap fitting made from super duplex stainless steel, offering exceptional corrosion resistance and mechanical strength. It is commonly used in industries and applications where standard duplex stainless steel caps may not provide sufficient durability and protection against corrosion.
ASTM A815/A815M-20 Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings.
| Specifications | ASTM A815 / ASME SA815 |
| Size | Seamless Butt Weld Fittings: 1/2″ – 24″, Welded Butt Weld Fittings: 1/2″ – 48″ |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | Seamless / Welded / Fabricated |
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.8 | 0.281 | 1350 | 2460 |
Applications
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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