ASME B16.5 600# Blind Flange UNS S31254 Duplex Stainless Steel High Corrosion Resistance
This high-performance duplex stainless steel blind flange is strictly manufactured in accordance with ASME B16.5 standard, crafted from premium UNS S31254 duplex stainless steel, featuring a blind flange design and a pressure rating of 600#. It is specially engineered for industrial pipeline systems that require reliable sealing and excellent corrosion resistance, providing a secure, leak-proof solution for closing pipeline ends in harsh working environments.
UNS S31254 is a high-alloy duplex stainless steel (also known as 254SMO), renowned for its exceptional corrosion resistance—far superior to conventional duplex steels. It offers outstanding resistance to pitting, crevice corrosion, stress corrosion cracking, and general corrosion in aggressive media such as seawater, acidic solutions, chlorides, and industrial chemicals. With a balanced austenitic-ferritic microstructure, it also boasts high tensile strength, yield strength, and good toughness, enabling it to withstand the 600# pressure rating and long-term operation in demanding industrial conditions.
The blind flange design is specifically used to seal the end of pipelines, effectively preventing fluid leakage and protecting pipeline internal components from external contamination. It is precision forged and machined, with strict dimensional accuracy, a smooth sealing surface (Raised Face/RF as standard, Ring Type Joint/RTJ optional), and consistent material uniformity. The flange is easy to install and disassemble, facilitating pipeline maintenance, inspection, and temporary or permanent closure.
Widely applied in offshore oil and gas, marine engineering, chemical processing, desalination plants, pharmaceutical, and high-corrosion pipeline systems where reliable sealing and corrosion resistance are critical. All flanges undergo rigorous quality control, including chemical composition analysis, mechanical performance testing, pressure testing, and dimensional inspection, fully complying with ASME B16.5 standards and international industrial requirements.
Key Specifications
- Standard: ASME B16.5
- Material: UNS S31254 (254SMO) Duplex Stainless Steel
- Type: Blind Flange
- Pressure Rating: 600#
- Size Range: DN15 - DN600 (custom sizes available upon request)
- Face Type: Raised Face (RF) (standard), Ring Type Joint (RTJ) (optional)
- Application: Offshore, petrochemical, desalination, chemical, marine, pharmaceutical, high-corrosion pipeline systems
With excellent durability, stable sealing performance, and strong corrosion resistance, this UNS S31254 duplex stainless steel blind flange provides a cost-effective and reliable sealing solution for 600# pressure industrial pipeline projects.
Product Details:
| Place of Origin: |
China |
| Brand Name: |
TOBO |
| Certification: |
ISO/PED/TUV/SGS/LR/BV |
| Model Number: |
Duplex Steel |
Payment & Shipping Terms:
| Minimum Order Quantity: |
500KG |
| Price: |
USD Depending on quantity |
| Packaging Details: |
Wooden case |
| Delivery Time: |
10-100days |
| Payment Terms: |
L/C, T/T, Western Union |
Product Range:
WNRF Flanges Size : 1/8" NB TO 48"NB.
WNRF Flanges Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
Stainless Steel WNRF Flanges: ASTM A 182, A 240
Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750
Carbon Steel WNRF Flanges: ASTM A 105, ASTM A 181
Alloy Steel WNRF Flanges : ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloys WNRF Flanges : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Copper Alloys WNRF Flanges: Copper, Brass & Gunmetal
WNRF Flanges Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
Value Added Services
Hot Dip Galvanizing , Epoxy Coating.
Test Certificate
Manufacturer Test Certificate as per EN 10204 / 3.1B
FAQ.
Q: Are you trading company or manufacturer ?
A: We are manufacturer ,You can see the certification.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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