Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days |
| Packaging Details | Plywooden Case /Iron Case |
| Standard | EN 10222-5 |
| Material Grade | 1.4571 (UNS S31635, 316Ti) |
| Product Type | Forged Ring & Flange |
| Application | Chemical Plant & Marine Piping Systems |
| Size Range | DN50-DN1200 |
| Pressure Rating | PN10-PN100 |
| Brand Name | YUHONG |
| Model Number | EN 10222-5 1.4571 |
| 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 | L/C, T/T | Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days | Packaging Details | Plywooden Case /Iron Case |
| Standard | EN 10222-5 | Material Grade | 1.4571 (UNS S31635, 316Ti) |
| Product Type | Forged Ring & Flange | Application | Chemical Plant & Marine Piping Systems |
| Size Range | DN50-DN1200 | Pressure Rating | PN10-PN100 |
| Brand Name | YUHONG | Model Number | EN 10222-5 1.4571 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | EN 10222-5 1.4571 stainless steel flange ，316 stainless steel forged ring ，marine piping system steel flange | ||
EN 10222-5 1.4571 Forged Ring & Flange Stainless Steel 316 for Chemical Plant and Marine Piping Systems
YUHONG GROUP is a specialized manufacturer of high-performance stainless steel forged componentswith over 35 years of expertise in serving global industrial markets. Our EN 10222-5 1.4571 Forged Ring & Flange products are engineered to meet the most demanding applications in chemical processing and marine environments, combining German engineering standards with exceptional corrosion resistance.
Heat Treatment Specifications for Steel Grade 1.4571
| Attribute Name | Attribute Value |
| Standard | EN 10222-5 |
| Material Grade | 1.4571 (UNS S31635, 316Ti) |
| Product Type | Forged Ring & Flange |
| Application | Chemical Plant & Marine Piping Systems |
| Size Range | DN50-DN1200 |
| Pressure Rating | PN10-PN100 |
| Temperature Range | -20°C to 400°C |
| Certification | PED 2014/68/EU |
| Surface Finish | Solution Annealed & Pickled |
| NDT Requirements | PT/MT Optional |
Chemical Composition of Steel Grade 1.4571 (X6CrNiMoTi17-12-2)
| Element | Requirement (%) | Notes |
| Carbon (C), max | 0.08 | |
| Silicon (Si), max | 1 | |
| Manganese (Mn), max | 2 | |
| Phosphorus (P), max | 0.045 | |
| Sulfur (S), max | 0.015 | Note: "b" likely denotes a special condition |
| Chromium (Cr) | 16.5 - 18.5 | |
| Molybdenum (Mo) | 2.00 - 2.50 | |
| Nickel (Ni) | 10.5 - 13.5 | |
| Nitrogen (N) | - | Not specified |
| Other Elements | Ti: 5 × C% min to 0.70 max | Titanium stabilization |
Mechanical Properties of Steel Grade 1.4571 (X6CrNiMoTi17-12-2)
| Property | Specification / Requirement | Notes / Conditions |
| Steel Number | 1.4571 | Corresponds to UNS S31635 (316Ti) |
| Steel Name | X6CrNiMoTi17-12-2 | Titanium-stabilized austenitic stainless steel |
| Heat Treatment | +AT | Solution Annealed |
| Max. Thickness of Ruling Section | 450 mm | |
| 0.2% Proof Strength, min | 210 MPa | Yield Strength |
| 1.0% Proof Strength, min | 245 MPa | |
| Tensile Strength | 510 - 710 MPa | |
| Elongation after Fracture, min | 35% | |
| Impact Energy, min | 100 J +20°C | Charpy V-notch |
| 60 J -196°C | ||
| Resistance to Intergranular Corrosion | Yes, in delivery condition | Per footnote b |
| Yes, in sensitized condition |
Advantages of EN 10222-5 1.4571 (316Ti) Forged Ring & Flange
Superior Strength & Durability: The forging process creates a dense, uniform grain structure, making these flanges significantly stronger and more durable than cast alternatives. They are ideal for high-pressure and high-stress applications
Excellent Corrosion Resistance: Made from 1.4571 (316Ti) stainless steel, these flanges offer excellent resistance to corrosion, particularly in challenging environments containing chemicals or chlorides
Reliable Performance in High-Temperature Service: The flanges maintain their mechanical properties and structural integrity at elevated temperatures, making them suitable for power generation and petrochemical applications
Precise Dimensions for a Secure Fit: The manufacturing process ensures tight dimensional tolerances, which facilitates easier installation and helps achieve leak-proof connections in piping systems
Long-Term Cost-Effectiveness: While the initial cost may be higher, their extended service life, reduced need for maintenance, and high reliability make them a cost-effective choice over time
Summary of Typical 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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