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Brazil---AimeeIn the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate. -
Thailand ---Dave MulroyASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner .
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USA ---AlfaroASTM A182 F55 Super Duplex Flange ,Good quality , we like that ! And delivery time in time also ,very professional.
Alloy 31 Flange UNS N08031 So Flange ASTM / ASME / ANSIB16.5 B16.47 ASME / ANSI B16.48 Flange
| Place of Origin | CHINA |
|---|---|
| Brand Name | TOBO |
| Certification | BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Model Number | Forged Steel Flange |
| Minimum Order Quantity | 0.5-1 tons |
| Price | negotiable |
| Packaging Details | in plastic bags then in bundles |
| Delivery Time | According to the qty |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 6000TONS/MONTH |
Product Details
| Material | Alloy 31 | Product Name | Flange |
|---|---|---|---|
| Standard Or Nonstandard | ASME B16.5 | Application | Gas, Petroleum, Auto Parts, Concrete Pump, Water |
| Type | Blind,weld Neck Flange,threaded,Pipe Flange,socket Welding | Pressure | Class150,150#-2500#,5K-30K |
| Color | Customer Required,Natural,Primary | Keyword | Steel,A105,NPT Threaded Blind Flange,weld Neck Flange Ansi 150 Rf,Titanium |
| Highlight | Alloy SO Flange,Blind Slip On Flange,ANSI B16.48 Slip On Flange |
||
Product Description
Alloy 31 Flange UNS N08031 So Flange ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSI B16.48 Flange
| Place of Origin | CHINA | Certificate | BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Application | Steam air gas oil pipes or oth | Payment Term | L/C, D/A, D/P, T/T, Western Union, |
| Material:Stainless steel | Colour | White,Black,Yellow,Galvanized |
ASTM B564 UNS N08031 flange
Alloy 31 Flange
Alloy 31 – UNS N08031 – X1NiCrMoCu 32 28 7 – 1.4562
Alloy 31 is characterized by outstanding resistance to corrosion in halide media, both acidic and basic; outstanding resistance to sulfuric acid, even highly concentrated; outstanding resistance to corrosion and erosion-corrosion in phosphoric acid media; excellent resistance to both localized corrosion and general corrosion in chlorine dioxide bleach media; excellent resistance to both reducing and oxidizing media, and ease of fabrication and welding. Approval for pressure-vessel use involving wall temperatures from -196 to 550ºC (-320 to 1020ºF).
UNS N08031 CHEMICAL COMPOSITION
| WEIGHT% | C | SI | MN | S | P | CR | NI | MO | N | CU |
| MIN. | 26,0 | 30,0 | 6,0 | 0,15 | 1,0 | |||||
| MAX. | 0,015 | 0,3 | 2,00 | 0,010 | 0,020 | 28,0 | 32,0 | 7,0 | 0,25 | 1,4 |
PREN = (CR% + 3.3MO% + 16N%) ≥ 48
PRODUCT STANDARDS: ASTM B625 – 14
APPROVALS: FOR USAGE IN PRESSURE VESSELS WITH WALL TEMPERATURES BETWEEN -196°C TO 550°C
| Product Form | |||||
| ASME B16.5 N08031 flange | Size:1/2″-24″ Wall thickness:SCH5S-SCHXXS Class:150-1500# | ||||
| ASME B16.47 N08031 flange | Size:26″-48″ Wall thickness:SCH5S-SCHXXS Class:150-1500# | ||||
| ASME B16.48 N08031 flange | Size:1/2″-24″ Wall thickness:SCH5S-SCHXXS Class:150-1500# | ||||
| MSS SP-44 N08031 flange | Size:12″-60″ Wall thickness:SCH5S-SCHXXS Class:150-1500# | ||||
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