Cast Iron Flange Russian Standard Gost 12821-80 Pn6 Floor Flange Ss304 316 Welding Neck Flanges
Name | Flange |
Size | Size 1/4” to 24” |
Standard | API5L , ASTM A106 Gr.B, ASTM A53 Gr.B,ANSI A210-1996, ANSI B36.10M-2004 , ASTM A1020-2002,ASTM A179-1990 ,BS 3059-2,DIN 17175 ,DIN 1630 ,DIN 2448 |
Material | GR.B,ST52, ST35, ST42, ST45,X42, X46, X52, X56, X60, X65, X70,SS304, SS316 etc. |
Certificates | API5L, ISO 9001:2008,SGS, BV,CCIC |
Wall thickness | SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS |
Surface Treatment | black paint, varnish, oil, galvanized, anti corrosion coatings. |
Marking | Standard marking, or according to your request. Marking Method: Spray white paint |
Pipe Ends | Under 2 inch plain end. 2 inch and above Beveled. Plastic caps (small OD) ,Iron protector (large OD) |
Pipe Length | 1. Single Random Length and double Random Length. 2. SRL:3M-5.8M DRL:10-11.8M or As clients requested length. 3. fixed length(5.8m, 6m, 12m) |
Packaging | Loose package; Packaged in bundles(2Ton Max); bundled pipes with two slings at the both end for easy loading and discharging; End with Plastic caps; wooden cases. |
Test | Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, hydraulic testing , X-ray Test. |
Application | liquid delivery; Structure pipe; High and low pressure Boiler tube; Seamless steel tubes for petroleum cracking; oil pipe; gas pipe. |
Delivery Time | 7-15 days |
Advantages | 1.Reasonable price with excellent quality. 2.Abundant stock and prompt delivery. 3.Rich supply and export experience, sincere service. 4.Reliable forwarder, 2-hour away from port. |
Head Code | round |
Place of Origin | Hebei,China |
Technics | Forged |
Shape | concentric |
Connection | Welding |
Material | Carbon steel, Stainless steel, Alloy steel |
Surface | Black / varnish paint, anti rust oil, hot galvanized, galvanized |
Thickness | Made by your demand |
Application | Petroleum, chemical, machinery, electric power, shipbuilding, et |
Standard | DIN,EN,ASTM,BS,JIS,GB,etc |
Package | plywood cases, pallets,according to the customers' requirements |
PRODUCT TYPE | concentric reducer(con reducer) , eccentric reducer(ecc reducer), seamless reducer , butt welding reducer,carbon steel reducer(CS reducer), mild steel reducer(MS reducer), alloy steel reducer(AS reducer), stainless steel reducer(SS reducer)… |
SIZE | NPS1/2”-120”(DN15-3000) |
WALL THICKNESS | SCH5S/10S, SCH20/40/80/160, STD/XS/XXS, SGP……. |
MATERIAL | carbon steel: ASTM A234 GR WPB , ST37.2 , ST35.8…… |
alloy steel: A234 WP5/WP9/WP11/WP22/WP91, A420 WPL6, A860 WHPY 42/52/60/65/70/80, L290/L320/L390/L415/L450/L485…… |
stainless steel: A403 WP304/TP304 , WP304L/TP304L , WP316/TP316 , WP316L/TP316L, WP321/TP321 , WP310/TP310…..WP347… |
STANDARD | ANSI B 16.9/ANSI B16.28/MSS SP43/MSS P75/JIS2311/JIS 2312/JIS 2313/DIN2616/GB-12459/GB-T13401 etc… |
We can also produce according to drawing by customers. |
SURFACE TREATMENT | Shot blasted, black painting, rust-proof oil, transparent oil, galvanizing,, hot galvanizing |
PACKING | plywood cases, pallets, nylon bags or according to the customers' requirements |
APPLICATION | Chemical industry, petroleum industry, construction industry, power industry, gas industry, shipbuilding ,domestic installation and other |
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, MoneyGram |
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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