Max steels have taken the initiative to offer a comprehensive alloy steel flange in broader ranges in accordance with the application as well as the client. We are solely customer oriented because we believe in offering steel flanges that get produced with effective production techniques. That’s why the entire product dispatched from our production unit with quality standards.
We guarantee our esteemed and trusted clients with both domestically and global product so as to get rich experience. The finest quality of F91 flanges improves value-added and sales services. The alloy steel F91 flanges are served both in conventional as well as customized form with international quality. Some of the notable features of alloy steel F9 flanges are durability and longevity, anti-corrosive, high tensile strength, oxidation/corrosion/stress corrosion cracking and crevice corrosion resistance. One important feature is good dimensional accuracy.
Testing details- We assure quality using numerous testing on the alloy. Notable testing is mechanical, chemical test, intergranular corrosion test, macro/micro test, flattening and flaring test, and hardness test. Other testing includes radiography test and PMI test.
Documentation - We also offer documents to our esteemed clients for the assured quality of the product. Some of the documents served by us are packaging list, raw material test, fumigation certification, quality assurance plan, heat treatment chart, material traceability report and commercial invoice.
Packaging- For damage free and safer shipping of product across all nations, it gets packed in carton boxes, shrink-wrapping and wooden pallets/crates/boxes.
You just need to visit the site and place an order on chrome molybdenum alloy steel F91 flanges.
| STANDARD | UNS | WERKSTOFF NR. |
| Alloy Steel F91 | K90901 | 1.4903 |
Specifications : ASTM A182 / ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class/Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Form : Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Plate flange, Flate Face flanges, ASME B16.5 flanges.
ASTM A182 / SA182M - This specification covers forged low alloy and steel piping components for use in pressure systems.
ANSI B16.5 - standard covers alloy Pipe Flanges and Flanged Fittings from NPS 1/2 through NPS 24 Metric/Inch in pressure class 150 to class 2500.
ANSI/ASME B16.47 - Term B16.47 or B 16 47 or ANSI B 16 47 are all used interchangeabily and refers to the same standard. ASME B16.47(Large Diameter Steel Flanges) is a standard for large diameter steel pipe flanges sized from NPS 26 through NPS 60.
ANSI B16.48 - Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, and testing for operating line blanks in sizes NPS 1⁄2 through NPS 24 for installation between ASME B16.5 flanges in the 150, 300, 600, 900, 1500, and 2500 pressure classes.
| Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb | N |
| F91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | 0.20-0.50 | 0.40 | 8.0-9.5 | 0.85-1.05 | 0.06-0.10 | 0.03-0.07 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F91 | 585 | 415 | 20 | - | 248 max |
Corrosion resistant
Durable functioning
Malleable
Heat resistance
High strength
Excellent conductivity
Impeccable finish
Enhanced service life
Precisely designed
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