Express Delivery
We understand the urgency of product requirement for Oil & Gas Industry & industrial breakdowns at various situations attenuating the project performance.
Our Certifications
Steel Sales Co. is determined in excelling in terms of delivering the alloy steel flanges of several grades, including the A182 F91 grade, which is assembled in highly equipped factories so that the customers receive the best quality of products in the market. We have been actively improving our methods and the technology we inhabit, to become better at producing superior quality products and exporting them proficiently while retaining the integrity of the product.
Every component of a complex system needs to be connected to other components, for the functioning of the entire system and this connection is brought about by utilizing conjugating units such as the alloy steel A182 F91 flanges. What bestows the alloy steel flanges with exceptional properties, that prove to be very useful, is the chemical additives incorporated in the iron alloy. These elements which are added play an active role in shaping the flanges into an impressive strengthening tool. Among these, chromium and molybdenum are the two components that constitute the bulk of the chemical composition and both of which contribute towards the chemical resistance and strength attributed to the F91 flanges. The flanges, however, are made up of several other equally important elements such as silicon, phosphorus, manganese, carbon, etc.
The A182 F91 grade alloy steel flange is renowned for the strength it possesses against harsh operating conditions. The mechanical strain of enhanced caliber has the potential of dismantling or damaging the entire equipment or system, but with the strength exhibited by the alloy steel, F91 flanges strenuous conditions as such are tackled skilfully and the efficient operation is continued without any disruption. This strength is exhibited by the flanges even as the temperature around them begins to increase rapidly and the pressure around or within the system rises. Another notable feature of the flanges which protect them against the damaging effects of elevated temperature is the thermal conductivity it expertly manifests. Aggressive conditions are not only characterized by physical strain but also chemically reactive liquids and gases, having the potential of deteriorating the flanges. Such conditions are confronted through the corrosion resistance attribute of the F91 flanges, enabling them to operate around many acids and gaseous solvents.
The A182 F91 alloy steel flanges have grown to be popular, owing to their characteristics and simple physical structure. This has led to it being actively employed in a number of applications like plumbing, water treatment system, power generation plants, the dairy industry, oil refineries, condensers, architecture, automotive, electrical industry, etc.
Regular tests and periodic inspections are conducted on both the integrity of the products and the factory conditions maintained during their manufacture, with certificates provided along with every product we dispatch.
Standard Specification
STANDARD | UNS | WERKSTOFF NR. | Trade Name |
Alloy Steel F91 | K90901 | 1.4903 | 9Cr-1Mo-V |
Grade | C | Mn | Si | P | S | Cr | Mo |
Alloy Steel F91 | 0.08 – 0.12 | 0.3 – 0.6 | 0.5 | 0.01 | 0.02 | 8.5 – 9.5 | 0.85 – 1.05 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
Alloy Steel F91 | 415 | 585 | 20 |
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Express Delivery
We understand the urgency of product requirement for Oil & Gas Industry & industrial breakdowns at various situations attenuating the project performance.
Our Certifications