A182 F91 Steel Flanges are high rigidity, hostile to destructive, destructive consumption opposition and stress erosion break. F91 A182 Blind Flanges are utilized when another valve is being added or while adding a different line onto a current pipeline. They are in the middle between two open flanges, which stop the course through a line. Chrome Moly Combination A182 F91 Flanges is valuable in any ventures or applications which work gear under high temperatures. It is great for conditions with a raised temperature level. A182 F91 Class 2 Flanges is solid, intense and incredibly flexible, which makes it tough and dependable. It gives great oxidation obstruction and great protection from scaling in fluid media. SA 182 GR F91 Attachment Weld Flanges are regularly furnished with a level face, raised face, or RTJ confrontation.
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ASME SA 182 Gr F91 Slip on Flanges It is extremely normal to find these flanges today in fire fighting water lines, cooling water lines, low-pressure compacted aircrafts, and cycle lines for substances, for example, oil, gas, steam, condenser and so on. They are essentially utilized for liquids at low strain or with little gamble of spillage. A182 Gr F91 Strung Flanges are frequently utilized for little breadth, high tension prerequisites. It is con a center point which has flanges that reach from 1/2′′ through 24′′. It is great for little-breadth channeling applications. ASTM A182 Grade F91 Flanges is given in tweaked and customary flanges conforming to different worldwide items quality norms for administrations at serious temperature. ASTM A182 Gr F91 Flanges is much of the time utilized in blend or is for the most part coordinated with the ASTM A335 compound steel pipes.
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Specification Schedule of Alloy Steel Grade F91 Flanges
ASTM Specification |
ASTM A182 , ASME SA182 |
Size in inch |
1/2 inch (15 NB) to 48 inch (1200NB) |
Standards
|
ANSI/ASME B16.5, B16.48, B 16.47 Series A & B, EN-1092, BS4504, BS 10, DIN |
Class and Pressure Chart |
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Chemical Properties of Alloy Steel Grade F91 Flanges
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
F91 |
0.15 max |
0.3-0.6 |
0.5-1.0 |
0.03 |
0.03 |
8-10 |
0.9-1.1 |
Mechanical Properties of Alloy Steel Grade F91 Flanges
Grade |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
F91 |
380 |
585 |
20 % |
Equivalent Standard of Alloy Steel Grade F91 Flanges
STANDARD |
UNS |
DIN WERKSTOFF NR. |
DIN |
Alloy F91 |
- |
1.4903 |
X 10 CrMoVNb 9 1 |
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