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ASTM A182 F91 Flange

  • Material: F91
  • Production: Slip on/WN /SW/Threaded/Blind/Lapped joint/Long WN flange
  • Product standards: ASME B16.5
  • Min.Order Quantity: 1 Piece/Pieces

PRODUCT DESCRIPTION

ASTM A182/A182M-18 F91 Flange, F91 WN Flange, K90901 Flange, 1.4903 Flange, F91 SW Flange, F91 SO Flange, F91 Blind Flange, ASTM A182 F91 Flange Supplier


ASTM A182 F91 Flange Heat Treating Requirements

Grade

Heat Treat Type

Austenitizing/Solutioning Temperature, Minimum or Range, ℉[℃]A

Cooling Media

Quenching Cool Below ℉[℃]

Tempering Temperature, Minimum or Range, ℉[℃]

F91, Type1&2

 Normalize and temper or quench and temper

1900-1975[1040-1080]

Air cool accelerated air cool or liquid

B

1350-1470[730-800]

B

 

A182 K90901 F91 Flange Chemical Composition %

Grade

UNS Designation

C

Mn

P

S

Si

Ni

Cr

Mo

Co

Ti

Other Elements

F91 Type1

K90901

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

...

N 0.03-0.07

Al 0.02(applies to both heat and product analyses

V 0.18-0.25

Ti 0.01

Zr 0.01

F91 Type2

Heat Product

K90901

0.08-0.12

 

0.07-0.13

0.30-0.50

0.020

0.005

0.20-0.40

0.20

8.0-9.5

0.85-1.05

 

0.85-1.05

0.06-0.10

 

0.05-0.11

0.01

N 0.035-0.07

Al 0.020(applies to both heat and product analyses

V Heat 0.18-0.25

V Prod 0.16-0.27

Ti 0.01

Zr 0.01

B 0.001

Cu 0.10

W 0.05

Sn 0.010

As 0.010

Sb 0.003

 

1.4309 F91 Flange Mechanical properties

Grade Symbol

Tensile Strength, min, ksi[Mpa]

Yield Strength, min, ksi[Mpa]

Elongation in 2 in.[50mm]or 4D, min, %

Reduction of Area, min, %

Brinell Hardness Number, HBW, unless otherwise indicated

F91 Type1 and 2

90[620]

60[415]

20

40

190-248

 
HT PIPE is supplier and manufactuter of ASTM A182  Flanges, we supply a wide range of steel flanges: wn flanges,sw flanges, so flanges, lwn flanges, threaded flanges, blind flanges, etc. If you have inquiry, pls contact us!

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