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ASTM A182 F91 Flange

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

ASTM A182/A182M-18

 

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

 

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

 

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

 

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