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Alloy Steel A182 F12/F22/F91 Flange

  • Material:Alloy Steel A182 F12/F22/F91 Flange
  • 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, ℉[℃]

F12, Class1,2

anneal

1650[900]

Furnace cool

B

1150[620]

 

Normalize and temper

1650[900]

Air cool

B

1150[620]

F22, Class1,3

anneal

1650[900]

Furnace cool

B

1250[675

 

Normalize and temper

1650[900]

Air cool

B

1250[675

F91, Type1&2

 Normalize and temper or quench and temper

1900-19751040-1080

Air cool accelerated air cool or liquid

B

1350-1470730-800

B

 

Grade

UNS Designation

C

Mn

P

S

Si

Ni

Cr

Mo

Co

Ti

Other Elements

F12 Class 1

K11562

0.05-0.15

0.30-0.60

0.045

0.045

0.50 MAX

...

0.80-1.25

0.44-0.65

...

...

...

F12 Class 2

K11564

0.10-0.20

0.30-0.60

0.040

0.040

0.10-0.60

...

0.80-1.25

0.44-0.65

...

...

...

F22 Class 1

K21590

0.05-0.15

0.30-0.60

0.045

0.040

0.50

...

2.00-2.50

0.87-1.13

...

...

...

F22 Class 3

K21590

0.05-0.15

0.30-0.60

0.040

0.040

0.50

...

2.00-2.50

0.87-1.13

...

...

...

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

F12 Class 1

60[415]

32[220]

20

45

121-174

F12 Class 2

70[485]

40[275]

20

30

143-207

F22 Class 1

60[415]

30[205

20

35

170 max

F22 Class 3

75515

45310

20

30

156-207

F91 Type1 and 2

90620

60415

20

40

190-248

 

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