ASTM A182 F12 Flange WN SO SW BL

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］

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

...

...

...

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