ASTM A213
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ASTM A213
ASTM A213
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ASTM A213
ASTM A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
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  • Chemical Composition
  • Tensile Requirements

Grade

UNS Designation

Composition %

C

Mn

P

S

Si

Cr

Mo

max

max

T2

K11547

0.10-0.20

0.30-0.61

0.025

0.025

0.10-0.30

0.50-0.81

0.44-0.65

T5

K41545

0.15max

0.30-0.60

0.025

0.025

0.50max

4.0-6.0

0.45-0.65

T9

K90941

0.15max

0.30-0.60

0.025

0.025

0.25-1.00

8.0-10.0

0.90-1.10

T11

K11597

0.05-0.15

0.30-0.60

0.025

0.025

0.50-1.00

1.0-1.5

0.44-0.65

T12

K11562

0.05-0.15

0.30-0.61

0.025

0.025

0.50max

0.80-1.25

0.44-0.65

T22

K21590

0.05-0.15

0.30-0.60

0.025

0.025

0.50max

1.9-2.6

0.87-1.13

T91

K90901

0.07-0.14

0.30-0.60

0.02

0.01

0.20-0.50

8.0-9.5

0.85-1.05

For T91: V at 0.18-0.25;N at 0.030-0.070;
Ni at 0.4 max; Al at 0.02max;
Ti at 0.01 max;
Zr at 0.01max.


T2

T5

T9

T11

T12

T22

T91

Tensile strength, min:


ksi

60

60

60

60

60

60

85

Mpa

415

415

415

415

415

415

585

Yield strength, min:


ksi

30

30

30

30

30

30

60

MPa

205

205

205

205

220

205

415

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