QUALITY ASSURANCE

ASTM A333


ASTM A333Impact temperature:

Grade


lvlinimum impad test temperature

F

Grade1

-50

-45

Grade3

-150

-100

Grade4

-150

-100

Grade6

-50

-45

Grade7

-100

-75

Grade8

-320

-195

Grade9

-100

-75

Grade10

-75

-60


ASTM A333 Mechanical properties:

Standard


Grade



tensile strength

(Mpa)




yield strength

(Mpa)



Bongation A%


longitudinal impact

lateral impact

ASTM A333









Grade1

380

205

35

25

Grade3

450

240

30

20

Grade4

415

240

30

16.5

Grade6

415

240

30

16.5

Grade7

450

240

30

22

Grade8

690

515

22


Grade9

435

315

28


Grade10

550

450

22


Grade11

450

240

18



ASTM A333 Chemical composition

standard

Grade

Chemical composition %



C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Al

ASTM A333









Grade1

0.3


0.40-1.06

0.025

0.025







Grade3

0.19

0.18-0.37

0.31-0.64

0.025

0.025


3.18





Grade4

0.12

0.18-0.37

0.50-1.05

0.025

0.025

0.44-1.01

0.47-0.98

0.40-0.75



0.04-0.30

Grade6

0.3

0.1

0.29-1.06

0.025

0.025







Grade7

0.19

0.13-0.32

0.9

0.025

0.025


2.03-2.57





Grade8

0.13

0.13-0.32

0.9

0.025

0.025


8.40-9.60





Grade9

0.2


0.40-1.06

0.025

0.025


1.60-2.24

0.75-1.25




Grade10

0.2

0.10-0.35

1.15-1.50

0.025

0.015

0.15

0.25

0.015

1.5

0.12

0.06

Grade11

0.1

0.35

0.6

0.025

0.025

0.5

35.0-37.0


0.5




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