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?????????ˉ??-ASTM A333 GR.6???1??????????

Gr.6?????

Gr.6??????(%)
C	Mn	P	S	Si
??0.30	0.29??1.06	??0.025	??0.025	??0.10

????????MPa??	????????MPa??	??С??? ????????J??	????? ?????????棩
??415	??240	18	-45??

ASTM A333 GR.6???1??????????

????	????????????
	?H	??
Grade 1	-50	-45
Grade 3	-150	-100
Grade 4	-150	-100
Grade 6	-50	-45
Grade 7	-100	-75
Grade 8	-320	-195
Grade 9	-100	-75
Grade 10	-75	-60

???	???	????????MPa??	????????MPa??	?????????
				?? ??	?? ??
ASTM A333	Grade 1	??380	??205	??35	??25
	Grade 3	??450	??240	??30	??20
	Grade 4	??415	??240	??30	??16.5
	Grade 6	??415	??240	??30	??16.5
	Grade 7	??450	??240	??30	??22
	Grade 8	??690	??515	??22
	Grade 9	??435	??315	??28
	Grade 10	??550	??450	??22
	Grade 11	??450	??240	??18

???

???

???????????

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Al

ASTM A333

Grade 1

??0.30

0.40-1.06

??0.025

??0.025

Grade 3

??0.19

0.18-0.37

0.31-0.64

??0.025

??0.025

3.18-3.82

Grade 4

??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

Grade 6

??0.30

??0.10

0.29-1.06

??0.025

??0.025

Grade 7

??0.19

0.13-0.32

??0.90

??0.025

??0.025

2.03-2.57

Grade 8

??0.13

0.13-0.32

??0.90

??0.025

??0.025

8.40-9.60

Grade 9

??0.20

0.40-1.06

??0.025

??0.025

1.60-2.24

0.75-1.25

Grade 10

??0.20

0.10-0.35

1.15-1.50

??0.03

??0.015

??0.15

??0.25

??0.015

??0.50

??0.12

??0.06

Grade 11

??0.10

??0.35

??0.6

??0.025

??0.025

??0.50

35.0-37.0

??0.50