CHINESE STANDARD

STEEL GRADE

USA STANDARD

ASTM MATERIAL

SEAMLESS BUTT-WELDED FITTING
ELBOWS, TEE, CROSS, REDUCER, CAP, STUB ENDS

GB/T12459－2005
SH3408－1996
HG/T21635-1987
SY/T0510-1998
DL/T695-1999

20
16Mn
15CrMo
12Cr1MoV
1Cr5Mo
0Cr19Ni9
00Cr19Ni10
0Cr17Ni12Mo2
00Cr17Ni14Mo2

ASME B16.9
MSS SP-43

A234-WPB
A420-WPL6
A234-WP12
A234-WP11
A234-WP5
A403-WP304/304L
A403-WP316/316L

WELDED BUTT-WELDED FITTING
ELBOWS, TEE, CROSS, REDUCER, CAP

GB/T13401－2005
SH3409－1996
HG21631-1990

Q235A、
20g
16MnR?
0Cr19Ni9
00Cr19Ni10
0Cr17Ni12Mo2
00Cr17Ni14Mo2

ASME B16.9

A234-WPB
A420-WPL6
A403-WP304
A403-WP304L
A403-WP316
A403-WP316L

SOCKET WELDED （SCR）FITTING
ELBOW, TEE, CROSS, COUPLING, UNION,OUT-LET, CAP, PLUG, BUSHING

GB/T14383－2008
SH3410－96
Hg21632

20
16Mn
15CrMo
12Cr1MoV
1Cr5Mo
0Cr19Ni9
00Cr19Ni10
0Cr17Ni12Mo2
00Cr17Ni14Mo2

ASME B16.11
MSS SP-83
MSS SP-97

A105 ?
A350-LF2
A182-F12
A182-F11
A182-F5
A182-F304
A182-F304L
A182-F316
A182-F316L

PLATE SLIP-ON FLANGE

GB9119??????? HG20593
JB/T81

20
16Mn
15CrMo
12Cr1MoV
1Cr5Mo
0Cr19Ni9
00Cr19Ni10
0Cr17Ni12Mo2
00Cr17Ni14Mo2

ANSI B16.5
ANSI B16.47
API605
MSS SP-44

A105
A350-LF2
A350
A182-F12
A182-F11
A182-F5
A182-F304
A182-F304L
A182-F316
A182-F316L

SLIP-ON FLANGE

GB9116????? SH3406
HG20594??? HG20616

WELDED NECK FLANGE

GB9115????? SH3406
HG20595??? HG20617
JB/T82

SOCKET WELDED FLANGE

GB9117??????? SH3406
HG20597????? HG20619

THREADED FLANGE

GB9114??????? SH3406
HG20598????? HG20620

LAP JOINT FLANGE

GB9122?????? SH3406
HG20599????? HG20621
JB/T85

BLIND FLANGE

GB9123?????? SH3406
HG20601????? HG20622
JB/T86