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Butt-welded Steel Fitting

Item

Chinese Standard

Steel Grade

USA Standard

ASTM

1.1 Seamless

GB12459-90

HGJ514-87

SH3408-96

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

ANSI B16.9

ANSI B16.28

MSS SP-43

A234-WPB
A420-WPL6
A234-WP12
A234-WP11
A234-WP5
A403-P304
A403-P304L
A403-WP316
A403-WP316L

(included Elbow, Tee, Cross, Reducer,Cap, Stub End)

1.2 Welded Seam

GB/T13401-92

HGJ528-90

SH3409-96

Q235A, 20g
16MnR
0Cr19Ni9
00Cr19Ni10
0Cr17Ni12Mo2
00Cr17Ni14Mo2

ANSI B16.9

ANSI B16.28

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

(included Elbow, Tee, Cross, Reducer,Cap)

 
 
Forged Steel Fitting

Item

Chinese Standard

Steel Grade

USA Standard

ASTM

2.1 Socket Welded

GB/T14383-93
HGJ10-88
HGJ529-90
SH3410-96

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

ANSI B16.11

MSS SP-83

MSS SP-97

A105
A350-LF2
A182-F12
A182-F11
A182-F5
A182-F304
A182-304L
A182-F316
A182-316L

(included Elbow,Tee, Cross, Coupling, Union, Out-let, Cap)

2.2 Threaded

GB/T14626-93

HGJ529-90

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

ANSI B16.11

MSS SP-83

MSS SP-97

A105
A350-LF2
A182-F12
A182-F11
A182-F5
A182-F304
A182-304L
A182-F316
A182-316L

(included Elbow,Tee, Cross,Coupling, Union, Out-let, Cap, Plug, Bushing)