Feiting is a professional manufacturer and supplier specialized in pipe fittings ,mainly made of stainless steel, low temperature steel, alloy steel, duplex steel, nickel base alloy and so on ,which are comprehensively used in projects in petrochemical industry, chemical industry, fertilizers, electric power plant, coal chemical industries, nuclear industry, town gas, and Oil & Gas industries. And we have the ability to provide professional package services for pipeline projects.
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ASTM/ASME SB366
"Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings" Scope: wrought welding fittings for pressure piping, factory-made from nickel and nickel alloys, and threaded fittings Permissible Raw Materials Marking
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ASTM A403/ASME SA403
ASTMA 403/A 403M: American Society for Testing and Materials Wrought Austenitic Stainless Steel Piping Fittings Scope: This specification covers wrought stainless steel fittings for pressure piping applications. Chemical Composition Identificati
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ASTM/ASME SB366
"Standard Specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings"
Scope: wrought welding fittings for pressure piping, factory-made from nickel and nickel alloys, and threaded fittings
Permissible Raw Materials
Marking
Product and ASTM Designation
Corrosion- Resistant Fittings
ASME Pressure Fittings
Alloy
UNS Designation
Heat TreatmentA ,B DEG °F [°C]
Quench
Pipe or Tube
Plate, Sheet, or Strip
Bar Forging and Forging Stock
CRN
WPN
Ni
N02200
1650-1700 [900 to 928]
Rapid Air/Water
B161
B162
B160, B564
CRNL
WPNL
Ni, Low C
N02201
1650-1700 [900 to 928]
Rapid Air/Water
B161
B162
B160
CRNC
WPNC
Ni-Cu
N04400
1650-1700 [900 to 928]
Rapid Air/Water
B165
B127
B164, B564
CR HX
WPHX
Ni-Cr-Mo-Fe
N06002
2150 [1177]
Rapid Air/Water
B619/B619M, B622, B626
B435
B572
CR HG
WPHG
Ni-Cr-Fe-Mo-Cu
N06007
2100-2150 [1150 to 1177]
Rapid Air/Water
B619/B619M, B622, B626
B582
B581
CRHC22
WPHC22
Low C-Ni-Mo-Cr
N06022
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B575
B574, B564, B462, B472
CRV602
WPV602
Ni-Cr-Fe
N06025
2200 [1204]
Rapid Air/Water
B163, B167
B168
B166, B462, B472
CRHG30
WPHC30
Ni-Cr-Fe-Mo-Cu
N06030
2150 [1177]
Rapid Air/Water
B619/B619M, B622, B626
B582
B581, B462, B472
CRHG35
WPHC35
Ni-Cr-Mo
N06035
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B575
B574, B564, B462, B472
CRV45TM
WPV45TM
Ni-Cr-Fe
N06045
2150 [1177]
Rapid Air/Water
B163, B167
B168
B166, B462, B472
CR2120
WP2120
Ni-Cr-Mo low C
N06058
2075 [1135]
Rapid Air/Water
B619/B619M, B622, B626
B575
B564, B574
CR5923
WP5923
Low C-Ni-Cr-Mo
N06059
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B575
B564, B574, B462, B472
CR HC 2000
WPHC2000
Low C-Ni-Cr-Mo-Cu
N06200
2075-2125 [1135-1163]
Rapid Air/Water
B619/B619M, B622, B626
B575
B564, B574, B462, B472
CRM21
WPM21
Low C-Ni-Cr-Mo-Ta
N06210
Rapid Air/Water
B619/B619M, B622, B626
B575
B564, B574
CRH230
WPH230
Ni-Cr-W-Mo
N06230
2150-2250 [1177-1232]
Rapid Air/Water
B619/B619M, B622, B626
B435
B572, B564
CRHBC1
WPHBC1
Low C-Ni-Mo-Cr
N10362
2100 [1147]
Rapid Air/Water
B619/B619M, B622, B626
B575
B574, B564, B462, B472
CR HC 4
WPHC4
Low C-Ni-Mo-Cr
N06455
1950 [1065]
Rapid Air/Water
B619/B619M, B622, B626
B575
B574
CRNCI
WPNCI
Ni-Cr-Fe
N06600
1800-1850 [983 to 1010]
Rapid Air/Water
B167, B516, B517
B168
B166, B564
CR603GT
WP603GT
Ni-Cr-Fe-Al
N06603
2175 [1189]
Rapid Air/Water
B163, B167, B516, B517
B168
B166, B564
CRNCMC
WPNCMC
Ni-Cr-Mo-Cb
N06625
GR.1 1600 [871]/GR.2 2000 [1093]
Rapid Air/Water
B444, B704, B705
B443
B446, B564
CRIN686
WPIN686
Low C-Ni-Cr-Mo
N06686
2150 [1177]
Rapid Air/Water
B163, B619/B619M, B622, B626
B575
B564, B574, B462, B472
CR626Si
WP626Si
Ni-Cr-Mo-Si
N06219
2050 [1121]
Rapid Air/Water
B444, B704, B705
B443
B446, B564
CR HG3
WPHG3
Ni-Cr-Fe-Mo-Cu
N06985
2100-2150 [1147 to 1177]
Rapid Air/Water
B619/B619M, B622, B626
B582
B581
CR20CB
WP20CB
Cr-Ni-Fe-Mo-Cu-Cb stabilized
N08020
1700-1850 [927 to 1010]
Rapid Air/Water
B464/B464M, B468, B729
B463
B472, B473, B462
CR3127
WP3127
Low C-Ni-Fe-Cr-Mo-Cu
N08031
2175 [1189]
Rapid Air/Water
B619/B619M, B622, B626
B625
B564, B649, B462,B472
CRH120
WPH120
Ni-Cr-Fe
N08120
2175-2225 [1189-1220]
Rapid Air/Water
B407, B514, B515
B409
B408, B564
CR330
WP330
Ni-Fe-Cr-Si
N08330
1900 [1038]
Rapid Air/Water
B535, B710
B536
B511, B512
CR6XN
WP6XN
Fe-Ni-Cr-Mo-N
N08367
2025 [1107]
Rapid Air/Water
B675, B676, B690
B688
B472, B564, B691, B462
CRNIC
WPNIC
Ni-Fe-Cr
N08800
1800-1900 [983 to 1038]
Rapid Air/Water
B407, B514, B515
B409
B408, B564
CRNIC10
WPNIC10
Ni-Fe-Cr
N08810
2100-2150 [1147 to 1177]
Rapid Air/Water
B407, B514, B515
B409
B408, B564
CRNIC11
WPNIC11
Ni-Fe-Cr
N08811
2100-2150 [1147 to 1177]
Rapid Air/Water
B407
B409
B408, B564
CRNICMC
WPNICMC
Ni-Fe-Cr-Mo-Cu
N08825
1700-1800 [930 to 983]
Rapid Air/Water
B423, B704, B705
B424
B425, B564
CR1925
WP1925
Low C-Ni-Fe-Cr-Mo-Cu
N08925
1800-1900 [983 to 1038]
Rapid Air/Water
B673, B674, B677
B625
B649
CR1925N
WP1925N
Low C-Ni-Fe-Cr-Mo-Cu-N
N08926
2150 [1177]
Rapid Air/Water
B673, B674, B677
B625
B649
CR HB
WPHB
Ni-Mo
N10001
1950 [1065]
Rapid Air/Water
B619/B619M, B622, B626
B333
B335
CR HN
WPHN
Ni-Mo-Cr-Fe
N10003
2150 [1177]
Rapid Air/Water
B619/B619M, B622, B626
B434
B573
CR H242
WPH242
Ni-Mo-Cr-Fe
N10242
1925-2025 [1050-1105]
Rapid Air/Water
B619/B619M, B622, B626
B434
B573, B564
CR HC 276
WPHC276
Low C-Ni-Mo-Cr
N10276
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B575
B574, B564, B462, B472
CRB10
WPB10
Low C-Ni-Mo-Cr-Fe
N10624
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B333
B335, B564
CRVB4
WPVB4
Ni-Mo
N10629
1975 [1080]
Rapid Air/Water
B619/B619M, B622, B626
B333
B335, B564, B462, B472
CR HB2
WPHB-2
Ni-Mo
N10665
1950 [1065]
Rapid Air/Water
B619/B619M, B622, B626
B333
B335, B564, B462, B472
CR HB3
WPHB–3
Ni-Mo
N10675
1950 [1065]
Rapid Air/Water
B619/B619M, B622, B626
B333
B335, B564, B462, B472
CRH160
WPH160
Ni-Co-Cr-Si
N12160
2025 [1107]
Rapid Air/Water
B619/B619M, B622, B626
B435
B564, B572
CR3033
WP3033
Low C-Cr-Ni-Fe-N
R20033
2050 [1121]
Rapid Air/Water
B619/B619M, B622, B626
B625
B564, B649, B472, B462
CRH556
WPH556
Ni-Fe-Cr-Co
R30556
2150 [1177]
Rapid Air/Water
B619/B619M, B622, B626
B435
B572
Fitting Classes for WP Grades
Class
Construction
Nondestructive Examination
S
Seamless
None
W
Welded
Radiography or Ultrasonic
WX
Welded
Radiography
WU
Welded
Ultrasonic
Fittings or components produced inaccordance with this specification shall have sizes, shapes, and dimensions in accordance with those specified in ASME B16.9, ASME B16.11, MSS SP-43, MSS SP-95, MSS SP-97, ASME H34.1, ASME H34.2, or ASME H34.3.
ASTM A403/ASME SA403
ASTMA 403/A 403M: American Society for Testing and Materials
Wrought Austenitic Stainless Steel Piping Fittings
Scope: This specification covers wrought stainless steel fittings for pressure piping applications.
Chemical Composition
Identification Symbol
Grade CR
UNS Designation
Composition, %
Carbon
Manganese
Phosphorus
Sulfur
Silicon
Nickel
Chromium
Molybdenum
Titanium
N2C
Other Elements
WP304
CR304
S30400
0.08
2
0.045
0.03
1
8.0±11.0
18.0±20.0
WP304H
CR304L
S30403
0.03
2
0.045
0.03
1
8.0±12.0
18.0±20.0
WP304L
CR304H
S30409
0.04±0.10
2
0.045
0.03
1
8.0±11.0
18.0±20.0
WP316
CR316
S31600
0.08
2
0.045
0.03
1
10.0±14.0
16.0±18.0
2.00±3.00
WP316L
CR316L
S31603
0.03
2
0.045
0.03
1
10.0±14.0
16.0±18.0
2.00±3.00
WP321
CR321
S32100
0.08
2
0.045
0.03
1
9.0±12.0
17.0±19.0
WP321H
CR321H
S32109
0.04±0.10
2
0.045
0.03
1
9.0±12.0
17.0±19.0
WP347
CR347
S34700
0.08
2
0.045
0.03
1
9.0±12.0
17.0±19.0
WP347H
CR347H
S34709
0.04±0.10
2
0.045
0.03
1
9.0±12.0
17.0±19.0
Mechanical Properties
All WP and CR Grades
Tensile Strength,
min, ksi [MPa]
Yield Strength, min,
ksi [MPa]
304, 304LN, 304H, 309,310, 316, 316LN, 316H,317, 317L, 321, 321H,347, 347H, 348, 348H
75 [515]
30 [205]
S31725
304L, 316L
70 [485]
25 [170]
304N, 316N, S31726
80 [550]
35 [240]
XM-19
100 [690]
55 [380]
S31254
94 [650] to 119 [820]
44 [300]
S33228
73 [500]
27 [185]
S34565
115 [795]
60 [415]
Elongation Requirements
Standard round specimen, or small proportional specimen, or strip-type specimen, minimum % in 4D
Longitudinal
Transverse
28
20
Fitting Classes for WP Grades
Class
Construction
Nondestructive Examination
S
Seamless
None
W
Welded
Radiography or Ultrasonic
WX
Welded
Radiography
WU
Welded
Ultrasonic
1.1 This specification covers wrought stainless steel fittings for pressure piping applications.
1.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are designated with a prefix, WP or CR, based on the applicable ASME or MSS dimensional and rating standards, respectively.
1.3 For each of the WP stainless grades, several classes of fittings are covered, to indicate whether seamless or welded construction was utilized. Class designations are also utilized to indicate the nondestructive test method and extent of nondestructive examination (NDE). Table 1 is a general summary of the fitting classes applicable to all WP grades of stainless steel covered by this specification. There are no classes for the CR grades. specification requirements are covered elsewhere.
ASTM/ASME SA350,LF2
ASTMA A 350/A 350M: American Society for Testing and Materials
Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components
Scope: This specification2 covers several grades of carbon and low-alloy steel forged or ring-rolled ¯anges, forged fittings and valves intended primarily for low-temperature service and requiring notch toughness testing.
Chemical Composition
Element
Composition, wt. %
Grade LF1
Grade LF2
Grade LF3
Grade LF5
Grade LF6
Grade LF9
Grade LF787
Carbon, max
0.3
0.3
0.2
0.3
0.22
0.2
0.07
Manganese
0.60±1.35
0.60±1.35
0.90 max
0.60±1.35
1.15±1.50
0.40±1.06
0.40±0.70
Phosphorus,max
0.035
0.035
0.035
0.035
0.025
0.035
0.025
Sulfur, max
0.04
0.04
0.04
0.04
0.025
0.04
0.025
Silicon
0.15±0.30
0.15±0.30
0.20±0.35
0.20±0.35
0.15±0.30
0.40 max
Nickel
0.40 max
0.40 max
3.3±3.7
1.0±2.0
0.40 max
1.60±2.24
0.70±1.00
Chromium
0.30 max
0.30 max
0.30 max
0.30 max
0.30 maxB,C
0.30 max
0.60±0.90
Molybdenum
0.12 max
0.12 max
0.12 max
0.12 max
0.12 maxB,C
0.12 max
0.15±0.25
Copper
0.40 max
0.40 max
0.40 max
0.40 max
0.40 max
0.75±1.25
1.00±1.30
Columbium
0.02 max
0.02 max
0.02 max
0.02 max
0.02 max
0.02 max
0.02 min
Vanadium
0.08 max
0.08 max
0.03 max
0.03 max
0.04±0.11
0.03 max
0.03 max
Nitrogen
0.01±0.030
Mechanical Properties
Grades
LF1 and LF5
LF2
LF3
LF6
LF9
LF787
Class 1
Classes 1 and 2
Classes 1 and 2
Class 2
Class 3
LF5
Class 1
Classes 2 and 3
Tensile strength, ksi [MPa]
60±85
70±95
70±95
66±91
75±100
63±88
65±85
75±95
[415±585]
[485±655]
[485±655]
[455±630]
[515±690]
[435±605]
[450±585]
[515±655]
Yield strength, min, ksi [MPa]
30 [205]
36 [250]
37.5 [260]
52 [360]
60 [415]
46 [315]
55 [380]
65 [450]
Elongation:
Standard round specimen, or small proportional specimen, min % in 4D gage length
25
22
22
22
20
25
20
20
Strip specimen for wall thickness 5¤16 in. [7.94 mm] and over and for all small sizes tested in full section; min % in 2 in. [50 mm]
28
30
30
30
28
28
28
28
Equation for calculating min elongation for strip specimens thinner than 5¤16 in. [7.94 mm]; min % in 2 in. [50 mm]
t = actual thickness in inches
48t + 13
48t + 15
48t + 15
48t + 15
48t + 13
48t + 13
48t + 13
48t + 13
Reduction of area, min, %
38
30
35
40
40
38
45
45
1.1This specification 2 covers several grades of carbon and low-alloy steel forged or ring-rolled ¯anges, forged fittings and valves intended primarily for low-temperature service and requiring notch toughness testing. They are made to specified dimensions, or to dimensional standards, such as the ASME and API specifications referenced in Section 2. Although this specification covers some piping components machined from rolled bar and seamless tubular materials (see 5.3.3), it does not cover raw material produced in these product forms.
1.2No limitation on size is intended beyond the ability of the manufacturer to obtain the specified requirements. How-ever, Class 3 of Grade LF787 is only available in the quenched-and-precipitation heat treated condition.
1.3Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified by the purchaser in the order.
ASTM/ASME SA234A234M,WPB,WPC
ASTM A234/A234M: American Society for Testing and Materials
Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
Scope: These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures.
Chemical Composition
Grade and
Marking
Symbol
Composition, %
Carbon
Manganese
Phosphorus
Sulfur
Silicon
Columbium
Molybdenum
Nickel
Copper
Others
WPB
0.30
0.29–1.06
0.05
0.06
0.10 min
0.40
0.15 max
0.40
0.40
Vanadium 0.08
WPC
0.35
0.29–1.06
0.05
0.06
0.10 min
0.40
0.15 max
0.40
0.40
Vanadium 0.08
WP1
0.28
0.30–0.90
0.05
0.05
0.10–0.50
. . .
0.44–0.65
. . .
. . .
. . .
WP12 CL1,
0.05–0.20
0.30–0.80
0.05
0.05
0.60
0.80–1.25
0.44–0.65
. . .
. . .
. . .
WP12 CL2
. . .
WP11 CL1
0.05–0.15
0.30–0.60
0.03
0.03
0.50–1.00
1.00–1.50
0.44–0.65
. . .
. . .
. . .
WP11 CL2,
0.05–0.20
0.30–0.80
0.04
0.04
0.50–1.00
1.00–1.50
0.44–0.65
. . .
. . .
. . .
WP11 CL3
. . .
WP22 CL1,
0.05–0.15
0.30–0.60
0.04
0.04
0.50
1.90–2.60
0.87–1.13
. . .
. . .
. . .
WP22 CL3
. . .
WP24
0.05–0.10
0.30–0.70
0.02
0.01
0.15–0.45
2.20–2.60
0.90–1.10
. . .
0.75–1.25
Aluminum 0.020
Boron 0.0015–0.0070
Nitrogen 0.12
Titanium 0.06–0.10
Vanadium 0.20–0.30
WP5 CL1,
0.15
0.30–0.60
0.04
0.03
0.50
4.0–6.0
0.44–0.65
. . .
. . .
. . .
WP5 CL3
. . .
WP9 CL1,
0.15
0.30–0.60
0.03
0.03
1.00
8.0–10.0
0.90–1.10
. . .
. . .
. . .
WP9 CL3
WPR
0.20
0.40–1.06
0.05
0.05
. . .
. . .
. . .
1.60–2.24
0.75–1.25
. . .
WP91
0.08–0.12
0.30–0.60
0.02
0.01
0.20–0.50
8.0–9.5
0.85–1.05
0.40
. . .
Vanadium 0.18–0.25
Columbium 0.06–0.10
Nitrogen 0.03–0.07
Aluminum 0.02F
Titanium 0.01F
Zirconium 0.01F
WP911
0.09–0.13
0.30–0.60
0.02
0.01
0.10–0.50
8.5–9.5
0.90–1.10
0.40
. . .
Vanadium 0.18–0.25
Columbium 0.060–0.10
Nitrogen 0.04–0.09
Aluminum 0.02 maxF
Boron 0.0003–0.006
Tungsten 0.90–1.10
Titanium 0.01 maxF
Zirconium 0.01 maxF
WP92
0.07–0.13
0.30–0.60
0.02
0.01
0.50
8.50–9.50
0.30–0.60
0.40
. . .
Aluminum 0.02F
Boron 0.001–0.006
Columbium 0.04–0.09
Nitrogen 0.030–0.070
Titanium 0.01
Tungsten 1.50–2.00
Vanadium 0.15–0.25
Zirconium 0.01
Mechanical Properties
Grade and Marking Symbol
WPB
WPC,
WP11 CL2,
WP12 CL2
WP1
WP11 CL1, WP22 CL1,
WP5 CL1,
WP9 CL1
WPR
WP11 CL3, WP22 CL3,
WP5 CL3, WP9 CL3
WP24
WP91
WP92
WP911
WP12 CL1
Tensile strength, minimum unless a range is given ksi [MPa]
60 [415]
70 [485]
55–80
60 [415]
63–88
75 [520]
85 [585]
90 [620]
90–120
60 [415]
[380–550]
[435–605]
[620–840]
Yield strength, min, ksi [MPa] (0.2 % offset or 0.5 % extension-under-load)
35 [240]
40 [275]
30 [205]
30 [205]
46 [315]
45 [310]
60 [415]
60 [415]
64 [440]
32 [220]
Elongation Requirements
Grades
All Grades except WPR, WP91, and WP911
WPR and WP24
WP91
WP92
WP911
Longi-tudinal
Trans-verse
Longi-tudinal
Trans-verse
Longi-tudinal
Trans-verse
Elongation:
Standard round specimen, or small proportional specimen, min % in 4 D
22.00
14.00
20.00
20.00
13.00
Rectangular specimen for wall thickness 5⁄16 in. [7.94 mm] and over, and for all small sizes tested in full section; min % in 2 in. [50 mm]
30.00
20.00
28.00
Rectangular specimen for wall thickness less than 5⁄16 in. [7.94 mm]; min % in 2 in. [50 mm] (1⁄2-in. [12.7-mm] wide specimen)
B
B
B
A WPB and WPC fittings manufactured from plate shall have a minimum elongation of 17 %. B For each 1⁄32 in. [0.79 mm] decrease in wall thickness below 5⁄16 in. [7.94 mm], a deduction of 1.5 % for longitudinal and 1.0 % for transverse from the values shown above is permitted. The following table gives the minimum value for various wall thicknesses.
Wall Thickness
Grades
All Grades except WPR, WP91 and WP911
WPR
WP91, WP92, and WP911
in.
[mm]
Longitudinal
Transverse
Longitudinal
Longitudinal
5⁄16
(0.31)
7.94
30.00
20.00
28.00
20.00
9⁄32
(0.28)
7.14
28.50
19.00
26.50
19.00
1⁄4
(0.25)
6.35
27.00
18.00
25.00
18.00
7⁄32
(0.22)
5.56
25.50
23.50
17.00
3⁄16
(0.19)
4.76
24.00
22.00
16.00
5⁄32
(0.16)
3.97
22.50
20.50
15.00
1⁄8
(0.13)
3.17
21.00
19.00
14.00
3⁄32
(0.09)
2.38
19.50
17.50
13.00
1⁄16
(0.06)
1.59
18.00
16.00
12.00
1.1This specification2 covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest revision of ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, and MSS-SP-97. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures. Fittings differ-ing from these ASME and MSS standards shall be furnished in accordance with Supplementary Requirement S58 of Specifi-cation A960/A960M.
1.2Optional supplementary requirements are provided for fittings where a greater degree of examination is desired. When desired, one or more of these supplementary requirements may be specified in the order.
1.3This specification does not cover cast welding fittings or fittings machined from castings. Cast steel welding fittings are governed by Specifications A216/A216M and A217/A217M.
