4" 45° Elbow Long Radius ASME B16.9 BW WROUGHT-S ASTM A 234 GR. WPB GA-E-60112
ASTM A234 steel pipe fittings dimensions
Standards: ANSI /ASME B16.9, B16.28, MSS-SP-43.
Outer Diameter Range: 1/2” to 48”
Thickness Range: SCH 10, sch 20, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, SCH XXS etc.
Steel pipe fittings manufacturing types in forged, threaded, butt weld, and seamless.
Alloy steel pipe fittings grades in ASTM A234
The alloy steel pipe fitting is fabricated with alloy elements in such as Chrome, Molybdenum, Nickel alloy, Hastelloy alloy, Monel, Inconel, and etc. To get a higher pressure ratings, better strength, good corrosive resistance, and longer durability. It is widely used in oil and gas pipelines, chemical industries, power plants, nuclear power sites, and in server conditions.
Alloy steel pipe fittings includes buttweld fittings, alloy steel long radius bend, alloy steel forged fittings and so on.
The alloy steel buttweld fittings adopts ASTM A234 standard, has WP1, WP5, WP11, WP12, WP22,WP23 and WP91 grades. Class level in CL1, CL2, CL3.
ASTM A234 alloy steel pipe fittings includes alloy steel elbows in long and short radius, alloy steel eccentric & concentric reducer, alloy steel caps & crosses, alloy steel couplings, alloy steel tees, alloy steel nipples, alloy steel caps and etc more forms. It has seamless, welded and fabricated types.
For alloy steel forged fittings, it adopts ASTM A182 standard refers to steel pipe flanges. Material standard in ASTM A182 F1, F5, F9, F11 Class 1, F12 Class 1, F22 Class 1 ETC.
Chemical Composition
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Grade and Marking Symbol
|
Composition, %
|
|
C
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Mn
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P
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S
|
Si
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Cr
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Mo
|
|
WPB
|
0.30 max
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0.29-1.06
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0.050
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0.058
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0.10 min
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0.40 max
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0.15 max
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|
WPC
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0.35 max
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0.29-1.06
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0.050
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0.058
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0.10 min
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0.40 max
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0.15 max
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WP1
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0.28 max
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0.30-0.90
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0.045
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0.045
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0.10-0.50
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…
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0.44-0.65
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| WP12 CL1, WP12 CL2 |
0.05-0.20
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0.30-0.80
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0.045
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0.045
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0.60 max
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0.80-1.25
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0.44-0.65
|
|
WP11 CL1,
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0.05-0.15
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0.30-0.60
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0.030
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0.030
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0.50-1.00
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1.00-1.50
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0.44-0.65
|
|
WP11 CL2, WP11 CL3
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0.05-0.20
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0.30-0.80
|
0.040
|
0.040
|
0.50-1.00
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1.00-1.50
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0.44-0.65
|
|
WP22 CL1, WP22 CL3
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0.05-0.15
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0.30-0.60
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0.040
|
0.040
|
0.50 max
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1.90-2.60
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0.87-1.13
|
|
WP5 CL1, WP5 CL3
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0.15 max
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0.30-0.60
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0.040
|
0.030
|
0.50 max
|
4.0-6.0
|
0.44-0.65
|
|
WP9 CL1, WP9 CL3
|
0.15 max
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0.30-0.60
|
0.030
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0.030
|
1.00 max
|
8.0-10.0
|
0.90-1.10
|
|
WPR
|
0.20 max
|
0.40-1.06
|
0.045
|
0.050
|
…
|
…
|
…
|
|
WP91
|
0.08-0.12
|
0.30-0.60
|
0.020
|
0.010
|
0.20-0.50
|
8.0-9.5
|
0.85-1.05
|
|
WP911
|
0.09-0.13
|
0.30-0.60
|
0.020
|
0.010
|
0.10-0.50
|
8.5-9.5
|
0.90-1.10
|
Tensile Requirements
|
Grade and Marking Symbol
|
WPB
|
WPC, WP11 CL1, WP12 CL2
|
WP1
|
WP11 CL1, WP22 CL1, WP5 CL1, WP9 CL1
|
WPR
|
WP11 CL3, WP22 CL3, WP2 CL3, WP9 CL3
|
WP91
|
WP911
|
WP12 CL1
|
|
Tensile strength, range Ksi [MPa]
|
60-95
[415-655]
|
70-95 [485-655]
|
55-80 [380-550]
|
60-85
[415-585]
|
63-88 [435-605]
|
75-100 [520-690]
|
85-110 [585-760]
|
90-120 [620-840]
|
60-85 [415-585]
|
|
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]
|
64 [440]
|
32 [220]
|
ASTM A234 WPB steel pipe fitting chemical and mechanical features
Grade WPB fittings made from the steel pipes or plates maximum C is 0.35%.
Forging fittings Carbon content 0.35% maximum and Silicon content 0.35% maximum, no minimum.
For each reduce of 0.01 of Carbon content, Manganese maximum content increase 0.06%, up to the maximum 1.35% for Mn.
Copper, Nickel, Niobium and Molybdenum sum content shall not exceed 1.00%.
Niobium + Molybdenum shall not exceed 0.32%.
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