ASTM A234 WPB Pipe Fittings Manufacturer
ASTM A234, ASTM A234 WPB, ASTM A234 Gr WPB, ASTM A234 Gr WPB Fittings, ASTM A234 Gr WPB Pipe Fittings, A234 Carbon Steel, A234 WPB, ASTM A234 WPB, A234 WPB, ASTM A234 WPB Fittings, ASTM A234 WPB Pipe Fittings, ASTM A234 Carbon and Alloy Steel Pipe Fittings, ASTM A234 WPB steel pipe fitting, ASTM A234 seamless and welded pipe fittings, ASME SA 234 Gr WPB Pipe Elbow, ANSI B16.28 ASTM A234 WPB Reducer, Manufacturer of ASTM A234 WPB
Introduction
Kalpataru Piping Solutions is a top manufacturer and supplier of high quality ASTM A234 WPB pipe fittings. We provide a comprehensive range of fittings designed to meet industry standards and expectations.
Our ASTM A234 Gr WPB fittings are made from high-quality materials, ensuring durability and long-lasting performance in various applications. We offer a variety of fittings like elbows and tees, customized to fit your needs. Whether you need standard fittings or something specific, we can help. Partner with us for dependable fittings that meet high standards. Contact us today to discuss your requirements and experience the quality.
What is ASTM A234 WPB?
ASTM A234 WPB is a standard for steel pipe fittings used in pipelines and pressure vessel construction for moderate to high-temperature services. These fittings are made from carbon steel and alloy steel materials, in both seamless and welded types. They are crucial for carrying fluids under high pressure and are designed to withstand tough conditions.
This standard covers various types of fittings like elbows, tees, reducers, caps, and crosses, all of which are essential components in pressure piping systems. The materials used include killed steel, forgings, bars, plates, and seamless or fusion-welded pipes with filler metal.
These fittings, meeting ASTM A234 standards, ensure durability and reliability in demanding environments where temperature and pressure are significant factors. They are commonly used in industries requiring efficient and safe fluid transport systems.
Grades in ASTM A234
The ASTM A234 specification includes various grades like WPB, WPC, WP5, WP9, WP11, WP12, WP22, WP91, and more. Among these, WPB is the most commonly used grade for pipelines that handle medium to high temperatures. The “W” in WPB stands for weldable, “P” for pressure, and “B” indicates its grade with reference to minimum yield strength.
ASTM A234 WPB fittings can be made from raw materials like steel pipes (e.g., ASTM A106 Gr.B and C) or steel plates (e.g., ASTM A285 Gr.C, ASTM A516 Gr 70, ASTM A572, etc.).
Essentially, ASTM A234 offers a range of grades suitable for various temperature and pressure requirements in piping systems, with WPB being a widely used choice for its strength and weldability.
What is Steel pipe fitting?
Steel pipe fittings are components used to connect and control the flow of steel pipes. They come in various shapes and sizes, such as elbows, tees, reducers, and caps, and are essential for creating efficient and functional piping systems. These fittings are made from durable steel materials and are designed to withstand high pressures and temperatures, ensuring reliable performance in industrial applications.
ASTM A234 GR WPB Specifications
|
Specification |
Description |
|
Grade |
WPB |
|
Material Type |
Carbon Steel |
|
Size Range |
1/2″ to 48″ (DN15 to DN1200) |
|
Wall Thickness |
SCH 10, SCH 20, SCH 30, STD, SCH 40, SCH 60, XS, SCH 80, SCH 100 |
|
Manufacturing |
Seamless or Welded |
|
Standards |
ASTM A234/A234M |
|
End Connections |
Butt Weld |
|
Applications |
High-temperature and pressure services, pipelines, vessels |
ASTM A234 Gr WPB Chemical Composition
|
Grade and Marking Symbol |
Composition, % |
||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
|
WPB |
0.30 max |
0.29-1.06 |
0.050 |
0.058 |
0.10 min |
0.40 max |
0.15 max |
|
WPC |
0.35 max |
0.29-1.06 |
0.050 |
0.058 |
0.10 min |
0.40 max |
0.15 max |
|
WP1 |
0.28 max |
0.30-0.90 |
0.045 |
0.045 |
0.10-0.50 |
… |
0.44-0.65 |
|
WP12 CL1, WP12 CL2 |
0.05-0.20 |
0.30-0.80 |
0.045 |
0.045 |
0.60 max |
0.80-1.25 |
0.44-0.65 |
|
WP11 CL1, |
0.05-0.15 |
0.30-0.60 |
0.030 |
0.030 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
|
WP11 CL2, WP11 CL3 |
0.05-0.20 |
0.30-0.80 |
0.040 |
0.040 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
|
WP22 CL1, WP22 CL3 |
0.05-0.15 |
0.30-0.60 |
0.040 |
0.040 |
0.50 max |
1.90-2.60 |
0.87-1.13 |
|
WP5 CL1, WP5 CL3 |
0.15 max |
0.30-0.60 |
0.040 |
0.030 |
0.50 max |
4.0-6.0 |
0.44-0.65 |
|
WP9 CL1, WP9 CL3 |
0.15 max |
0.30-0.60 |
0.030 |
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 |
ASTM A234 WPB Pipe Fittings Mechanical Properties
Tensile Strength 60,000 pis 415 Mpa
Yield Strength 35,000 psi 240 Mpa
Pressure Ratings: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2000 LBS, 3000 LBS to 9000 LBS.
For other grades in ASTM A234:
|
WPB |
WPC, WP11-CL2 |
WP11-CL1, WP22-CL1, WP5-CL1, WP9-CL1, |
WP11-CL3, WP22-CL3, WP5-CL3, WP9-CL3 |
WP91 |
|
|
Tensile strength, minimum unless a range is given ksi (MPa) |
60 (415) |
70 (485) |
60 (415) |
75 (520) |
90 (620) |
|
Yield,strength, min ksi (MPa) (0.2% offset or 0.5% extension under-load) |
35 (240) |
40 (275) |
30 (205) |
45 (310) |
60 (415) |
ASTM A234 includes seamless and welded pipe fittings
ASTM A234 covers both seamless and welded pipe fittings. These A234 WPB fittings are used to connect steel pipes and are designed to handle various temperatures and pressures in industrial applications.
ASTM A234 Gr WPB Steel Pipe Fittings Dimensions
- Elbows: Available in 45° and 90° angles, with sizes ranging from 1/2 inch to 48 inches (DN15 to DN1200).
- Tees: Available in equal and reducing configurations, with sizes ranging from 1/2 inch to 48 inches (DN15 to DN1200).
- Reducers: Concentric and eccentric reducers with sizes ranging from 1/2 inch to 48 inches (DN15 to DN1200).
- Caps: End caps available in sizes from 1/2 inch to 48 inches (DN15 to DN1200).
- Crosses: Available in various sizes depending on the application, typically ranging from 1/2 inch to 48 inches (DN15 to DN1200).
These dimensions ensure compatibility and proper fitment in piping systems using ASTM A234 Grade WPB steel pipe fittings.
Alloy steel pipe fittings grades in ASTM A234
Here are some of the common alloy steel pipe fitting grades included in ASTM A234:
- Grade WP5: Suitable for high-temperature applications, often used in refineries and power plants.
- Grade WP9: Offers enhanced strength and corrosion resistance, used in chemical processing industries.
- Grade WP11: Known for its excellent toughness and weldability, commonly used in petrochemical plants.
- Grade WP22: Provides high tensile strength and resistance to oxidation, used in steam and gas pipelines.
- Grade WP91: Offers superior creep resistance and durability, ideal for high-temperature and pressure environments.
These alloy steel grades in ASTM A234 are designed to meet specific performance requirements in various industrial settings, offering a range of properties such as strength, corrosion resistance, and thermal stability.
ASTM WPB Chemical Composition
|
Grade and Marking Symbol |
Composition, % |
||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
|
|
WPB |
0.30 max |
0.29-1.06 |
0.050 |
0.058 |
0.10 min |
0.40 max |
0.15 max |
|
WPC |
0.35 max |
0.29-1.06 |
0.050 |
0.058 |
0.10 min |
0.40 max |
0.15 max |
|
WP1 |
0.28 max |
0.30-0.90 |
0.045 |
0.045 |
0.10-0.50 |
… |
0.44-0.65 |
|
WP12 CL1, WP12 CL2 |
0.05-0.20 |
0.30-0.80 |
0.045 |
0.045 |
0.60 max |
0.80-1.25 |
0.44-0.65 |
|
WP11 CL1, |
0.05-0.15 |
0.30-0.60 |
0.030 |
0.030 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
|
WP11 CL2, WP11 CL3 |
0.05-0.20 |
0.30-0.80 |
0.040 |
0.040 |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
|
WP22 CL1, WP22 CL3 |
0.05-0.15 |
0.30-0.60 |
0.040 |
0.040 |
0.50 max |
1.90-2.60 |
0.87-1.13 |
|
WP5 CL1, WP5 CL3 |
0.15 max |
0.30-0.60 |
0.040 |
0.030 |
0.50 max |
4.0-6.0 |
0.44-0.65 |
|
WP9 CL1, WP9 CL3 |
0.15 max |
0.30-0.60 |
0.030 |
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] |
Types of ASTM A234 WPB Pipe Fittings
|
Type |
Description |
|
Elbows |
Used to change the direction of piping systems |
|
Tees |
Used to branch off pipelines at 90-degree angles |
|
Reducers |
Used to connect pipes of different diameters |
|
Caps |
Used to close the ends of pipes |
|
Crosses |
Used in intersections of pipe systems |
|
Stub Ends |
Used for connecting flanges to pipes |
|
Couplings |
Used to join two pipes together |
|
Nipples |
Short sections of pipe used for connecting fittings |
ASTM A234 WPB Tee Equivalent Grades
|
Pipe |
Fittings |
Flanges |
Valves |
Bolts & Nuts |
|
A106 Gr A |
A234 Gr WPA |
A105 |
A216 Gr WCB |
A193 Gr B7 A194 Gr 2H |
|
A106 Gr B |
A234 Gr WPB |
A105 |
A216 Gr WCB |
|
|
A106 Gr C |
A234 Gr WPC |
A105 |
A216 Gr WCB |
Reducer Weight – ANSI B16.28 ASTM A234 WPB
|
Product range and theoretical weights (kg) |
|||||||||
|
DN |
Schedule 10S |
Schedule 40S |
Schedule 80S |
||||||
|
900 Elbow |
450 Elbow |
Equal tee |
900 Elbow |
450 Elbow |
Equal tee |
900 Elbow |
450 Elbow |
Equal tee |
|
|
8 |
0.02 |
0.01 |
0.03 |
0.03 |
0.02 |
0.06 |
0.04 |
0.03 |
0.07 |
|
10 |
0.03 |
0.02 |
0.05 |
0.03 |
0.02 |
0.03 |
0.06 |
0.04 |
0.09 |
|
15 |
0.06 |
0.03 |
0.09 |
0.08 |
0.04 |
0.10 |
0.10 |
0.05 |
0.14 |
|
20 |
0.07 |
0.03 |
0.13 |
0.08 |
0.04 |
0.17 |
0.11 |
0.05 |
0.20 |
|
25 |
0.14 |
0.08 |
0.28 |
0.15 |
0.11 |
0.29 |
0.22 |
0.14 |
0.38 |
|
32 |
0.23 |
0.11 |
0.49 |
0.26 |
0.17 |
0.59 |
0.40 |
0.23 |
0.68 |
|
40 |
0.30 |
0.17 |
0.68 |
0.40 |
0.23 |
0.86 |
0.51 |
0.29 |
1.02 |
|
50 |
0.50 |
0.25 |
0.85 |
0.70 |
0.4 |
1.28 |
0.91 |
0.59 |
1.59 |
|
65 |
0.85 |
0.48 |
1.41 |
1.40 |
0.77 |
2.19 |
1.81 |
0.99 |
3.13 |
|
80 |
1.25 |
0.63 |
1.77 |
2.20 |
1.08 |
3.31 |
2.97 |
1.50 |
4.45 |
|
90 |
1.70 |
0.75 |
2.67 |
2.83 |
1.42 |
4.08 |
4.00 |
2.00 |
5.44 |
|
100 |
2.10 |
1.08 |
3.46 |
4.47 |
2.09 |
5.27 |
6.18 |
2.81 |
7.71 |
|
150 |
5.45 |
2.72 |
8.07 |
10.89 |
5.44 |
10.99 |
16.32 |
8.16 |
13.61 |
|
200 |
10.20 |
5.33 |
15.65 |
21.54 |
10.77 |
20.91 |
33.11 |
16.56 |
28.12 |
|
250 |
18.15 |
9.75 |
26.46 |
38.56 |
19.27 |
35.38 |
51.71 |
25.86 |
49.90 |
|
300 |
25.80 |
13.62 |
39.46 |
59.42 |
29.71 |
62.14 |
79.38 |
39.69 |
83.91 |
ASTM A234 WPB Buttweld Fittings Mechanical Analysis
|
Tensile Requirements |
WPB |
WPC, WP11CL2 |
WP11CL1 |
WP11CL3 |
|
Tensile Strength, min, ksi[MPa] |
60-85 |
70-95 |
60-85 |
75-100 |
|
(0.2% offset or 0.5% extension-under-load) |
[415-585] |
[485-655] |
[415-585] |
[520-690] |
|
Yield Strength, min, ksi[MPa] |
32 |
40 |
30 |
45 |
|
[240] |
[275] |
[205] |
[310] |
ASTM SA234 WPB Elbow Size Chart
| Minimal Pipe Size | O.D. | 90° Elbows | 45° Elbows | 180° Returns | ||||
| (inches) | LR | SR | LR | LR | ||||
| (Millimetre) | (inch) | Center to Face
(inch) |
Center to Face
(inch) |
Center to Face
(inch) |
Radii
(inch) |
Center to Center
(inch) |
Back to face
(inch) |
|
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
FAQs
What is ASTM A234 WPB material?
ASTM A234 WPB refers to a grade of material used for steel pipe fittings. It stands for “Weldable,” “Pressure,” and “Grade B,” indicating its suitability for welding, withstanding pressure, and being a grade B material with specific properties.
Are A234 WPB fittings seamless or welded?
ASTM A234 WPB fittings can be either seamless or welded, depending on the specific requirements and application.
