Tianjin Baode Steel Co., Ltd.
We mainly produce seamless steel pipes, ERW steel pipes, LSAW steel pipes, SSAW steel pipes, as well as stainless steel, alloy steel elbows, tees, reducers, flanges, and other pipe fittings.
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ASME B16.11 ASTM A105 Threaded And Scoket CouplingASME B16.11 ASTM A105 Threaded and Scoket couplingread more
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ASTM A234 WPB Pipe Fittings Carbon Steel Caps According T...ASTM A234 WPB Pipe Fittings Carbon Steel Caps according to ASME B16.9 Products: Caps Material: Carbon Steel,ASTM A234 WPB Standard: ASTM A234, ASME B16.9 Size: DN15-DN1200 Wall Thickness: 1mm-100mm Surface: Sand blasting, Blackingread more
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Carbon Steel CapsProducts: Carbon Steel Caps. The standards for carbon steel pipe caps mainly include material standards, design standards, and implementation standards.read more
Why Choose Us
Our Certifications:
Our products are certified with ISO 9001, ISO 14001, and ISO 45001 standards. We are also recognized as an AAA Credit Enterprise.
Production Market:
Our pipe fittings are exported to over 40 countries and regions, including North America, South America, Southeast Asia, the Middle East, and Africa. Our products have received unanimous praise from both domestic and international customers.
Our Services:
We provide detailed product explanations, answer inquiries, offer solutions, and give product quotations. We keep customers updated on production progress, offer multiple payment methods, and arrange logistics and delivery. Additionally, we provide shipping schedule updates, pre-arrival reminders, and follow-up customer tracking services.

Carbon steel pipe cap is also known as head cap which is used to weld or install on the male thread of end of pipes for blocking the pipelines. It has same function as plug and blind flange.
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Product Name |
Carbon Steel Caps |
|
Size |
1/2"-48" seamless,50“-110”welded |
|
Standard |
ANSI B16.9,MSS SP 43, DIN28011, EN10253, GOST17379, JIS B2313, MSS SP 75, etc. |
|
Wall thickness |
STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. |
|
Type |
Cap, Ellipsoidal head, tank head, pipe cover |
|
End |
Bevel end/BE/buttweld |
|
Surface |
Nature color, varnished, black painting, anti-rust oil etc. |
|
Material |
Carbon steel: A234WPB, A420WPL6 St37,St45, E24, A42CP, 16Mn, Q345, P245GH, P235GH, P265GH, P280GH,P295GH,P355GH and etc. |
|
Application |
Petrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust; power plant; ship buliding;water treament,etc. |
|
Advantages |
Ready stock,faster delivery time;available in all sizes,customized;high quality |
Size
End cap is commonly made from the one steel plate, so it should be seamless. The pipe end caps are available in various shapes, like the hemispherical, oval, round etc.
|
Out diameter |
High size |
Wall thickness accord to 'E' |
||
|
DN |
NPS |
E |
E1 |
E |
|
15 |
1/2 |
25 |
25 |
3.73 |
|
20 |
3/4 |
25 |
25 |
3.91 |
|
25 |
1 |
38 |
38 |
4.55 |
|
32 |
1 1/4 |
38 |
38 |
4.85 |
|
40 |
1 1/2 |
38 |
38 |
5.08 |
|
50 |
2 |
38 |
44 |
5.54 |
|
65 |
2 1/2 |
38 |
51 |
7.01 |
|
80 |
3 |
51 |
64 |
7.62 |
|
90 |
3 1/2 |
64 |
76 |
8.08 |
|
100 |
4 |
64 |
76 |
8.56 |
|
125 |
5 |
76 |
89 |
9.53 |
|
150 |
6 |
89 |
102 |
10.97 |
|
200 |
8 |
102 |
127 |
12.7 |
|
250 |
10 |
127 |
152 |
12.7 |
|
300 |
12 |
152 |
178 |
12.7 |
|
350 |
14 |
165 |
191 |
12.7 |
|
400 |
16 |
178 |
203 |
12.7 |
|
450 |
18 |
203 |
229 |
12.7 |
|
500 |
20 |
229 |
254 |
12.7 |
|
550 |
22 |
254 |
254 |
12.7 |
|
600 |
24 |
267 |
305 |
12.7 |
|
650 |
26 |
267 |
||
|
700 |
28 |
267 |
||
|
750 |
30 |
267 |
||
|
800 |
32 |
267 |
||
|
850 |
34 |
267 |
||
|
900 |
36 |
267 |
||
|
950 |
38 |
305 |
||
|
1000 |
40 |
305 |
||
|
1050 |
42 |
305 |
||
|
1100 |
44 |
343 |
||
|
1150 |
46 |
343 |
||
|
1200 |
48 |
343 |
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Size range: 1/2 to 56 inches (DN15 to DN1400)
Pressure: SCH5 to SCH160v
Wall Thickness: Sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s
Max. wall thickness: 200mm
Key Features of Pipe End Caps
Material Strength:
Caps made from A234 WPB provide excellent tensile strength and durability, making them ideal for high-pressure systems.
Versatility:
Applicable across a wide range of pipelines, including industrial, commercial, and residential systems.
Corrosion Resistance:
With appropriate surface treatments, these caps resist corrosion, ensuring reliability in harsh conditions.
Customization Options:
Available in various sizes and thicknesses, buttweld caps can be tailored to specific pipeline needs.
Main Functions
Closing and Sealing:
The primary function is to permanently or temporarily close the open end of a pipeline to ensure the integrity and tightness of the piping system. This is crucial for pipelines conveying liquid or gaseous media, and can effectively prevent leakage.
Pressure Testing:
When a piping system is being tested for water or air pressure, the cap is used to enclose the piping so that the inside of the system can withstand the test pressure.

Safety:
Closing off the end of a pipe prevents foreign objects from entering the interior of the pipe and protects equipment and fluids from contamination. In some cases, it can also prevent accidental contact with hazardous media in the pipeline.
Future Expansion:
Some piping systems are designed to allow for future expansion connections, which are closed with a cap and then removed and connected to the new piping when needed.
Shape
The size and shape of pipe caps are other crucial factors to take into account. distinct pipe caps have distinct features. Features include:
Round Caps: The flange, slotted head, knurled or faceted head, retaining head, and tear tab are all common characteristics of round caps. A flange is designed to make it simple to remove pipes or tubes or to provide additional protection. Additionally, flanges aid in preventing inadvertent plug ejection through the aperture. A screwdriver makes it simple to put on or take off slotted caps. Typically, only threaded caps and plugs are intended to be used with knurled or faceted heads. Installation and removal are hassle-free using facets or knurls. It is simple to remove pipe caps that have a tear-tab or strip supplied.
Square or Rectangular Cap: When choosing a square or rectangular cap, the length and breadth should be taken into account the most. For square caps, the length and breadth are the same dimension, but the width is the smaller cross sectional measurement for rectangular caps.
Applications of Pipe End Caps
Oil and Gas Industry:
Used for sealing pipelines that transport crude oil, natural gas, and other resources.
Chemical Processing:
Protects pipe ends in systems exposed to corrosive chemicals.
Power Generation:
Provides reliable closures for high-pressure and high-temperature steam pipelines.
Construction:
Safeguards temporary pipelines or systems during inactive periods.
Packaging &Transportation

Certifications




FAQ
As one of the leading pipe fittings manufacturers and suppliers in China, we warmly welcome you to wholesale customized pipe fittings made in China here and get pricelist from our factory. For price consultation, contact us.
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