General Introduction
Weld caps supplied by Dalian Dingjin are pipe fittings welded onto the ends of steel pipes to block them. They are used to seal pipelines and serve the same purpose as pipe plugs and end caps. Carbon steel butt-weld caps come in various shapes, primarily including hemispherical, elliptical, dished, and dished-end caps, collectively known as convex, conical shells, reducers, flat covers, and tapered ends. The main materials for weld caps are carbon steel, stainless steel, and alloy steel.
| Specifications | DN15-DN1200; |
| Wall Thickness | SCH5-SCH160; |
| Length | 89-343; |
| Standards | ASME, DIN, JIS, BS, GB/T, JB, SH, HG; |
| Applications | petrochemical, nuclear power, machinery, medical equipment, fertilizer production, shipbuilding, waterproofing, piping, etc. |
| Manufacturing Standards | GB/T12459, GB/T13401, ASME B16.9 |
Parameter
|
Type |
Caps |
|
Manufacture Standard |
ASME B16.9 |
|
DN |
50 |
|
Limited Wall Thickness |
1.65mm~11.07mm |
|
Cutting Method |
Gas Cutting |
|
Forming Method |
Cold Forming |
|
Heat Treatment |
Not Required |
|
Material Designation |
SA 516 Gr.70 |
|
Material Standard |
ASME |
|
Surface Treatment |
Sand Blasting |
|
Acceptance Standard |
ASME |
Manufacturing Process
1.Prepare raw materials:
Standard-compliant materials are typically used for welding pipe caps.
2.Cutting and processing:
The raw materials are cut and processed to create pipe fittings with the required shape and dimensions.
3.Welding:
Using butt welding, the pipe fittings are welded together to ensure high strength and sealing at the joints.
4.Heat treatment:
Dalian Dingjin's carbon steel butt-welded caps will be performed heat treatment to enhance their mechanical properties and corrosion resistance depending on requirements,.
5.Surface treatment:
Surface treatments such as polishing and spraying are performed on the pipe caps to improve their corrosion resistance and service life.
6.Quality inspection:
Completed pipe caps undergo quality inspection, including dimensional checks and non-destructive testing, to ensure they meet order and standard specifications.
7.Packaging:
Qualified pipe caps are packaged to protect them from damage and facilitate transportation and storage.
Competitive Price
Dingjin will support you to get the competitive price with below necessary full requirements:
1- Material designation and manufacture standard;
2- Specified DN or ID or OD;
3- Specified Sch or Plate Thickness;
4- Specified Shape;
5- Manufacture standard of pipe caps;
6- Any special requirements to dimension tolerance;
7- Requirements for Surface treatment;
8- Product drawing if possible
