ASME B16.11 Round Head Plug is a forged threaded pipe fitting designed for sealing unneeded pipe ends or threaded holes in high-pressure piping systems. As a proven stockist and exporter with over 16 years in international markets, HT PIPE provides pipes, plates, round bars, and a complete range of pipe fittings, flanges, and structural steel components. Contact our team for free, detailed pricing and product catalogs-no strings attached.
ASME B16.11 Standard Requirements for Round Head Plug
Pressure classes: Threaded end Round Head Plugs cover Class 2000, 3000, and 6000 psi ratings. Selection must match the operating pressure of the piping system.
Thread types: Common thread forms include NPT, BSP, and BSPT, ensuring tight fitting and leak-proof connections.
Quality control: Forgings require heat treatment processes (austenitizing, quenching, cooling) to meet mechanical property requirements. Tests include tensile strength, yield strength, elongation, and Brinell hardness verification. H grades and F63 grades also require average grain size testing.
Material Options for ASME B16.11 Round Head Plug
Carbon steel: ASTM A105 is suitable for general industrial applications with moderate temperature and pressure requirements.
Stainless steel: ASTM A182 F304, 304L, 316, 316L. Resistant to corrosion and high temperatures, ideal for chemical processing and marine environments.
Alloy steel: ASTM A182 F11, F12, F91. Designed for high-temperature, high-pressure applications such as power generation pipelines.
Special alloys: Duplex stainless steel (F51, F53), nickel alloys. Used in harsh corrosive environments like offshore oil and gas operations.
|
Nominal size |
Length |
Square height |
Width flats |
Head diameter |
Length |
Hex height |
Hex height |
Hex height |
|
|
DN |
NPS |
Amin |
Bmin |
Cmin |
Emin |
Dmin |
Hmin |
Gmin |
Fmin |
|
6 |
1/8 |
10 |
6 |
7 |
10 |
35 |
6 |
一 |
11 |
|
8 |
1/4 |
11 |
6 |
10 |
14 |
41 |
6 |
3 |
16 |
|
10 |
3/8 |
13 |
8 |
11 |
18 |
41 |
8 |
4 |
18 |
|
15 |
1/2 |
14 |
10 |
14 |
21 |
44 |
8 |
5 |
22 |
|
20 |
3/4 |
16 |
11 |
16 |
27 |
44 |
10 |
6 |
27 |
|
25 |
1 |
19 |
13 |
21 |
33 |
51 |
10 |
6 |
36 |
|
32 |
11/4 |
21 |
14 |
24 |
43 |
51 |
14 |
7 |
46 |
|
40 |
11/2 |
21 |
16 |
28 |
48 |
51 |
16 |
8 |
50 |
|
50 |
2 |
22 |
18 |
32 |
60 |
64 |
18 |
9 |
65 |
|
65 |
21/2 |
27 |
19 |
36 |
73 |
70 |
19 |
10 |
75 |
|
80 |
3 |
28 |
21 |
41 |
89 |
70 |
21 |
10 |
90 |
|
100 |
4 |
32 |
25 |
65 |
114 |
76 |
25 |
13 |
115 |
