ANSI/ASME B16.5 Threaded Flange

screwed-threaded-flanges

Table of Content

Kaizen Steel Industries specializes in manufacturing, supplying, and exporting Threaded/Screwed Flanges. These flanges are ideal for businesses in various industries, helping them expand into new areas. A key feature of these flanges is that they can be connected to pipes without welding. Nickel Threaded/Screwed Flanges have threads on their bore, allowing them to fit pipes with external threads.

Stainless Steel Threaded/Screwed Flanges are cost-effective and are best suited for small pipes and low-pressure applications. They are especially useful in industries where welding might be risky due to high combustibility. 

Threaded pipe flanges are designed to be attached to pipes without the need for welding. These flanges have threads in the bore that match the external threads on the pipe. They are similar to slip-on pipe flanges but are used specifically with pipes that have external threads. Threaded flanges are ideal for situations where small diameters and high pressure are required. They are available in various materials, specifications, sizes, and grades.

Key Features of Threaded Flanges:

  • No welding required
  • Suitable for smaller pipe sizes
  • Not recommended for larger pipes

Uses of Threaded Flanges:

  • Can be attached to pipes of different sizes without welding
  • Used in high-pressure applications
  • Cost-effective and saves time
  • Ideal for situations where welding might be hazardous

Threaded pipe flanges are usually available with a raised face, flat face, or Ring Type Joint (RTJ) facing. For threaded pipe flanges under 400#, the standard raised face height is 1/16″. For flanges rated 400# and above, the raised face height is typically 1/4″.

Threaded / Screwed Flanges Specification

Dimensions  ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size  1/2″ (15 NB) to 48″ (1200NB)
Class  150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN  DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BS  BS4504 , BS4504, BS1560, BS10
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Threaded Flanges Material & Grades

Stainless Steel Threaded / Screwed Flanges  ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Threaded / Screwed Flanges ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Threaded / Screwed Flanges ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Threaded / Screwed Flanges  ASTM A350, LF2, LF3
Alloy Steel Threaded / Screwed Flanges ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Threaded / Screwed Flanges ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Threaded / Screwed Flanges ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)

ASME B16.5 Threaded Flange Dimensions

Class15030040060090015002500
Diameter – A30383838383843
Diameter – D90959595120120135
Thickness – B9.612.714.314.322.322.330.2
11.214.320.720.728.728.736.6
Diameter – G35.135.135.135.135.135.135.1
Diameter – K60.366.766.766.782.682.688.9
Height – H14212222323240
15.622.628.428.438.438.446.4
Bolt Holes4444444
Diameter – L15.915.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter (in)1/21/21/21/23/43/43/4
Length (mm)55657575110110120
Other Diameters
NPS1/23/412

Weight Chart Of Threaded Flange

Normal Diam.O.D. Flange Thk. Of Flange Min Diam.
of
Hub 
Diameter of Raised Face Lengtd Hub.YThread LengtdDiam. 
of Bolt
Circle
Diam. 
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
Approx. Weight
inchdnOCXGYTBCBHBNBDKGLB
1/2″1589.0011.2030.2035.1015.7015.7060.5015.8041/2″0.40.9
3/4″2098.5012.7038.1042.9015.7015.7069.9015.8041/2″0.71.5
1″25108.0014.2049.3050.8017.5017.5079.3015.8041/2″0.81.8
1-1/4″32117.5015.7058.7063.5020.6020.6088.9015.8041/2″1.22.6
1-1/2″40127.0017.5065.0073.2022.4022.4098.6015.8041/2″1.53.3
2″50152.5019.1077.7091.9025.4025.40120.7019.1045/8″2.35.1
2-1/2″65178.0022.4090.40104.6028.4028.40139.7019.1045/8″3.78.1
3″80190.5023.90108.00127.0030.2030.20152.4019.1045/8″4.19
3-1/2″90216.0023.90122.20139.7031.8031.80177.8019.1085/8″5.111.2
4″100228.5023.90134.90157.2033.3033.30190.5019.1085/8″5.913
5″125254.0023.90163.60185.7036.6036.60215.9022.4083/4″715.4
6″150279.5025.40192.00215.9039.6039.60241.3022.4083/4″8.418.5
8″200343.0028.40246.10269.7044.5044.50298.5022.4083/4″1328.6
10″250406.5030.20304.80323.9049.3049.30362.0025.40127/8″1839.5
12″300482.5031.80365.30381.0055.6055.60431.8025.40127/8″2964
14″350533.5035.10400.10412.8057.2057.20476.3028.50121″3986
16″400597.0036.60457.20469.9063.5063.50539.8028.50161″47103
18″450635.0039.60505.00533.4068.3068.30577.9031.80161 1/8″57126
20″500698.5042.90558.80584.2073.2073.20635.0031.80201 1/8″76167
24″600813.0047.80663.40692.2082.6082.60749.3035.10201 1/4″97214

ANSI B16.5 Threaded/Screwed Flanges Applications

ASME B16.5 Threaded Flanges offer excellent performance and are designed to meet various demands. We provide a wide range of Screwed Flanges through a global network of stock-keeping branches. These flanges are used across many industries, including:

  • Oil and Gas Pipelines: Stainless Steel Threaded Flanges
  • Chemical Industry: Threaded Flanges
  • Plumbing: Alloy Steel Screwed Flanges
  • Heating Systems: Flat Faced Threaded Flanges
  • Water Supply Systems: Threaded Pipe Flanges
  • Power Plants: ANSI B16.5 Threaded Forged Flanges
  • Paper and Pulp Industry: Threaded Plate Flanges
  • General Applications: Threaded Flanges
  • Fabrication Industry: Steel Threaded Flanges
  • Food Processing Industry: Threaded Flanges
  • Structural Pipe: Threaded Flanges

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