ASTM A105 Blind Flange
ASME B16.5 blind flanges offered by GNEE are the same as standard pipe flanges and can be raised or flat. It has strong resistance to chemical corrosion and oxidation, and has high stress fracture efficiency under high stress after heat treatment.
The composition of A105 carbon steel flange contains carbon, manganese, phosphorus, sulfur, silicon, copper, nickel, chromium, molybdenum and vanadium. There are different types, such as A105 blind flange for closing pipes, A105 low carbon steel raised face blind flange Flanges help concentrate greater force into a smaller area, enhancing containment capabilities.
A105 blind flange has excellent resistance to chloride ion stress corrosion cracking and is adaptable to oxidizing environments. Therefore, A105 carbon steel blind flanges are widely used in power generation, petrochemical plants, refineries, wastewater treatment plants, paper mills, and pharmaceutical plants.
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Product information
ASTM A105 Carbon Steel Blind Flanges Specification Chart
| Size Details | (1/2") To (48") |
|---|---|
| High Temperature Ratings | Above 200° Celsius (400°F) For 150 Class Or Above 400° Celsius (750°F) |
| Low Temperature Ratings | Above -29 ° Celsius (−20°F) |
| Thickness Chart | NPS ≤ 18 |
| Bore Diameter Formula | NPS ≤ 10 |
| ASME B16.5 Standards | EN1092, UNI, EN-1092, ANSI/ASME B16.5, API7S-43, API605, BS4504, API7S-15, API, ISO, MSS S44, ASME B16.48, AWWA C207, IS 2062, ISO70051, ASME B16.36, DIN, BS1560-3.1, B16.47 Series A & B. |
| Pressure Test | Class 150 To Class 2500 |
| Forging Techniques In |
Machined/ Forged/ Heat Treated |
| Different Type | Forged / Plate/ Threaded |
| ISO Approved Manufacturer Of | Lap Joint, Socket-Weld, Threaded, Weld Neck, Blind, Slip-On |
A105 Raised Face Blind Flange Tolerance Formula
| ASTM A105 Carbon Steel Blind Flanges | Tolerance Table | |
|---|---|---|
| A | O.D. (Outside Diameter) |
When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter) When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter) |
| D | Inside Diameter (I.D.) |
10" and smaller: ±1/32" (0.8 mm) 12" thru 18": +1/8" (3.2 mm) 20" and larger: -1/16" (1.6 mm) |
| B | Diameter of contact face |
1/16" raised face: ±1/32" (0.8 mm) 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter) |
| J | Diameter of hub at base |
When hub base is 24" or smaller: ±1/16" (1.6 millimeter) When hub base is over 24": ±1/8" (3.2 millimeter) |
| H | Diameter of hub at point of welding |
5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm) 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm) |
| P | Drilling |
Circle Bolts: ±1/16" (1.6 mm) Bolts hole spacing: ±1/32" (0.8 mm) |
| Eccentricity of bolt circle with respect to facing |
2 1/2" and smaller ±1/32" (0.8 mm) maximum 3" and larger ±1/16" (1.6 mm) maximum |
|
| C | Thickness |
18" and smaller: ±1/8" (3.2 mm), -0" 20" and larger: ±3/16" (4.8 mm), -0" |
| K | Length of hub |
10" and smaller: ±1/16" (1.6 mm) 12" and larger: ±1/8" (3.2 mm) |
A105 steel flange
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gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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FAQ
1.Q.What's your advantage?
A.Honest business with competitive price and professional service on export process.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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