ASTM A182 F91 Flange

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F91 Chrome Moly Raised Face Blind Flange Manufacturer

ASTM A182 F91 Flange

ASTM A182 F91 Flange

Biggest ASME SA182M Alloy Steel F91 Weld Neck Flange Stockholder, Leading Distributor of F91 Chrome Moly Blind Flange

Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092
Pressure Rating ANSI 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS
Pressure Calculation in DIN 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent
Most common types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Test Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector
Equipment Bending machine, Pushing Machine,Press machine, electric bevelling machine, Sand-blasting machine etc
Nominal Pipe Size
NPS

(inches)
Class 300
Diameter of
Flange

(inches)
No.
of

Bolts
Diameter of
Bolts

(inches)
Diameter of
Bolt Holes
(inches)
Bolt
Circle

(inches)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-3/4 4 1/2 0.62 2-5/8
3/4 4-5/8 4 5/8 0.75 3-1/4
1 4-7/8 4 5/8 0.75 3-1/2
1-1/4 5-1/4 4 5/8 0.75 3-7/8
1-1/2 6-1/8 4 3/4 0.88 4-1/2
2 6-1/2 8 5/8 0.75 5
2-1/2 7-1/2 8 3/4 0.88 5-7/8
3 8-1/4 8 3/4 0.88 6-5/8
3-1/2 9 8 3/4 0.88 7-1/4
4 10 8 3/4 0.88 7-7/8
5 11 8 3/4 0.88 9-1/4
6 12-1/2 12 3/4 0.88 10-5/8
8 15 12 7/8 1 13
10 17-1/2 16 1 1.12 15-1/4
12 20-1/2 16 1-1/8 1.25 17-3/4
14 23 20 1-1/8 1.25 20-1/4
16 25-1/2 20 1-1/4 1.38 22-1/2
18 28 24 1-1/4 1.38 24-3/4
20 30-1/2 24 1-1/4 1.38 27
24 36 24 1-1/2 1.62 32
Grade C Mn Si S P Cr Mo
Alloy Steel F91 0.08-0.12 0.3-0.6 0.5 0.01 0.02 8.5-9.5 0.85-1.05
Tensile Strength Yield Strength (0.2%Offset) Elongation
415 585 20 %

Reliable Grade F91 Alloy Threaded Flanges Stockholder, View F91 Alloy Steel RTJ Flange Factory Price, Alloy Steel A182 F91 Reducing Flange Supplier

Countries We Export to

Taiwan, Egypt, Australia, Lithuania, Israel, Vietnam, Gabon, Croatia, Hong Kong, Estonia, United Arab Emirates, Nigeria, Bolivia, Netherlands, Iraq, United Kingdom, Sweden, China, Bahrain, Pakistan, Sri Lanka, United States, Malaysia, South Africa, Oman, Serbia, Spain, Greece, South Korea, Denmark, Italy, Russia, Algeria, Colombia, Azerbaijan, Iran, Mongolia, Belgium, Iran, Ukraine, Nigeria, Venezuela, Afghanistan, Switzerland, Kazakhstan, Jordan, Trinidad & Tobago, Poland, Morocco, Mexico, Belarus, France, Peru, Philippines, New Zealand, Saudi Arabia, Tunisia, Yemen, Czech Republic, Finland, Libya, Slovakia, Singapore, Hungary, Kenya, Japan, Chile, Costa Rica, Norway, Qatar, Ghana, Austria, Bhutan, Indonesia, Bangladesh, Mexico, Bulgaria, Canada, Thailand, Kuwait, Poland, Angola, Turkey, Chile, Lebanon, Brazil, Portugal, Argentina, Ecuador, Romania