Katariya Steel
ASTM A182 F91 Flanges

ASTM A182 F91 Flanges Manufacturer & Supplier in India

Katariya Steel is an ASTM A182 F91 Flanges Manufacturer in India, supplying forged Alloy Steel F91 Flanges for power generation, process piping, petrochemical and other demanding industrial applications. We offer F91 flanges from 1/2" to 48" in different pressure classes, flange types and face configurations.

ASTM A182 F91 Flanges are available with Flat Face (FF), Raised Face (RF) and Ring Type Joint (RTJ) configurations. Supply can include material test certificates, dimensional inspection, chemical and mechanical testing, PMI and other inspection documentation as specified.

Request a Quote

ASTM A182 F91 Flanges Specifications

Material Standard ASTM A182 / ASME SA182
Grade F91
Material Alloy Steel / Chromium-Molybdenum Steel
UNS K90901
DIN / Werkstoff No. 1.4903
Trade Name 9Cr-1Mo-V
Size 1/2" (15 NB) to 48" (1200 NB)
Pressure Classes 150#, 300#, 600#, 900#, 1500#, 2500#
PN Ratings PN6, PN10, PN16, PN25, PN40, PN64 and others
Flange Face Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Manufacturing Forged
Flange Types Slip On, Blind, Reducing, Weld Neck, Socket Weld, Ring Type Joint
Dimensions ANSI/ASME B16.5, ASME B16.47 Series A & B, B16.48, BS 4504, BS 10, EN 1092, DIN and applicable standards
Standards ANSI, ASME, BS, DIN, EN and customer specifications
Testing Chemical, Mechanical, Dimensional, Visual, Hardness, PMI and applicable NDT
Documentation MTC, EN 10204 3.1 and inspection reports
Packing Wooden cases, export packing, plastic wrapping and steel-strapped bundles

ASTM A182 F91 Flanges Equivalent Grades

GRADE UNS DIN / WERKSTOFF NO. TRADE NAME
Alloy Steel F91 K90901 1.4903 9Cr-1Mo-V

ASTM A182 F91 and ASME SA182 F91 identify the forged Alloy Steel F91 grade. UNS K90901 and Werkstoff 1.4903 are corresponding material designations.

Alloy Steel ASTM A182 F91 Flanges Chemical Composition

GRADE C Mn Si S P Cr Mo
Alloy Steel F91 0.08–0.12 0.30–0.60 0.50 max 0.01 max 0.02 max 8.5–9.5 0.85–1.05

The chemical composition of ASTM A182 F91 Flanges is controlled according to the applicable material specification. Heat-wise chemical analysis can be provided through the material test certificate.

Alloy Steel ASTM A182 F91 Flanges Mechanical Properties

MECHANICAL PROPERTY MINIMUM
Tensile Strength 585 MPa
Yield Strength, 0.2% Offset 415 MPa
Elongation 20%

Mechanical testing can be performed according to the applicable ASTM A182 / ASME SA182 requirements and specified inspection plan.

ASTM A182 F91 Flanges Dimensions & Standards

ASTM A182 F91 Flanges are supplied according to applicable flange dimensional standards, pressure classes, face configurations and customer specifications.

ASME Dimension & Standard References

ASME STANDARD REFERENCE
ASME B1.20.1 Pipe Threads, General Purpose
ASME B16.1 Cast Iron Pipe Flanges Classes 25, 125 and 250
ASME B16.5 Flanges NPS 1/2 Through NPS 24
ASME B16.11 Forged Fittings, Socket Welding and Threaded
ASME B16.25 Buttwelding Ends
ASME B16.36 Orifice Flanges
ASME B16.47 Large Diameter Steel Flanges NPS 26 Through NPS 60
ASME B31.1 Power Piping
ASME B31.3 Process Piping
ASME B46.1 Surface Texture, Surface Roughness, Waviness and Lay

F91 Flange Dimensions

DIMENSION / PARAMETER AVAILABLE DETAILS
Size Range 1/2" (15 NB) to 48" (1200 NB)
NPS Range NPS 1/2 through NPS 60 depending on applicable standard
Pressure Classes 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
PN Ratings PN6, PN10, PN16, PN25, PN40, PN64 and others
Flange Faces FF, RF, RTJ
Dimensional Standards ASME, ANSI, BS, EN, DIN and applicable specifications
Manufacturing Forged
Flange Types Slip On, Blind, Reducing, Weld Neck, Socket Weld, Ring Type Joint
Surface Finish According to applicable flange and customer specification
Custom Dimensions Available according to drawings and project specifications

For large-diameter requirements, ASME B16.47 can be applied for NPS 26 through NPS 60 where specified.

Alloy Steel ASTM A182 F91 Flanges Pressure Ratings

The following pressure-temperature values are retained from the supplied reference chart. Final allowable pressure should be confirmed against the applicable standard, material condition, temperature and piping or equipment design requirements.

TEMPERATURE (°F) 150# 300# 400# 600# 900# 1500# 2500#
-20 to 100 275 720 960 1440 2160 3600 6000
200 230 600 800 1200 1800 3000 5000
300 205 540 720 1080 1620 2700 4500
400 190 495 660 995 1490 2485 4140
500 170 465 620 930 1395 2330 3880
600 140 435 580 875 1310 2185 3640
650 125 430 575 860 1290 2150 3580
700 110 425 565 850 1275 2125 3540
750 95 415 555 830 1245 2075 3460
800 80 405 540 805 1210 2015 3360
850 65 395 530 790 1190 1980 3300
900 50 390 520 780 1165 1945 3240
950 35 380 510 765 1145 1910 3180
1000 20 320 430 640 965 1605 2675
1050 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230

ASTM A182 F91 Flanges Features

ASTM A182 F91 Flanges are supplied in forged Alloy Steel construction with different flange types, pressure classes, face configurations and dimensional standards.

Key Features
  • ASTM A182 / ASME SA182 F91 material
  • UNS K90901
  • Werkstoff No. 1.4903
  • 9Cr-1Mo-V grade
  • Forged construction
  • 1/2" to 48" size range
  • 150# to 2500# pressure classes
  • PN6 to PN64 ratings and other requirements
  • Flat Face, Raised Face and RTJ configurations
  • Slip On, Blind, Reducing, Weld Neck, Socket Weld and RTJ types
  • ASME, ANSI, BS, DIN and EN dimensional standards
  • Custom dimensions and drawings
  • Chemical and mechanical testing
  • PMI and dimensional inspection where specified
  • MTC and EN 10204 3.1 documentation
  • Export-standard packing

ASTM A182 F91 Flanges Applications

ASTM A182 F91 Flanges are used in:

  • Power Generation Plants
  • Thermal Power Plants
  • Boiler Systems
  • Steam Piping Systems
  • Refineries
  • Petrochemical Plants
  • Chemical Processing Plants
  • Oil & Gas Projects
  • Process Piping Systems
  • Pressure Vessels
  • Heat Exchangers
  • Power Plant Piping
  • Engineering and EPC Projects

Quality Inspection & Testing of ASTM A182 F91 Flanges

Katariya Steel can provide inspection and testing according to the applicable specification, purchase order and project requirements.

  • Chemical Composition Testing
  • Tensile Strength Testing
  • Yield Strength Testing
  • Elongation Testing
  • Hardness Testing
  • Dimensional Inspection
  • Visual Inspection
  • PMI Testing
  • Non-Destructive Testing where specified
  • Surface Finish Inspection
  • Flange Face Inspection
  • Bore Inspection
  • Marking Verification
  • Heat Number Traceability
  • Material Test Certificate
  • EN 10204 3.1 Documentation
  • Third-Party Inspection where required

ASTM A182 F91 Flanges Manufacturer, Supplier & Stockist in India

Katariya Steel supplies ASTM A182 F91 Flanges to customers across India in standard and project-specific configurations. Products can be supplied in different sizes, pressure classes, flange types, face configurations and dimensional standards.

Alloy Steel F91 Flange Manufacturer & Supplier in India

As an Alloy Steel F91 Flange Manufacturer and Supplier in India, Katariya Steel supplies forged F91 flanges for piping and equipment applications. Products can be supplied with material certificates, inspection documentation, markings and packing according to the order specification.

Major Indian locations served include:

  • Mumbai
  • Thane
  • Pune
  • Ahmedabad
  • Surat
  • Vadodara
  • Rajkot
  • Nashik
  • Nagpur
  • Indore
  • Bhopal
  • Chennai
  • Hyderabad
  • Secunderabad
  • Bengaluru
  • Kolkata
  • Jamshedpur
  • Ranchi
  • New Delhi
  • Noida
  • Faridabad
  • Gurgaon
  • Jaipur
  • Ludhiana
  • Chandigarh
  • Kanpur
  • Navi Mumbai
  • Pimpri-Chinchwad
  • Visakhapatnam
  • Ernakulam
  • Thiruvananthapuram
Request a Quote for Alloy Steel F91 Flanges

Alloy Steel F91 Flange Stockist & Exporter in India

As an Alloy Steel F91 Flange Stockist and Exporter in India, Katariya Steel supplies F91 flange requirements for domestic and international orders in specified sizes, pressure classes and configurations.

Export markets include:

  • Japan Japan
  • Russia Russia
  • United States United States
  • Saudi Arabia Saudi Arabia
  • Kuwait Kuwait
  • Singapore Singapore
  • Malaysia Malaysia
  • Germany Germany
  • Italy Italy
  • China China
  • United Kingdom United Kingdom
  • Canada Canada
  • Iran Iran
  • Thailand Thailand
  • South Korea South Korea
  • Turkey Turkey
  • Egypt Egypt
  • Vietnam Vietnam
  • Oman Oman
  • Australia Australia
  • Qatar Qatar
  • Mexico Mexico
  • Brazil Brazil
  • France France
  • South Africa South Africa
  • Spain Spain
  • Netherlands Netherlands
  • Indonesia Indonesia
  • Nigeria Nigeria
  • Bangladesh Bangladesh

ASTM A182 F91 Flanges Exporter from India

Katariya Steel supplies ASTM A182 F91 Flanges for export orders with product identification, inspection documentation and packing according to customer and project requirements.

Export orders can include:

  • Export-grade packing
  • Wooden cases
  • Plastic wrapping
  • Steel-strapped bundles
  • Product identification
  • Heat number marking
  • Material Test Certificates
  • EN 10204 3.1 documentation
  • Inspection reports
  • Third-party inspection where specified

ASTM A182 F91 Flanges Price

The price of ASTM A182 F91 Flanges depends on the flange configuration and order specifications.

Key pricing factors include:

  • Flange type
  • NPS / nominal size
  • Pressure class
  • Flange face
  • Quantity
  • Dimensional standard
  • Machining requirements
  • Testing and inspection
  • Certification requirements
  • Marking requirements
  • Packing
  • Delivery location

For an accurate ASTM A182 F91 Flanges price, provide the required flange type, size, pressure class, face configuration and quantity.

Get a Quote for ASTM A182 F91 Flanges

Send your F91 Flange requirements to Katariya Steel for a product and commercial quotation.

Please provide:

  • Flange Type
  • NPS / Size
  • Pressure Class
  • Flange Face
  • Quantity
  • Applicable Standard
  • Required Inspection / Certification
  • Drawing or Special Dimensions, if applicable
  • Delivery Location
  • Required Delivery Schedule

Katariya Steel can supply ASTM A182 F91 Flanges according to applicable specifications, dimensional standards and project requirements.

Get a Quote for ASTM A182 F91 Flanges

We’re Good in All
Steel Works

Expert & Professional
Workers

Very Reasonable
Price

©2022 katariyasteel, All Rights Reserved
Design & Promoted By RATH INFOTECH