ASTM A182 Alloy Steel F91 Weld Neck Flanges

Nitron Alloys Overseas is known for manufacturing and supplying excellent quality AS ASTM A182 F91 Weld Neck Flange in wide variety based on their sizes, shapes, and dimensions. The standards are strictly followed at our company with dedication towards meeting customer’s requirements. We are capable of handling large scale production of these Flanges with ease. The superior quality raw material that we use to manufacture these Flanges helps us to maintain the quality standards. We source this material from reputed vendors after the inspection for some desired qualities.

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ASTM A182 F91 is a carbon alloyed steel with excellent physical and thermal characteristics, making it suitable for manufacturing Flanges. The Flanges made of this grade have high tensile strength and toughness. They are resistant to general corrosion and also oppose crevice corrosion and stress corrosion cracking. The ability to withstand high as well as cryogenic temperature find numerous applications for our AS ASTM A182 F91 Weld Neck Flange in different fields. We focus on making them durable, dimensionally accurate, and rigid.

Nitron Alloys Overseas manufacture AS ASTM A182 F91 Weld Neck Flange in standard as well as in custom made form depending on the requirement of the customer. Our workforce is highly skilled and experienced in developing any critical design in a short time. the upgraded machinery and instruments make the process of production time efficient. The automation of the entire setup ensures Flanges without any defect due to human error. We make them in different tolerances and machining allowance in threaded, forged, and welded forms.

Nitron Alloys Overseas give assurance of the quality of these Flanges by checking them under most stringent quality norms as per the quality assurance plan. Each Flange goes through several quality tests under this plan. We do not mind third party inspection of our product on request by customers. We can guarantee the exceptional service life of our Flanges with high functionality. Our determination and client’s support has made us the fastest growing manufacturer of Piping components. Our products are available in the market at a sensible cost with outstanding services. Nitron Alloys Overseas justify the honour of disciplined organization by delivering orders on time.

Specification of Alloy Steel F91 Weld Neck Flanges

Spec bag
Spec Flange
Specifications: ASTM A182 / ASME SA182
Dimensions: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size: 1/4" - 48"
Class/Pressure: 150#, 300#, 718#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type: flat face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Types of Alloy Steel F91 Weld Neck Flanges

Alloy Steel F91 WNRF Flanges

AS ASTM A182 F91 WNRF Flanges

  • - ASTM A182 Alloy Steel F91 WNRF Flanges
  • - K90901 WNRF Flanges
  • - 1.4903 WNRF Flanges
  • - F91 Alloy Steel WNRF Flanges
  • - ASME SA182 Alloy Steel F91 WNRF Flanges
  • - Chrome Moly F91 WNRF Flanges Supplier
  • - Alloy Steel F91 WNRF Flanges Manufacturer
Alloy Steel F91 WNRTJ Flanges

AS ASTM A182 F91 WNRTJ Flanges

  • - ASTM A182 Alloy Steel F91 WNRTJ Flanges
  • - K90901 WNRTJ Flanges
  • - 1.4903 WNRTJ Flanges
  • - F91 Alloy Steel WNRF Flanges
  • - ASME SA182 Alloy Steel F91 WNRTJ Flanges
  • - Chrome Moly F91 WNRTJ Flanges Supplier
  • - Alloy Steel F91 WNRTJ Flanges Manufacturer

Equivalent Grades for Alloy Steel F91 Weld Neck Flanges

STANDARD UNS WERKSTOFF NR.
Alloy Steel F91 K90901 1.4903

Alloy Steel F91 Weld Neck Flanges Chemical Composition

Grade C Mn Si P S 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

Mechanical Properties of Alloy Steel F91 WNRF Flanges

Grade

Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
F91 585 415 20 - 248 max

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile