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ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A182 F51
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
1PC
Price :
Negotiable
Payment Terms :
T/T,L/C
Supply Ability :
Depends On Quantity
Delivery Time :
7 Days
Packaging Details :
Wooden Cases
Standard :
ASTM A182, ASME B16.5
Grade :
F51 (UNS S31803)
Type :
Blind Flange (BL)
Face Type :
Raised Face (RF)
Pressure Class :
Class 150, 300, 600, 900
Size Range :
1/2” – 24”
Description
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
Brief Introduction

ASTM A182 F51 BL RF Flange is a duplex stainless steel blind flange manufactured in accordance with ASTM A182 and ASME B16.5 standards. F51 duplex stainless steel combines high strength with excellent resistance to pitting, crevice corrosion and stress corrosion cracking. As a Blind (BL) flange with Raised Face (RF), it is used to terminate, seal or isolate pipeline ends, widely applied in aggressive environments including offshore, oil & gas, chemical and seawater systems.

Chemical Composition (wt%, typical)
Grade C Mn Si P S Cr Ni Mo N Fe
F51 ≤0.03 ≤2.00 ≤1.00 ≤0.035 ≤0.020 21.0–23.0 4.5–6.5 2.5–3.5 0.08–0.20 Balance
Typical Mechanical Properties
Property Value
Tensile Strength ≥620 MPa
Yield Strength ≥450 MPa
Elongation ≥25%
Hardness ≤290 HB
Working Temperature -50°C ~ 315°C
Available Tests
  • Chemical Composition Analysis (PMI, Spectrometer)
  • Tensile, Bend & Impact Test
  • Hardness Test (HB)
  • Ferrite Number Test
  • Dimensional Inspection
  • Visual & Surface Inspection
  • Hydrostatic / Pneumatic Pressure Test
  • Non-Destructive Testing (PT, UT)
  • Pitting Corrosion Test (optional)
  • Material Test Certificate (MTC 3.1/3.2)
Product Application Scope
  • Offshore platforms and marine engineering
  • Oil & gas production and transmission
  • Seawater treatment and desalination plants
  • Chemical and petrochemical processing
  • Pulp and paper industry
  • Desulfurization systems
  • High chloride and corrosive environmentsASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
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ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A182 F51
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
1PC
Price :
Negotiable
Contact Supplier
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange
ASTM A182 F51 BL RF Flange, Duplex Stainless Steel Blind Raised Face Flange

Yuhong Group Co.,Ltd

Verified Supplier
14 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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