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ASTM A182 F904L / UNS N08904 Stainless Steel Slip On Flange B16.5 SORF Flange

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ASTM A182 F904L / UNS N08904 Stainless Steel Slip On Flange B16.5 SORF Flange

Brand Name : YUHONG

Model Number : ASTM A182 F904L Stainless Steel SORF Flange

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 1 PC

Payment Terms : L/C, T/T

Delivery Time : 7 DAYS

Packaging Details : wooden case packing or according to client requirements

Product Name : Stainless Steel Flanges

Dimension : ASTM, ASME, ANSI, DIN, and EN

Standard : ASTM A182 / ASME SA182

Material Grade : 904L, UNS N08904

Size : 1/2" to 48"

Pressure/Class : 150#, 300#, 400#, 600#, 900#, 1500#, 2500# or As Per Custom Requirement

Type : SORF, SOFF, WNRF, SWRF, RTJF, BLIND

Processes : Hot Forging / Rolling / Machining

Applications : Oil and Gas Industries, Pipeline, Shipbuilding Industries,Chemical Industries

High Light : ASTM A182 F904L Stainless Steel Flange, B16.5 Forged SORF Flange

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ASTM A182 F904L / UNS N08904 Slip On Stainless Steel Flanges B16.5 Forged SORF Flange

ASTM A182 F904L stainless steel Flange is a premium material designed for highly demanding applications where common stainless steels like 304 and 316 would fail. Its superior corrosion resistance (in the corrosive environments, including sulfuric acid, phosphoric acid, and chloride-containing solutions.), durability, and performance in extreme environments justify its higher cost. 904L has a polished, attractive finish, making it suitable for architectural and decorative applications. In contrast, 304 and 316 are more economical and suitable for general-purpose usage with less demanding conditions.

Flange Specifications

  • Dimensions: ASME B16.5 (up to 24" NPS) or B16.47 for larger sizes.

  • Pressure Ratings: Class 150 to 2500 (dependent on size and design).

  • Face Finish: Raised Face (RF) typically has a serrated finish (125-250 µin) for better gasket grip.

Equivalent Grades of ASTM A182 F904L Stainless Steel SORF Flange

STANDARD WERKSTOFF NR. UNS EN AFNOR JIS BS KS
SS 904L 1.4539 N08904 X1NiCrMoCu25-20-5 Z2 NCDU 25-20 SUS 904L 904S13 STS 317J5L

Chemical Composition of ASTM A182 F904L Stainless Steel SORF Flange

Grade C Mn Si P S Cr Mo Ni Cu
SS 904L 0.020 max 2.00 max 1.00 max 0.040 max 0.030 max 19.00 – 23.00 4.00 – 5.00 max 23.00 – 28.00 1.00 – 2.00

Mechanical Properties of ASTM A182 F904L Stainless Steel SORF Flange

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.95 g/cm3 1350 °C (2460 °F) Psi – 71000 , MPa – 490 Psi – 32000 , MPa – 220 35 %

Summary Table: 904L vs. Common Stainless Steels

Property 904L Stainless Steel 304 Stainless Steel 316 Stainless Steel
Nickel Content 23-28% 8-12% 10-14%
Molybdenum Content 4-5% 0% 2-3%
Copper Content 1-2% 0% 0%
Corrosion Resistance Exceptional Moderate Good
Cost High Low Moderate
Applications Highly corrosive environments General-purpose Marine, medical, chemical

Applications

  • Chemical processing equipment

  • Seawater desalination plants

  • Oil and gas industry components

  • Pharmaceutical manufacturing

  • Heat exchangers and condensers

  • Marine and offshore structures

ASTM A182 F904L / UNS N08904 Stainless Steel Slip On Flange B16.5 SORF Flange


Product Tags:

B16.5 SORF Flange

      

UNS N08904 Stainless Steel Slip On Flange

      

ASTM A182 F904L SORF Flange

      
Quality ASTM A182 F904L / UNS N08904 Stainless Steel Slip On Flange B16.5 SORF Flange for sale

ASTM A182 F904L / UNS N08904 Stainless Steel Slip On Flange B16.5 SORF Flange Images

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