ASTM A240 F904L / UNS N08904 AWWA C207 Ring Type Flange for Waterworks Service

Brand Name:YUHONG
Certification:API , ABS, DNV, GL , LR, NK
Model Number:ASTM A240 F904L AWWA C207 Stainless Steel Flange
Minimum Order Quantity:1 PC
Delivery Time:7 DAYS
Payment Terms:L/C, T/T
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Location: Ningbo Zhejiang China
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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ASTM A240 F904L AWWA C207 Steel Flanges SOFF Stainless Steel Forged Flanges


Grade 904L SS Flanges stands up tremendously well to chlorides in the atmosphere for crevice corrosion andlow pitting, in addition to stress corrosion cracking. These Grade 904L Stainless Steel Flanges merges copper andmolybdenum content in the company of iron content for extremelyaugmented resistance to reducing acids such as sulphuric acid. Made up from top quality of raw materials, these products comply with all industrial quality standards.With several sizes, lengths and dimensional specifications, these UNS N08904 Flangesare also customized as per customer requirements at market leading prices.


AWWA C207 Class D Slip On Flange is commonly used in waterworks, slurry, waste water, plant piping or other light duty applications. Generally, the required pressure for the Awwa C207 Class B Blind Flange is less than 300 psi. Pressure ratings for AWWA C207 Flange Material can range from the Class B flange, which stands rated at 86 psi to Class F flanges, both rated at 300 psi.


AWWA C207 Flanges Specification and Standards

SpecificationsAWWA C207 Flanges
AWWA Flange StandardsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges.
ASME B16.5 AWWA Flange size range1/2" (15 NB) to 48" (1200NB) DN10~DN5000
AWWA Flange Standard AWWA5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Main TypesForged / Threaded / Screwed / Plate
Most common types of AWWA Flanges
  • Socket Weld Ring Flange (SWRF), AWWA
  • Threaded Ring Flange, AWWA
  • Blind Ring Flange (BLRF), AWWA
  • Weld Neck Ring Flange (WNRF), AWWA
  • Slip-On Ring Flange (SORF), AWWA
  • Ring Type Joint Flange (RTJF), AWWA
  • Lap Joint Ring Flange (LJRF), AWWA
Connect Type/ Flange Face TypeRaised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove
AWWA Flanges Standard

ANSI DIN, GOST, AWWA, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, AWWA/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • AS 2129: Table D; Table E; Table H
  • B.S: BS4504 , BS3293, BS1560, BS10
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • American standard (ANSI)
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • British standard (BS)
  • German (DIN)
  • Any other specilised flanges
  • The other standard: AWWA C207; EN1092-1, GOST12820, AWWA C207; KS B1503, SABS1123; NFE29203;UNI2276
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
Key markets and industries for AWWA Flangeo
  • Nuclear power (mostly seamless).
  • Heavy oil refineries.
  • Bitumen upgraders.
  • Petrochemicals and acids.
AWWA C207 Flanges Application
  • To Connect Pipe & Tubes in Power, Petroleum,Construction, Chemical, Gas, Shipbuilding,Metallurgy, etc

Stainless Steel Types and Raw Materials

30418-8 Chromium Nickel Austenitic Stainless Steel
316LLow carbon, Chromium Nickel Molybdenum Austenitic Stainless Steel
321Titanium Stabalized 18-8 Chromium Nickel Austenitic Stainless Steel
41012% Straight Chromium Marensitic Stainless steel
904LHigh Nickel Molybdenum Super Austenitic Stainless Steel
UNS S31803Ferritic/Austenitic Duplex Stainless Steel
UNS S32750Ferritic/Austenitic Super Duplex Stainless Steel
UNS S31254High Moly Austenitic Stainless Steel

Chemical Composition

GradeMnSiPSCrMONiCU
904LMin-----194231
max0.2210.0450.035235282

Mechanical Composition

GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardnessBrinell (HB)
904L4902203570-90 typical-

Product Features

  • High corrosion resistance in tough environments
  • Accurate dimensions
  • Can sustain high pressure & temperature load
  • Lower intergranular precipitation
  • Smooth transition from flange thickness to pipe
  • Ensure excellent stress distribution
  • Excellent high temperature oxidation resistance

Product Usage & Application

  • Useful in Paper & Pulp Companies
  • Useful in High Pressure Applications
  • Useful in Oil and Gas Industry
  • Useful in Chemical Refinery
  • Useful in Pipeline
  • Useful in High Temperature Application
  • Useful in Water Pipe Line
  • Useful in Nuclear Power Plants
  • Useful in Food Processing and Dairy Industries
  • Useful in Boiler & Heat Exchangers

China ASTM A240 F904L / UNS N08904 AWWA C207 Ring Type Flange for Waterworks Service supplier

ASTM A240 F904L / UNS N08904 AWWA C207 Ring Type Flange for Waterworks Service

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