Duplex Steel A182 F904L/N08904 Flange

ASME B16.5 1/2"-24" WN SO Blind Duplex stainless steel 1.4539 904L

1. Duplex stainless steel flange dimension

ASME/ ANSI, EN, DIN, AFNOR, AWWA, GOST, BS, JIS, AS, MSS, SA, UNI SS 904L duplex stainless steel Flanges

S 904L Flanges Manufacturing Standards	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Specifications:	ASTM B649 / ASME SB649, ASTM A182 / ASME SA182
Standard:	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size Range	1/2″ (15 NB) to 48″ (1200NB), ASME B16.47 Flanges size range: 26″ to 60″
Class / Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Value Added Service	Polish (Electro & Commercial) Heat Treatment Annealed & Pickled Sand Blasting Machining Etc.
AWWA Flanges ratings	only at atmospheric temperature
ANSI Flanges ratings	installations from -20°F to 1500°F
ANSI Class Flanges	150 to 2500 Size: 1/2"-24"
AWWA Class Flanges	classes B, D, E, F Size: 3"-144"
AWWA Flanges	AWWA Standard for Steel Pipe Flanges for Waterworks Service-Sizes 4 In. Through 144 In.
ANSI B16.5 Flanges	Pipe Flanges and Flanged Fittings
ANSI B16.5 Flanges pressure classes	150, 300, 400, 600, 900, 1500 and 2500 for ASME B16.5
ANSI B16.47 Flanges pressure classes	75, 150, 300, 400, 600, 900 for ASME B16.47
Specialized in	904L STAINLESS STEEL SORF, SOFF, BLRF, BLFF, WNRF, WNFF, SWRF, SWFF, Threaded RF, Threaded FF & LJ
Sealing surface:	FF ,RF, LJ, FM , R.T.J , R.J and so on
Types	Slip-on Flanges (SORF), Weld neck Flanges (WNRF), Blind Flanges (BLRF), Lap Joint Flanges (SOLJ), Socket-weld Flanges (SWRF), Screwed (Threaded) Flanges, Long weld neck Flanges (LWNRF), Spectacle Blind Flanges Spacer & Blind Flanges, Ring Type Joint Flanges (RTJ), Reducing Flanges, Raised Face (RF) Flanges, Orifice Flanges, Large Diameter Flanges, Custom Flanges, Drawing Flanges, Forged Flanges, Plate Flanges, Flat Face Flanges, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, API, EN Flanges etc.
Application	Petroleum, Chemical, Power, Gas, Water, Linepipe, Heat Exchanger, Shipbuilding, Construction, Etc

 

2. Duplex stainless steel flange 904L equivalent grades

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	KS	AFNOR	EN
SS904L	1.4539	N08904	SUS904L	904S13	STS317J5L	Z2 NCDU 25-20	X1NiCrMoCu25-20-5

 

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Cu
SS904L	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

 

Density	Melting Point	Tensile Strength	Yield Strength(0.2% offset)	Elongation
7.95 g/c m³	1350℃(2460 ℉)	Psi-71000, Mpa-490	Psi-32000, Mpa-220	35%

 

 

3. All flange codes for duplex stainless steel flange 904L

• MSS SP-6: Flange facings
• MSS SP-9: Spot facing for bronze, iron and steel flanges
• MSS SP-25: Marking of flanges
• MSS SP-39: Bolts and nuts for flanges
• API6A: Wellhead equipment
• AWWA C207: Hub flanges

The following codes are not flange specifications, but they influences the manufacture of forged steel flanges:

• ASME: Boiler and Pressure Vessel Code
• ASME/ANSI B31.1: Power Piping
• ASME/ANSI B31.3: Petroleum and refinery piping
• ASME/ANSI B31.4: Liquid petroleum transportation piping systems
• ASME/ANSI B31.5: Refrigeration piping
• ASME/ANSI B31.8: Gas transmission and distribution piping systems
• ANSI/ASME B36.10M: Standard for wrought steel pipe
• ANSI/ASME B36.19M: Standard for stainless steel pipe
• ANSI/ASME B16.47: Large diameter pipe line flanges NPS 22 (DN 550) and NPS 26 (DN 650) through NPS 36 (DN900)

4. 904L duplex stainless steel WN detailed specification: