stainless steel 904l Flanges

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stainless steel 904l Flanges

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ASTM B366 Stainless Steel 904L Flanges Suppliers, SS 904L flanges, SS 904L SO flanges, SS 904L weld neck flanges, SS 904L blind flanges & SS 904L flat face flanges stockholders.

Looking for Stainless Steel 904L price in India? Get free quote from Dynamic Forge & Fittings-India’s leading Pipe Fittings manufacturer & buy Stainless Steel 904L industrial flanges at best price.

Kalpataru Piping Solutions proudly offers a diverse range of Stainless Steel 904L products, drawing on over 25 years of experience in the industry. We have earned the trust of numerous clients through our high-quality products and exceptional service.

SS 904L, a super-austenitic stainless steel, is known for its outstanding resistance to reducing acids, including sulfuric acid, as well as its resistance to chloride ion stress corrosion, oxidation, and high-temperature conditions. Our UNS N08904 Flanges are designed to meet the demands of industries such as petrochemical plants and oil refineries, where durability and corrosion resistance are crucial.

We provide a variety of SS 904L Flanges, including Slip-on Flanges, Long Weld Neck Flanges, Body Flanges, Blind Flanges, Threaded Flanges, and Ring Type-Joint Flanges, among others. Each type is engineered to deliver reliable performance in challenging environments.

ASTM A182 SS 904L Flanges Specification

ASTM A182 SS 904L Slip On Flanges Equivalent Grade
SS 904L Socket Weld Flanges Chemical Composition
Stainless Steel 904L Blind Flanges Applications Industry
Stainless Steel 904L Weld Neck Flanges Main Export Countries
Other Types Of SS 904L Lap Joint Flanges
Countries We Export

Equivalent Grades of SS 904L Flanges

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

Chemical Composition of Stainless Steel 904L Flanges

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

SS 904L Flanges Mechanical Properties

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 %

SS 904L Plate Flanges Size In Inch

Nominal Pipe Size Outside Diameter of Flange Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Stainless Steel F904L Weld Neck Flange Pressure Gauge

ANSI/ASME B16.34 PRESSURE RATING CHART
Temperature °F 150# 300# 400# 600# 900# 1500# 2500#
-20 to 100 275 720 960 1440 2160 3600 6000
200 230 600 800 1200 1800 3000 5000
300 205 540 720 1080 1620 2700 4500
400 190 495 660 995 1490 2485 4140
500 170 465 620 930 1395 2330 3880
600 140 435 580 875 1310 2185 3640
650 125 430 575 860 1290 2150 3580
700 110 425 565 850 1275 2125 3540
750 95 415 555 830 1245 2075 3460
800 80 405 540 805 1210 2015 3360
850 65 395 530 790 1190 1980 3300
900 50 390 520 780 1165 1945 3240
950 35 380 510 765 1145 1910 3180
1000 20 320 430 640 965 1605 2675
1050 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230

Types Of SS 904L Flanges

• Steel 904L Screwed Flanges • SS 904L Long Weld Neck Flanges • Stainless Steel 904L Reducing Flanges • ASME SS 904L Spectacle Blind Flanges • ASTM A182 Stainless Steel 904L Ring Joint Flanges • SS DIN 1.4301 904L Threaded Flanges • SS EN 904L WNRF Flanges • Stainless Steel 904L SORF Flanges • UNS S904L Weld Neck Flanges • SUS 904L Socket Weld Flanges • SS BS 904L Slip On Raise Face Flanges • ASTM A240 SS 904L Blind Raise Face Flanges • AISI SS 904L Lap Joint Flanges • Steel 904L Orifice Flanges • SS 904L SWRF Flanges • Stainless Steel 904L BLRF Flanges

Applications of Stainless Steel 304/304l/304h Flanges

Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
Heat Exchangers
Condensers
Pulp and Paper Industry
Oil and Gas
Chemical Industry
Automobile Industry

We Export To Stainless Steel Pipes & Tubes

New Zealand, Ukraine, Brazil, Azerbaijan, Angola, United Kingdom, Philippines, Oman, France, Algeria, Macau, Sri Lanka, Tibet, Norway, Mexico, Venezuela, Denmark, Russia, Bhutan, Estonia, Austria, Vietnam, Argentina, Turkey, Greece, Romania, Bahrain, Bangladesh, Afghanistan, Italy, Poland, Zimbabwe, Thailand, India, Kenya, Ecuador, Puerto Rico, Nepal, Malaysia, Bulgaria, Libya, Slovakia, Chile, Serbia, Australia, Poland, Iran, Costa Rica, Peru, South Korea, Iraq, Iran, Indonesia, Spain, Trinidad & Tobago,Tunisia, Qatar, Japan, Canada, Taiwan, Yemen, Mongolia, Czech Republic, Israel, Ghana, Egypt, Nigeria, Saudi Arabia, United Arab Emirates, Namibia, Hungary, South Africa, Hong Kong, Croatia, Colombia, Lebanon, Nigeria, Portugal, Finland, Pakistan, Jordan, Sweden, Belgium, Gambia, Lithuania, United States, Chile, Bolivia, Germany, Singapore, Ireland, Gabon, Kuwait, Switzerland, Mexico, Belarus, Kazakhstan, Morocco, China, Netherlands, Germany, Belgium, Italy, Turkey, Denmark and UK.

FAQ

What is 904L stainless steel equivalent to?

904L stainless steel offers corrosion resistance comparable to many super duplex stainless steels (SDSS), making it suitable for applications requiring superior resistance to corrosion, especially in aggressive environments like seawater or chemical processing.

What is 904L stainless steel used for?

904L stainless steel is used in various demanding applications, including chemical plants, oil refineries, petrochemical facilities, bleaching tanks, and combustion gas desulfurization plants. It is also employed in seawater environments and for handling sulfuric and phosphoric acids. Its low carbon content ensures resistance to intergranular corrosion, even in welded conditions.

Where is 904L steel used?

904L stainless steel is used in environments where high corrosion resistance is essential. Its low carbon content prevents sensitization and intergranular corrosion, making it ideal for applications such as piping systems, pollution control equipment, heat exchangers, and bleaching systems.

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