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304 Stainless Steel Flanges Manufacturer and Supplier in Vietnam

unleashing our clients’ potential by maximising the innovation.

Stainless Steel 304 Flanges, manufactured in accordance with ASTM A182, A240 / ASME SA182, SA240 specifications and dimensions aligned with ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc standards, are offered by SPP Metals & Alloys, a reputable 304 Stainless Steel Flanges Manufacturer and Supplier in Vietnam, in a comprehensive range of sizes, types, and configurations. These 304 flanges are available in nominal diameters spanning from ½ inches to 48 inches, catering to various pressure classes. Diverse variants like the SS 304 Blind Flange are available to suit specific application needs. Pressure classes encompass a broad spectrum from 150 to 2500, and pressure ratings extend from PN6 to PN64.

The 304 Stainless Steel Flanges consist of an 18/8 chromium-nickel alloy austenitic stainless steel, renowned for its robustness with a minimum yield strength of 205MPa and a minimum tensile strength of 515MPa. The ASTM A182 Grade F304 Pipe Flange is ideally suited for pressure vessel-grade applications and finds applications in offshore oil drilling, petroleum, petrochemicals, oil and gas, and various other industries. Remarkably, SS 304 Flanges can endure high-temperature environments, with the capability to operate at temperatures of up to 870 degrees Celsius. ASME SA182 F304 Lap Joint Flange and other types are employed in heat exchangers, boilers, condensers, and pressure vessels, among other applications.

There is a diversity of designs, including SA 182 Gr F304 Socket Weld Flanges, equipped with welded sockets for secure pipe connections, commonly used with small diameter pipes. Other designs encompass welded neck flanges, ring-type joint flanges, raised faces, and flat face flanges.

Specifications of 304 Stainless Steel Flanges in Vietnam

Specifications ASTM A182, A240 / ASME SA182, SA240
Standards ANSI Flanges, ASME Flanges, DIN Flanges, EN Flanges, BS Flanges, JIS Flanges, AWWA Flanges etc.
Dimension ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc
Size Range 1/2″ (15 NB) to 48″ (1200NB)
Pressure / Class 150#, 300#, 600#, 900#, 1500# & 2500#.
Types  Stainless Steel 304 Threaded Flange

Stainless Steel 304 Weld Neck Flange

SS 304 Slip On Flange

SS 304 Socket Weld Flange

Stainless Steel 304 Blind Flange

Stainless Steel 304 Lap Joint Flange

SS 304 Plate Flange

SS 304 All Flange at a glance

Stainless Steel 304 Reducing Flange

SS 304 Orifice Flange

SS 304 Weldo / Nipo Flange

Stainless Steel 304 Long Weld Neck Flange

Stainless Steel 304 ASME Flange

SS 304 ASME 16.5 forged Flange

Stainless Steel 304 Flat Flange

SS 304 Loose Flange

SS 304 Square Flange

Stainless Steel 304 Expander Flange

Stainless Steel 304 Ring Type Joint Flange (RTJ)

SS 304 Groove & Tongue Flange

Stainless Steel 304 High Hub Blinds Flange

SS 304 Spectacle Blind Flange

Stainless Steel 304 Weld Neck Flange Series A or B

Stainless Steel 304 Spades Ring Spacers Flange

SS 304 Screwed Flange

SS 304 Lip type flange

SS 304 Flange Facing Type & Finish

Stainless Steel 304 Puddle Flange

Flange Face Type Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
304 Stainless Steel Flanges Schedule Sch 10s TO Sch XXS or As Per Custom Requirement
Coating/Surface Treatment Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated.
Forging Flange Techniques Machined / Forged/ Heat Treated
Test X-ray detector, Direct-reading Spectrograph, UI transonic flaw detector, Magnetic particle detector, Hydrostatic testing machine
Flange Marking All 304 Stainless Steel Flange are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request.

Types of Stainless Steel 304 Flanges We Offer in Vietnam

Stainless Steel 304 Slip-on Flanges in Vietnam

  • SS 304 Raised Face Slip-On Flanges 
  • 304 SS Slip On Plate Flanges
  • 304 Stainless Steel Slip On Flanges
  • SS UNS S30400 Slip On Flanges
  • SS WERKSTOFF NR. 1.4301 45 SORF Flanges
  • ASME SA182 304 Slip On Flanges

Stainless Steel 304 Weld Neck Flanges in Vietnam

  • SS 304 Raised Face Weld Neck Flanges
  • 304 SS Weld Neck Flanges
  • 304 Stainless Steel Weld Neck Flange
  • SS UNS S30400 Weld Neck Flanges
  • SS WERKSTOFF NR. 1.4301 Weld Neck Flange
  • ASTM A182 304 Stainless Steel WNRF Flange

Stainless Steel 304 Blind Flanges in Vietnam

  • SS 304 Raised Face Blind Flanges
  • 304 SS Blind Flanges
  • 304 Stainless Steel Blind Flange
  • SS UNS S30400 Blind Flanges
  • SS WERKSTOFF NR. 1.4301 Blind Flange
  • ASTM A182 304 Stainless Steel BLRF Flanges

Stainless Steel 304 Orifice Flanges in Vietnam

  • SS 304 Orifice Flanges
  • 304 SS Orifice Flanges
  • 304 Stainless Steel Orifice Flanges
  • SS UNS S30400 Orifice Flanges
  • SS WERKSTOFF NR. 1.4301 Orifice Flanges
  • A182 304 Stainless Steel Orifice Flanges

Stainless Steel 304 Socket weld Flanges in Vietnam

  • SS 304 Socket weld Flanges
  • 304 SS Socket weld Flanges
  • 304 Stainless Steel Socket weld Flanges
  • SS UNS S30400 Socket weld Flanges
  • SS WERKSTOFF NR. 1.4301 SWRF Flanges
  • ASME B16.5 304 Stainless Steel Socket weld Flanges

Stainless Steel 304 Threaded Flanges in Vietnam

  • SS 304 Threaded Flanges
  • 304 SS Threaded Flanges
  • 304 Stainless Steel Threaded Flanges
  • SS UNS S30400 Threaded Flanges
  • SS WERKSTOFF NR. 1.4301 Threaded Flanges
  • ASTM A182 Stainless Steel 304 Threaded Flanges

Stainless Steel 304 Long weld Neck Flanges in Vietnam

  • SS 304 Long weld Neck Flanges
  • 304 SS Long weld Neck Flanges
  • 304 Stainless Steel Long weld Neck Flanges
  • SS UNS S30400 Long weld Neck Flanges
  • SS WERKSTOFF NR. 1.4301 Long weld Neck Flanges
  • ASTM A182 304 Stainless Steel Long weld Neck Flanges

Stainless Steel 304 RTJ Flanges in Vietnam

  • SS 304 Ring Type Joint Flanges
  • 304 SS Ring Type Joint Flange
  • 304 Stainless Steel RTJ Flanges
  • SS UNS S30400 RTJ Flanges
  • SS WERKSTOFF NR. 1.4301 RTJ Flanges
  • BS4504 Stainless Steel 304 RTJ Flanges

Stainless Steel 304 Reducing Flanges in Vietnam

  • SS 304 Reducing Flanges
  • 304 SS Reducing Flanges
  • 304 Stainless Steel Reducing Flange
  • SS UNS S30400 Reducing Flanges
  • SS WERKSTOFF NR. 1.4301 Reducing Flange
  • ASTM A182 Stainless Steel 304 Reducing Flanges

Stainless Steel 304 Forged Flanges in Vietnam

  • SS 304 Forged Flanges
  • 304 SS Forged Flange
  • 304 Stainless Steel Forged Flange
  • SS UNS S30400 Forged Flanges
  • SS WERKSTOFF NR. 1.4301 Forged Flanges
  • ASTM A182 Stainless Steel 304 Forged Flanges

Stainless Steel 304 Spectacle Blind Flanges in Vietnam

  • SS 304 Spectacle Blind Flanges
  • 304 SS Spectacle Blind Flange
  • 304 Stainless Steel Forged Flange
  • SS UNS S30400 Spectacle Blind Flange
  • SS WERKSTOFF NR. 1.4301 Spectacle Blind Flanges
  • ASTM A182 Stainless Steel 304 Spectacle Blind Flanges

Stainless Steel 304 Spade Flanges in Vietnam

  • SS 304 Spade Flanges
  • 304 SS Forged Flange
  • 304 Stainless Steel Spade Flanges
  • SS UNS S30400 Spade Flanges
  • SS WERKSTOFF NR. 1.4301 Spade Flanges
  • ASTM A182 Stainless Steel 304 Spade Flanges

Stainless Steel DIN 1.4307 Pipe Flanges Equivalent in Vietnam

STANDRAD Werkstoff Nr. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10

Chemical Composition of Grade F304 Stainless Steel Pipe Flanges in Vietnam

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18-20 8-11

Mechanical Properties of ASTM A182 SS 304 Plate Flanges in Vietnam

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Stainless Steel 304 Slip-on Flanges Size Chart in Vietnam

Other Types of ASTM A182 F304 Stainless Steel Flanges We Supply in Vietnam

Stainless Steel 304 Flanges in Vietnam Stainless Steel 304 EN 1092-1 Flanges in Vietnam
Stainless Steel 304 BS 4504 Flanges in Vietnam Stainless Steel 304 Forged Flanges in Vietnam
Stainless Steel UNS S30400 Flanges in Vietnam Stainless Steel 304 Slip-on Flanges in Vietnam
SS 304 Flat Flange in Vietnam ANSI 304 Stainless Steel Blind Flange in Vietnam
SS 304 Weld Neck Flanges in Vietnam SS 304 Socket weld Flanges in Vietnam
SS 304 Long Weld Neck Flanges in Vietnam Steel 304 Threaded Flanges in Vietnam
Stainless Steel SUS 304 Reducing Flanges in Vietnam SS 304 Ring Type Joint Flanges in Vietnam
Stainless Steel DIN 1.4301 Orifice Flange in Vietnam Stainless Steel BS 304S31 Spectacle Blind Flanges in Vietnam
Stainless Steel 304 WNRF Flange in Vietnam Stainless 304 SORF Flanges in Vietnam
ANSI B16.5 SS 304 RTJ Flanges in Vietnam SS 304 Screwed Flanges in Vietnam
ASTM A182 SS 304 Lap Joint Flanges in Vietnam ASME SA182 SS 304 BLRF Flange in Vietnam
Stainless Steel 304 Raised Face Flanges in Vietnam 304 SS Nipoflange in Vietnam
A182 SS 304 Square Flanges in Vietnam ASME SA182M SS 304 SWRF Flange in Vietnam
Steel 304 Tongue & Groove Flanges in Vietnam SS 304 Male & Female Flanges in Vietnam
Stainless Steel 304 DIN Flanges in Vietnam SS 304 ASME B16.5 Flanges in Vietnam

ASTM A 182 SS F304 Stainless Steel Flanges Dimension in Vietnam

Standard Class  Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flange Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 900 121  83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flanges PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

Weight of Stainless Steel 304 Flanges in KG in Vietnam

Pipe Normal Diam. O.D. Flange Thk of Flange Min Diam. of Hub Diameter of Raised Face Length Hub. Y Thread Length Diam. of Bolt Circle Diam. of Bolt Hole  Number of Bolts Diam.of Bolts (inch) KG LB
inch dn O C X G Y T BC BH BN BD
½” 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″” 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

A182 GR 304 Stainless Steel Flanges Pressure Rating

ASA / ANSI /ASME B16.34               ANSI PRESSURE RATING CHART
°F Temperature 150 LBS 300 LBS 400 LBS 600 LBS 900 LBS 1500 LBS 2500 LBS
-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

Schedule Class of SS 304 Flanges in Vietnam

Flange Scehdule/Class Pipe Size – Pipe Flanges Flange Connection Type Flange Material Max Pressure
ASME B16.5 Class 150 1/2″ FNPT Stainless Steel 304/304L Flanges 150 psi
ASME B16.5 Class 150 1/2″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 1/2″ Welded Stainless Steel 304 / 304L Flanges 150 psi
ASME B16.5 Class 150 3/4″ FNPT Stainless Steel 304 / 304L Flanges 150 psi
ASME B16.5 Class 150 3/4″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 1-1/4″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 1-1/2″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 2″ FNPT Stainless Steel 304 / 304L Flanges 150 psi
ASME B16.5 Class 150 2″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 2-1/2″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 3″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 150 4″ FNPT Stainless Steel 304 / 304L Flanges 150 psi
ASME B16.5 Class 150 4″ Socket Weld Stainless Steel 304 / 304L Flanges 275 psi
ASME B16.5 Class 300 1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1-1/4″ FNPT Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1-1/4″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1-1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 1-1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 2-1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 2-1/2″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 3″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 3″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 4″ Slip On Stainless Steel 304 / 304L Flanges 720 psi
ASME B16.5 Class 300 4″ Slip-On Stainless Steel 304 / 304L Flanges 720 psi

SS 304 Flange Price List Vietnam

SPP Metals & Alloys, situated in India, stands as a premier 304 Stainless Steel Flanges manufacturer and supplier in Vietnam. Our unwavering commitment to quality is evident in our top-notch products, all offered at competitive prices to our esteemed customers. For the most up-to-date price listings to verify the availability of our current stock, or to discuss your specific requirements, please feel free to reach out to us at our website. We take great pride in our extensive inventory of standard items, and we are delighted to offer them for export at highly competitive rates, specifically for ASTM A182 F304 Stainless Steel Pipe Flanges, including Forged and Plate Flanges.

ASTM A182 F304 Stainless Steel Pipe Flanges

Forged and Plate Flanges in Vietnam

Products Size
ASTM A182 SS 304 Slip-On Flanges ASTM A182 SS 304 Threaded Flanges 1/2″ (15 NB) to 48″ (1200NB)
ASTM A182 SS 304 Weld Neck Flanges ASTM A182 SS 304 Socket Weld Flanges
ASTM A182 SS 304 Blind Flanges ASTM A182 SS 304 Reducing Flanges
ASTM A182 SS 304 Lap Joint Flanges ASTM A182 SS 304 Plate Flanges
ASTM A182 SS 304 Orifice Flanges ASTM A182 SS 304 Forged Flanges
ASTM A182 SS 304 Ring Type Joint Flanges ASTM A182 SS 304 Square Flanges

What are 304 Stainless Steel Flanges?

Stainless Steel 304 flanges, often referred to as “SS 304 flanges,” conform to common material standards and grades such as ASTM A182 Grade F304/L and F316/L. These flanges come with varying pressure ratings, with Class 150 to 2500 for F304/L and 300 to 600 for F316/L.

Belonging to the 300 series of stainless steels, 304 stainless steel is renowned for its exceptional corrosion resistance in diverse environments, including exposure to moisture, chemicals, and acids. This inherent corrosion resistance renders 304 stainless steel flanges suitable for an extensive array of applications, including water distribution, food processing, chemical processing, and more.

Characteristics of 304 Stainless Steel Flanges

304 Stainless Steel Flanges are commonly used in a wide range of industrial applications due to their excellent corrosion resistance, durability, and versatility. Here are some of the key characteristics of 304 Stainless Steel Flanges:

  • Corrosion Resistance: Highly resistant to rust and corrosion.
  • Durability: Long-lasting and can withstand wear and tear.
  • Temperature Resistant: Handles extreme temperatures well.
  • Easy to Fabricate: Can be easily shaped and worked on.
  • Versatile: Suitable for various industries and applications.
  • Low Maintenance: Requires minimal upkeep.
  • Hygienic: Does not affect the taste or quality of materials.
  • Aesthetic: Smooth, shiny appearance.
  • Non-magnetic: Typically non-magnetic in nature.
  • Availability: Comes in various types for different needs.
  • Compliance: Meets industry standards and specifications.
  • Cost-Effective: Offers good value over its lifespan.

ASTM A182 F304 Stainless Steel Flanges Applications

ASTM A182 F304 stainless steel flanges have a wide range of applications across various industries due to their excellent corrosion resistance, durability, and versatility. Some common applications of ASTM A182 F304 stainless steel flanges include:

  • Oil and gas industry
  • Chemical Industry
  • Petrochemicals
  • Power Industry
  • Water and Wastewater Treatment
  • Construction and Architecture
  • HVAC (Heating, Ventilation, and Air Conditioning) Systems
  • Mining and Mineral Processing
  • Energy Sector
  • Fertilizers Industry
  • Automotive Industry
  • Food Industry
  • Other Applications

When it comes to fulfilling your requirements for 304 Stainless Steel Flanges, you can rely on SPP Metals & Alloys. As a prominent ASTM A182 Grade F304 Flanges manufacturer, supplier, trader, dealer, and exporter all across Vietnam, we are committed to delivering high-quality products and exceptional service. Whether you need assistance with your project specifications, a price quote, or wish to explore our wide product range, we are here to assist you. Your success is our utmost priority, and we eagerly await the opportunity to serve you with excellence. Don’t hesitate to reach out to us today at director@sppalloys.com or sales@sppalloys.com

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