ASTM A182 Stainless Steel 304H Flange

ASME / ANSI B16.5 SS 304H Flanges Manufacturer, UNS S30409 Weld Neck Flange, ASTM A182 F304H Slip-on Flange, WNR 1.4301 Lap Joint Flange, Grade 304H Blind Flange

SS 304H flange is a type of flange made from stainless steel grade 304H. This flange is commonly used in high-temperature applications because of its excellent high-temperature strength and resistance to oxidation.

SS 304H is a modification of the basic 18-8 austenitic stainless steel grade 304, with a higher carbon content (0.04%-0.10%) to improve its high-temperature strength. This modification also increases its susceptibility to sensitization and intergranular corrosion at elevated temperatures.

SS 304H flanges are available in a variety of types, including weld neck, slip-on, socket weld, blind, lap joint, and threaded. They are typically manufactured to ANSI B16.5 or ASME B16.47 standards.

Applications of SS 304H flanges include chemical processing, oil and gas, power generation, and other high-temperature applications. They are commonly used in equipment such as boilers, heat exchangers, pressure vessels, and piping systems.

ASME SA182 Stainless Steel 304H Flanges

ASTM A182 Stainless Steel 304H RTJ Flange, PN10 PN16 Stainless Steel F304H Threaded Flange, Table D & Table E SS 304H Spectacle Blind Flange, ANSI 150 SS 304H Socket Weld Flange at the Lowest Prices

Q: What is the difference between 304L and 304H?
A: The main difference between 304L and 304H stainless steel lies in their carbon content and intended use. 304L stainless steel contains lower carbon content compared to 304H, making it more resistant to sensitization (a type of corrosion that can occur during welding or high-temperature exposure). 304L is commonly used in environments where sensitization is a concern, such as in welded components or equipment for corrosive environments. On the other hand, 304H stainless steel has a higher carbon content, which provides improved high-temperature strength and creep resistance. It is suitable for applications that involve elevated temperatures and require enhanced mechanical properties.

Q: What is the yield strength of 304H?
A: The yield strength of 304H stainless steel can vary depending on factors such as heat treatment, manufacturing processes, and the specific grade and condition of the material. Generally, the typical yield strength of 304H stainless steel ranges from around 30,000 to 45,000 psi (200 to 310 MPa). However, it’s important to note that actual values may differ and it is recommended to consult specific technical data or material specifications for accurate yield strength information.

Q: What is the price of 304H stainless steel?
A: The price of 304H stainless steel can vary significantly based on factors such as market conditions, supplier, quantity ordered, and additional specifications or requirements. Stainless steel prices are influenced by factors like raw material costs, production processes, and global supply and demand dynamics. It is best to check with stainless steel suppliers or distributors to get the most up-to-date and accurate pricing information.

Q: What is 304H stainless steel?
A: 304H stainless steel is a high-carbon variant of the popular 304 stainless steel alloy. It is an austenitic stainless steel, which means it exhibits excellent corrosion resistance and superior mechanical properties even at elevated temperatures. The higher carbon content in 304H enhances its high-temperature strength and creep resistance, making it suitable for applications in industries such as petrochemical, power generation, heat exchangers, and furnace components. This grade is typically used in environments where the operating temperatures reach above 800°F (427°C) and require excellent corrosion resistance along with improved mechanical properties.

Stainless Steel 304H Flange Specifications

Size Range

1/2″ (15 NB) to 48″ (1200NB)

Class / Pressure Rating

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards / Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO 70051, JIS B2220, BS1560-3.1, API7S-15, API7S-43, API605

Connection Type

Ring Joint Flange (RTJ), Flat Face Flange (FF), Raised Face Flange (RF), Male and Female Flange (M & F), Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

Material Standards

ASTM A182 / ASME SA182

ASTM A182 Stainless Steel 304H Flanges Equivalent Grade

STANDARD DIN UNS
SS 304H 1.4301 S30409

ASTM A182 SS Grade F304H Flanges Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304H 0.10 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 8 – 10.5

SS UNS S30409 Flanges Mechanical Properties

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
SS 304H8.0 g/cm31400 °C (2550 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Find the largest ready stock of WERKSTOFF NR. 1.4301 Flange, SS 304H Flanges,  Class 300#, 600#, 900#, 1500#, 2500# Stainless Steel 304H Flanges, ASTM A182 F304H Stub End Flanges, Steel 304H Tongue & Groove Flanges, 304H SS RTJ Flanges, SS 1.4301 BLRF Flanges, ANSI 150, Table D & Table E Stainless Steel 304H Flange, Series A & B SS 304H Grooved Flange, ASTM A182 F304H Lap Joint Flange, SS 304H Orifice Flange, PN10 PN16 Stainless Steel 304H Slip On Flange, Stainless Steel 304H Threaded Flange in Mumbai, India.

ASME B16.5 Stainless Steel 304H Flanges Dimensions

NPS O.D. of Flange Flanges Thickness Diameter of RF Diameter of Hub at Base Length Through Hub Bore or Diameter Dia. of Hub at Bevel Radius of Fillet Deptd of Socket
Welding (WN) Neck Slip-On (SORF) Threaded (NPT) Socket (SWRF) Lap Joint (Loose) Slip-on (SORF) Socket (SWRF) Lap Joint (Loose)
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

Class 150 SS Grade F304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 150
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
MM
FLANGE
THICKNESS
SOW
SW
WNBLIND
1/21588.911.20.40.50.4
3/42098.612.70.60.70.6
12510814.20.810.9
1 1/432117.315.711.31.2
1 1/24012717.51.31.71.5
250152.419.12.12.62.4
2 1/265177.822.43.34.13.9
380190.523.93.94.94.9
3 1/290215.923.94.86.16.2
4100228.623.95.36.87.0
512525423.96.18.68.6
6150279.425.47.510.611.3
8200342.928.412.117.619.6
10250406.430.216.52428.6
12300482.631.826.236.543.2
14350533.435.134.648.458.1
16400596.936.644.860.676.1
1845063539.648.968.393.7
20500698.542.961.984.5122.0
24600812.847.886.9115185.0

Class 300 Stainless Steel 304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 300
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WNBLIND
1/21595.314.20.60.80.6
3/420117.315.71.11.31.1
12512417.51.41.51.4
1 1/432133.419.11.72.01.8
1 1/240155.520.62.52.92.7
250165.122.42.93.43.2
2 1/265190.525.44.35.24.9
380215.928.45.96.96.8
3 1/290228.630.27.38.78.7
410025431.89.611.211.5
5125279.435.112.315.115.6
6150317.536.615.619.120.9
820038141.124.229.934.3
10250444.547.634.142.753.3
12300520.750.849.861.878.8
14350584.253.869.985.8105.0
16400647.757.288.1106.0137.0
18450711.260.5109.0131.0175.0
20500774.763.5134.0158.0221.0
24600914.470.0201.0230.0339.0

Class 600 Stainless Steel 304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 600
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WNBLIND
1/21595.314.20.70.90.8
3/420117.315.71.31.51.3
125124.017.51.51.81.6
1 1/432133.420.622.52.2
1 1/240155.422.433.53.3
250165.125.43.64.44.2
2 1/265190.528.45.36.46.1
380209.631.878.58.4
3 1/290228.635.18.810.711
4100273.138.114.517.417.3
5125330.244.524.429.229.4
6150355.647.828.734.936.1
8200419.155.643.453.958.9
1025050863.570.386.597.5
12300558.866.584.2103.0124
14350603.369.998.7122.0151
16400685.876.2142.0170.0214
1845074382.6173.0204.0272
20500812.888.9220.0254.0349.0
24600939.8101.6312.0358.0533.0

Class 900 Stainless Steel 304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 900
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WNBLIND
1/215120.722.41.81.91.8
3/42013025.42.42.62.4
125149.428.43.63.73.6
1 1/432158.828.444.34.1
1 1/240177.831.85.55.95.8
250215.938.110.210.810
2 1/265244.341.113.91514
380241.338.111.613.713.1
4100292.144.519.722.526.9
5125349.350.831.937.436.5
615038155.641.147.747.4
8200469.963.570.781.382.5
10250546.169.9101.0119122.0
12300609.679.2133.0157.0173.0
14350641.485.6153.0180.0206.0
16400704.988.9185.0217.0259.0
18450787.4101.6258.0292.0367.0
20500857.3108.0317.0362.0463.0
246001041.4139.7606.0665.0876.0

Class 1500 Stainless Steel 304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 1500
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WNBLIND
1/215120.722.41.81.91.8
3/42013025.42.42.62.4
125149.428.43.63.73.6
1 1/432158.828.444.34.1
1 1/240177.831.85.55.95.8
250215.938.110.210.810.1
2 1/265244.341.113.91514
380266.747.8 19.919.1
4100311.253.8 29.929.9
5125374.773.2 55.458.4
6150393.782.6 68.471.8
8200482.691.9 117122
10250584.2108 194.0210.0
12300673.1124 288.0316.0
14350749.3133.4 380.0420
16400825.5146.1 485.0558.0
18450914.4162.1 644.0760.0
20500984.3177.8 775.0965.0
246001168.4203.2 1232.01558.0

Class 2500 Stainless Steel 304H Flanges Weight Chart

ASTM A182 Stainless Steel 304H Pipe Flanges Class 2500
NOMINAL SIZEDIMENSIONSWEIGHT (KG)
NPS
(Inches)
DN (mm)FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
WNBLIND
1/215133.430.23.13.0
3/420139.731.83.73.5
125158.835.15.25.0
1 1/432184.238.17.77.4
1 1/240203.244.510.910.4
25023550.816.215.6
2 1/265266.757.223.722.6
380304.866.536.234.8
4100355.676.255.353.9
5125419.191.992.590.8
6150482.6108143.0141
8200552.5127215.0214
10250673.1165.1406.0411.0
12300762184.2572.0592.0

Stainless Steel 304H Flanges Schedule / Class

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

Stainless Steel 304H Flanges Standard

American Steel Flanges Standard
Standard Code Standard Name
ANSI ASME SA-182 Forged Flanges
ANSI ASME B16.5 Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange
ASME – B 16.47 Welding neck flange, Blind flange
ASME – B 16.36 Welding neck flange Slip on flange
German Steel Flanges Standard
DIN 2527 Steel Blind Flanges, BLRF
DIN 2573 / 2576 Flat Flange for Welding (Slip On)
DIN 2673 Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)
DIN 2641 / 2642 Lapped / Loose (Lap Joint) Flanges Plain Collars
DIN 28115 Long Neck Welding Flanges
DIN PN10, PN16 SS 304H PN10 Flanges, 304H SS DIN PN 10 Flanges, 304H SS PN16 Flange
DIN PN20, PN25 SS 304 PN20 Flanges, 304H SS DIN PN 25 Flanges
DIN PN40, PN50 SS 304H PN40 Flanges, 304H SS DIN PN 50 Flanges
Japanese Steel Flanges Standard
JIS B2220 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS B2291 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS 5K, 10K SS 304H 5K SORF Flanges, 304H SS 10K SOFF Flanges
JIS 16K, 20K SS 304H 16K Blind Flanges, 304H SS 20K BLRF Flanges
JIS 30K, 40K SS 304H 30K Slip on Flanges, 304H SS 40K Blind Flanges
Italian Flanges Standard
UNI FLANGES Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)
British Standard Pipe Flanges Standard
BS 10 Table D SS 304H BS 10 Table D Flanges
BS 10 Table E SS 304H BS 10 Table E Flanges
BS 10 Table F SS 304H BS 10 Table E Flanges
BS 10 Table H SS 304H BS 10 Table E Flanges

Best quality Stainless Steel 304H WNRF Flange Stainless 304H SORF Flanges, SS 304H Flange Flat Face, Series A & B SS 304H Grooved Flange,  ANSI 150, Stainless Steel 304H Blind Flanges, PN10 PN16 Stainless Steel 3004H 5K SOFF Flanges,  DIN 1.4301 Welding Neck Flange,   304H RTJ Flanges, Stainless Steel 304H Threaded Flange, Table D & Table E Stainless Steel 304H Flange, Stainless Steel 304H Orifice Flange, SS 1.4301 BLRF Flanges, Werkstoff NR. 1.4301 Orifice Flange

Stainless Steel 304H Flanges Applications

Australia, Afghanistan, Algeria, Angola, Argentina, Armenia, Azerbaijan, Bahrain, Bangladesh, Benin,
Bhutan, Botswana, Brazil, Brunei, Burkina Faso, Cambodia, Cameroon, Canada, Central Africa Republic,
Chad, Chile, Colombia, Cuba, Cyprus, DRC, Djibouti, Egypt, Equatorial Guinea, Eritrea, Eswatini,
Ethiopia, Fiji, Finland, France, Georgia, Germany, Ghana, Greece, Hungary, Iceland, Indonesia, Iran,
Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Laos, Lebanon,
Lesotho, Liberia, Libya, Lithuania, Madagascar, Malawi, Malaysia, Maldives, Mali, Mexico, Morocco,
Mozambique, Mauritania, Myanmar, Namibia, Nepal, Netherlands, New Zealand, Nigeria, Norway, Oman,
Panama, Peru, Philippines, Poland, Portugal, Palestine, Qatar, Russia, Rwanda, Romania, Saudi Arabia,
Senegal, Sierra Leone, Singapore, Slovakia, Somalia, South Africa, South Korea, South Sudan, Spain,
Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Tasmania, Thailand, The Gambia,
Timor-Leste, Togo, Tunisia, Turkey, Turkiye, Turkmenistan, Uganda, Uzbekistan, United Arab Emirates (UAE),
United Kingdom (UK), United States (US), Venezuela, Vietnam, Yemen, Zambia, Zimbabwe

Abu Dhabi, Amsterdam, Abuja, Accra, Addis Ababa, Ahmedabad, Algiers, Amman, Ankara, Antananarivo,
Ashgabat, Asmara, Astana, Athens, Baghdad, Baku, Bamako, Bandar Seri Begawan, Bangkok, Bangui,
Banjul, Beirut, Bengaluru, Berlin, Bishkek, Bloemfontein, Bogotá, Bern, Brasília, Bratislava,
Bucharest, Budapest, Buenos Aires, Cairo, Canberra, Cape Town, Caracas, Chennai, Coimbatore, Dakar,
Damascus, Dhaka, Dili, Djibouti city, Dodoma, Doha, Dublin, Dushanbe, Freetown, Gaborone, Ghaziabad,
Guwahati, Hanoi, Harare, Havana, Helsinki, Hobart, Hyderabad, Indore, Jaipur, Jakarta, Jerusalem,
Juba, Jurong East, Kabul, Kampala, Kanpur, Kathmandu, Kigali, Kinshasa, Kochi, Kolkata, Kuala Lumpur,
Kuwait City, Lisbon, Lilongwe, Lima, Lobamba, Lomé, London, Luanda, Lucknow, Lusaka, Malabo, Madrid,
Malé, Mexico City, Manama, Moscow, Manila, Maputo, Maseru, Mbabane, Mogadishu, Monrovia, Mumabi,
Muscat, Nagpur, Nairobi, New Delhi, Niamey, Nicosia, Noida, Nouakchott, N’Djamena, Oslo, Ottawa,
Ouagadougou, Panama City, Paris, Patna, Phnom Penh, Porto-Novo, Pretoria, Pune, Rabat, Reykjavík,
Riyadh, Rome, Sana’a, Santiago, Sri Jayawardenepura Kotte, Stockholm, Seoul, Singapore, Surat,
Suva, Taipei City, Tashkent, Tokyo, Tbilisi, Tehran, Thimphu, Tripoli, Tunis, Vientiane, Vilnius,
Visakhapatnam, Warsaw, Washington D.C., Wellington, Windhoek, Yaoundé, Yerevan, Naypyidaw

Stainless Steel 304H Flanges Price

Omaa Metal Sources is ASME B16.5 ASTM A182 Stainless Steel 304H Flanges Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.

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