ASTM A182 Stainless Steel 310S Flanges Suppliers

Stainless Steel 310S Flanges are high-temperature resistant pipe flanges manufactured from ASTM A182 F310S stainless steel. These flanges offer excellent oxidation resistance up to 1100°C, superior corrosion resistance, and outstanding mechanical strength in elevated temperature applications. SS 310S flanges are widely used in heat treatment plants, petrochemical facilities, power generation, refineries, furnaces, and chemical processing industries. Available in weld neck, slip-on, blind, socket weld, threaded, lap joint, and orifice flange configurations, they comply with ANSI B16.5, ASME B16.47, and ASTM A182 specifications.

ASTM A182 Stainless Steel 310S Flanges Suppliers

We are one of the recognized ASTM A182 Stainless Steel 310S Flanges Suppliers and we offer high quality flange solutions for harsh industrial conditions. Stainless Steel 310S is the low carbon form of grade 310 stainless steel. It was intended to minimize carbide precipitation when welding while yet keeping excellent heat and corrosion resistance.

Our collection of flanges is created using selected raw materials and modern production procedures to assure dimensional integrity, mechanical strength and long life. These flanges are widely utilized in industries where high temperatures, thermal cycles and corrosive conditions are widespread.

We sell standard and custom produced flanges to international standards and project specific specifications for domestic and global markets.

What are SS 310S Flanges?

SS 310S Flanges are a type of pipe connection element which is used to attach pipes, valves, pumps and other equipment in piping systems. These flanges are manufactured from stainless steel grade 310S (UNS S31008). They have very good resistance to oxidation, sulfidation and thermal fatigue.

SS 310S is appropriate for use in high temperature applications and in corrosive industrial surroundings because to its high chromium-nickel composition. 310S has a low carbon content which gives it better weldability and less risk of intergranular corrosion following welding.

Key Benefits of SS 310S Flanges

  • Excellent oxidation resistance at high temperatures
  • Superior corrosion resistance
  • Outstanding thermal shock resistance
  • High tensile and yield strength
  • Good fabrication and weldability characteristics
  • Long service life in aggressive environments
  • Suitable for cyclic heating operations
Stainless Steel 310S Flanges

Types of Stainless Steel 310S Flanges We Supply

We offer a complete range of stainless steel 310S flange configurations to meet diverse piping requirements.

SS 310S Weld Neck Flanges

Our SS 310S weld neck flanges are designed with a long tapered hub that transfers stress evenly from the flange to the pipe. These flanges are ideal for high-pressure and high-temperature applications where reliability is critical.

As a Global Supplier of SS 310S Weld Neck Flange, we supply products suitable for refineries, power plants, and chemical processing facilities.

SS 310S SO Flanges

SS 310S SO flanges (Slip-On Flanges) are easy to install and cost-effective for low to medium pressure systems. These flanges slide over the pipe and are welded both internally and externally for secure attachment.

ANSI B16.5 SS 310 Orifice Flanges

ANSI B16.5 SS 310 Orifice Flanges are specifically designed for flow measurement systems. These flanges include pressure tap connections that facilitate accurate monitoring of fluid flow rates in industrial pipelines.

Blind Flanges

Used to terminate piping systems or vessel openings while allowing future access for inspection and maintenance.

Socket Weld Flanges

Recommended for small-diameter, high-pressure piping systems where leak-free performance is essential.

Threaded Flanges

Ideal for applications where welding is not practical or desirable.

Lap Joint Flanges

Designed for systems requiring frequent dismantling and alignment adjustments.

Advantages of 310S Stainless Steel Flanges

Choosing 310S SS flanges for your applications offers several advantages:

  1. Enhanced Durability: The combination of high-temperature resistance and corrosion resistance ensures that 310S stainless steel flanges have a long service life, even in the most demanding environments.
  2. Cost-Effective: While 310S stainless steel may have a higher initial cost compared to other materials, its durability and low maintenance requirements make it a cost-effective choice in the long run.
  3. Versatility: 310S stainless steel flanges are suitable for a wide range of applications, from chemical processing to aerospace, making them a versatile solution for various industries.
  4. Ease of Fabrication: The excellent weldability and formability of 310S stainless steel make it easier to fabricate and install flanges, reducing downtime and labor costs.
  5. Environmental Resistance: 310S SS flanges can withstand harsh environments, including high humidity, acidic conditions, and exposure to saltwater, making them ideal for use in coastal and marine applications.
SS 310S Flanges
310S SS Flanges

Schedule and Size Chart

Schedule Nominal Pipe Size (NPS) Flange Outside Diameter (OD) Flange Thickness Bolt Circle Diameter Number of Bolts Bolt Size
SCH 10 1/2″ to 24″ 95 mm to 610 mm 11.6 mm to 28.6 mm 60.5 mm to 546 mm 4 to 16 12 mm to 24 mm
SCH 20 1/2″ to 24″ 95 mm to 610 mm 12.7 mm to 30.2 mm 60.5 mm to 546 mm 4 to 16 12 mm to 24 mm
SCH 40 1/2″ to 24″ 95 mm to 610 mm 14.3 mm to 31.8 mm 60.5 mm to 546 mm 4 to 16 12 mm to 24 mm
SCH 80 1/2″ to 24″ 95 mm to 610 mm 15.9 mm to 34.9 mm 60.5 mm to 546 mm 4 to 16 12 mm to 24 mm
SCH 160 1/2″ to 24″ 95 mm to 610 mm 17.5 mm to 38.1 mm 60.5 mm to 546 mm 4 to 16 12 mm to 24 mm

Mechanical Properties Chart

Property Value
Tensile Strength 515 MPa (74,700 psi)
Yield Strength 205 MPa (29,700 psi)
Elongation 40% (in 50 mm)
Hardness 95 HRB
Modulus of Elasticity 200 GPa (29,000 ksi)
Poisson’s Ratio 0.30
Impact Resistance 30 J (at room temperature)

Specifications Chart

Specification Standard
ASTM ASTM A182, ASTM A240, ASTM A276
ASME ASME SA182, ASME SA240, ASME SA276
DIN DIN 1.4845
UNS UNS S31008
EN EN 10222-5
BS BS 1501

Chemical Composition Chart

Element Composition (%)
Chromium (Cr) 24.0 – 26.0
Nickel (Ni) 19.0 – 22.0
Carbon (C) ≤ 0.08
Manganese (Mn) ≤ 2.0
Silicon (Si) ≤ 1.5
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.03
Iron (Fe) Balance

Physical Properties Chart

Property Value
Density 7.9 g/cm³
Melting Point 1400 – 1450°C (2552 – 2642°F)
Thermal Conductivity 14.2 W/m·K (at 100°C)
Specific Heat Capacity 500 J/kg·K (at 0-100°C)
Electrical Resistivity 0.78 µΩ·m (at 20°C)
Coefficient of Expansion 15.9 µm/m·°C (0-100°C)
Magnetic Permeability ≤ 1.02 (at 200 Oersted)

Applications of UNS S31008 Pipe Flanges

As a leading UNS S31008 pipe flanges exporter, we serve a wide range of industries requiring exceptional heat and corrosion resistance.

Petrochemical Plants

Used in high-temperature processing units and chemical reactors.

Oil & Gas Industry

Suitable for offshore platforms, refineries, and pipeline systems.

Power Generation

Widely utilized in boilers, heat exchangers, and turbine systems.

Heat Treatment Facilities

Ideal for furnace components and thermal processing equipment.

Cement Plants

Resistant to high-temperature exhaust systems and industrial kilns.

Chemical Processing Plants

Reliable performance in corrosive and high-temperature environments.

Pulp & Paper Industry

Used in chemical recovery and process piping systems.

Fertilizer Plants

Provides durability under aggressive chemical exposure.

Frequently Asked Questions 

What is ASTM A182 F310S?

ASTM A182 F310S is a stainless steel forging grade containing high chromium and nickel content, designed for elevated temperature service and excellent oxidation resistance.

What is the difference between SS 310 and SS 310S flanges?

SS 310S contains lower carbon content than SS 310, improving weldability and reducing carbide precipitation during welding operations.

Where are SS 310S weld neck flanges used?

They are commonly used in power plants, petrochemical facilities, refineries, heat treatment plants, and high-pressure piping systems.

Are ANSI B16.5 SS 310 Orifice Flanges suitable for flow measurement?

Yes. These flanges are specifically designed to accommodate orifice plates and pressure taps for accurate flow monitoring.

What temperatures can SS 310S flanges withstand?

SS 310S flanges can perform effectively in temperatures approaching 1100°C under appropriate operating conditions.

Global Reach

ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Stainless Steel 310S Flanges. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

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Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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