Stainless Steel 302 Flanges

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Stainless Steel 302 Flanges Manufacturer, Exporter and Supplier in Auckland, New Zealand.

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Table of Contents

Stainless Steel 302 flangesemerge as essential components within a wide range of piping systems, praised for their impressive mechanical properties and resistance to corrosion. Made from Stainless Steel 302, this version is valued for its outstanding combination of strength, durability, and corrosion-resistant characteristics. Featuring a composition abundant in chromium and nickel, Stainless Steel 302 demonstrates remarkable durability against oxidation and corrosion in a variety of environments, rendering it an ideal choice for uses that require toughness against harsh conditions. Furthermore, its alloying elements enhance its remarkable mechanical qualities, including high tensile strength, excellent formability, and abrasion resistance. To conclude, Stainless Steel 302 flanges serve as reliable components throughout industrial fields, guaranteeing dependable performance and longevity in challenging operating environments.

Stainless Steel 302 Flanges Specifications

Size Chart 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Standards API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 A & B, B16.48, ASME, BS, DIN, EN, BS4504, BS 10, EN-1092, DIN, ANSI, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051,
JISB2220, BS1560-3.1, EN1092
Pressure Rating ANSI 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS
Pressure Calculation in DIN 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip  Yellow Transparent
Most common types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

Test Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector
Equipment Bending machine, Pushing Machine,Press machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange,
GOST Flange, PSI Flange

  • B.S: BS4504 , BS3293, BS1560, BS10
  • German (DIN)
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • British standard (BS)
  • ANSI B16.5, ANSI B16.47 A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Uses & application
  • Nuclear power (mostly seamless).
  • Bitumen upgraders.
  • Petrochemicals and acids.
  • Heavy oil refineries.
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Stainless Steel 302 Flanges Chemical Composition

Carbon0.15 max
Chromium16 – 18
Iron0.4 max
Manganese2 max
Nickel6 – 8
Phosphorus0.045 max
Silicon1 max
Sulphur0.03 max

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Stainless Steel 302 Flanges Mechanical Properties

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31400 °C (2550 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Top Stainless Steel 302 Flanges Manufacturing Company in Auckland

At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, providing advanced solutions for all your piping requirements. With modern production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials readily on hand in stock.

Reach out to us for a fast quote tailored to your requirement.

We supply these Stainless Steel 302 Flanges in accordance with DIN, ISO, JIS or ANSI Standard.

302 Stainless Steel Flange Exporter In Christchurch New Zealand, Stainless Steel 302 Flanges Manufacturer And Supplier In Auckland, New Zealand.

Advantages of Stainless Steel 302 Flanges

Advantages of Stainless Steel 302 Flanges
  • Corrosion resistance: Stainless Steel 302 offers outstanding resistance to corrosion, making it well-suited for environments where chemicals or moisture tend to reach high levels, delivering durability and reliability

  • Sanitary properties: Stainless steel 302 is nonporous and simple to clean, making it well-suited for industries that demand rigorous hygiene standards, such as food processing, pharmaceuticals and healthcare.

  • Thermal resistance: These flanges demonstrate remarkable thermal stability, retaining their performance even during extreme temperature swings and delivering consistent performance under operating conditions

  • Formability: Stainless Steel 302 is recognized for its malleability and formability, which enables straightforward fabrication and customization to meet specific job requirements, cutting manufacturing time and cost

  • High Strength: Stainless steel 302 flanges, with their excellent tensile strength and rigidity, deliver strong support in piping systems, able to endure high-pressure conditions without sacrificing structural integrity

Types of Stainless Steel 302 Flanges

SS 302 Socket Weld Flanges in New Zealand
SS 302 Socket Weld Flanges
SS 302 Ring Type Joint Flanges in New Zealand
SS 302 Ring Type Joint Flanges
SS 302 Forged Flanges in New Zealand
SS 302 Forged Flanges
SS 302 Long Weld Neck Flanges in New Zealand
SS 302 Long Weld Neck Flanges
SS 302 Lap Joint Flanges in New Zealand
SS 302 Lap Joint Flanges
SS 302 Reducing Flanges in New Zealand
SS 302 Reducing Flanges

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Stainless Steel 302 Flanges Uses

Application Industry

Stainless Steel 302 Flanges offer outstanding mechanical properties and hold up well against wear corrosion, and elevated temperatures, making them a common choice across many industries. You will find these flanges frequently used in the oil and gas, petrochemical, power generation, and aerospace sectors. They serve a key role in connecting equipment, valves, and piping networks. Thanks to their remarkable strength, durability, and resistance to wear, they are ideally suited for uses that face harsh operating conditions, including high temperatures, elevated pressures, and corrosive surroundings.

Oil & Gas Industry

Aerospace Industry

Petro Chemical Industry

Power Generation Industry

  • Chemical applications: Stainless steel 302 flanges serve in chemical plants to connect piping and valves, in settings that demand resistance to chemical corrosion and elevated temperatures

  • Chemical: Stainless steel 302 flanges are employed to link equipment and piping systems within the chemistry field, guaranteeing product integrity, cleanliness, and adherence to strict hygiene regulations

  • Food and Beverage: Stainless steel 302 flanges are favored across the food, manufacturing, and beverage industries thanks to their hygienic characteristics, resistance to acid and alkaline corrosion, and conformity with food safety standards

  • Oil & Gas Industry: These flanges serve a vital function in oil refineries, offshore platforms, and pipelines, delivering dependable connections in demanding environments owing to harsh chemicals and extreme transport conditions because of the use of

How to Choose the Right Stainless Steel 302 Flanges

  • Specify operating requirements: Detail the operating parameters, such as pressure, temperature, water type, and environmental influences like corrosive substances or severe weather conditions.

  • Facing and Surface Finish: Flange faces (e.g., raised faces, flat faces, ring-type joints) and surface finishes (e.g., smooth, serrated) according to sealing needs, gasket compatibility, and flange mating surfaces. Make a selection

  • Flange Type and Size: Choose the suitable flange type (e.g., weld neck, slip-on, socket weld, threaded) according to piping system design, installation approach, and connection needs. Flange size, pressure-dependent pipe dimensions and operating pressure on -And establish the rating.

  • Materials: Assess whether stainless steel 302 fits your application in terms of corrosion resistance, heat resistance, and compatibility with water or airflow. Take into account any particular industry standards or regulations that might apply.

Are Stainless Steel 302 Flanges weldable?

Yes,Stainless Steel 302 flanges can be welded. They demonstrate good weldability using standard welding methods including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), and gas metal arc welding (GMAW). Correct welding procedures and techniques must be observed to preserve the material’s corrosion resistance and mechanical properties.

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FAQ (Frequently Asked Questions)

Are Stainless Steel 302 Flanges susceptible to galvanic corrosion?

Yes,Stainless Steel 302 flanges can be prone to galvanic corrosion when they come into contact with dissimilar metals in electrolyte solutions. Adequate insulation or using compatible materials in contact with Stainless Steel 302 can reduce the risk of galvanic corrosion in piping systems.

Can Stainless Steel 302 Flanges be recycled after use?

Yes,Stainless Steel 302 flanges are highly recyclable. They can be gathered, melted down, and repurposed to create new stainless steel products without degrading their qualities. Recycling Stainless Steel 302 supports sustainability initiatives, preserves resources, and lessens the environmental impact tied to raw material extraction and manufacturing.

Can Stainless Steel 302 Flanges be used for structural applications?

Yes,Stainless Steel 302 flanges are suitable for structural uses that call for corrosion resistance, strength, and durability. They provide solid mechanical properties and can bear structural loads across a range of environments, which makes them appropriate for uses like building construction, bridges, and architectural elements.

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