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Heer Stainless is a reputable manufacturer and supplier of stainless steel unions located in Hyderabad, India. They specialize in creating durable and precision-engineered pipe fittings. Renowned for their exceptional craftsmanship and quality, Heer Stainless unions offer reliable connections in piping systems that need to be easily assembled and disassembled. Made from top-grade stainless steel, these unions are designed to resist corrosion, provide strength, and ensure leak-proof performance even under high pressure and temperature. Heer Stainless caters to a variety of industries, including oil & gas, chemical, petrochemical, pharmaceuticals, and water treatment, delivering tailored solutions that align with global standards and client needs.
Heer Stainless unions are made from premium stainless steel grades like 304, 304L, 316, and 316L, which provide outstanding corrosion resistance, mechanical strength, and durability. These fittings exhibit high tensile strength, good ductility, and resistance to oxidation and chemical damage. Thanks to precision manufacturing, they feature tight tolerances and smooth threads that guarantee secure, leak-proof connections. Their mechanical properties enable them to endure high pressure, temperature changes, and mechanical stress, making them ideal for challenging industrial settings. The sturdy construction ensures a long service life and reliable performance in critical piping applications.
| Dimensions | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Size | 1/8″ NB TO 4″ NB |
| Form | Threaded Union, Forged Threaded Union |
| Pressure Ratings | Up to 20,000 psig (1,378 bar) |
|---|---|
| Temperature Ratings | Up to 1000° F (537° C) |
| Class | 33000 LBS, 6000 LBS, 4500 LBS |
| Type | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
| Types | NPT, ISO/BSP, SAE threads |
| Value Added Services: | Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
| Export to | Singapore, Indonesia, Hyderabad, Brazil, Ukraine, India, Thailand, Korea, Oman, Spain, Canada, USA, Ireland, Iran, Egypt, Saudi Arabia, Peru, etc |
| Production Grades: | Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
| Sizes available | 1/16 to 1 in. |
| Main Types | Pipe nipples, adapter and gaskets, reducing bushing and reducers, couplings, elbows, tees, crosses, union ball joints, caps, and plugs |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 304/ 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 310 / 310S / 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 306/ 316H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
Contact us to get a quick quote for your requirement.
Moreover, test certificates such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report, and Third Party Inspection Certificate are provided by most Heer Stainless Unions. Such documents act as proof for the quality and reliability of the product to its users regarding high performance and durability. Commitment to seamless and trustworthy experience where these Stainless Steel Unions meet the best standards of quality and compliance.
Stainless Steel Unions typically do not require additional corrosion protection coatings due to their inherent resistance to rust and corrosion. However, coatings may be applied for extreme environments or aesthetic purposes.
Yes, Stainless Steel Unions are fully recyclable. Stainless steel is a sustainable material that can be reused without losing its properties, making it an environmentally friendly choice for various applications.
When selecting Stainless Steel Unions, consider factors like material grade, pressure ratings, size compatibility, corrosion resistance, and the specific application environment to ensure optimal performance and durability.
Stainless Steel Unions are available in various configurations, including threaded, butt-weld, socket-weld, and flanged unions, offering different connection types to suit diverse industrial applications and pressure requirements.
Stainless steel unions from Heer Stainless are commonly used to connect pipes and tubes in industries where regular disassembly is essential for maintenance or inspection. Typical applications include oil & gas pipelines, chemical processing plants, pharmaceutical manufacturing, water treatment facilities, and food processing systems. These unions facilitate quick, easy, and secure connections, ensuring leak-proof joints even under high pressure and corrosive conditions. Their corrosion resistance and strength make them a go-to choice for demanding environments.







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