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Khaleed Stainless is a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, known for its top-notch Stainless Steel Unions that prioritize durability, precision, and leak-proof performance. These unions are crucial components in piping systems, allowing for easy assembly and disassembly without disrupting the entire setup. Crafted using cutting-edge technology and high-quality stainless steel, our unions boast exceptional corrosion resistance, strength, and a hygienic finish. At Khaleed Stainless, we follow global standards to guarantee dimensional accuracy and a long lifespan. Our unions find applications across various industries, including oil & gas, petrochemical, food and beverage, pharmaceuticals, and water treatment.
Stainless Steel Unions are typically made from grades 304, 304L, 316, and 316L, which consist of chromium (18–20%), nickel (8–12%), and molybdenum (2–3%) in the higher grades to improve resistance against pitting and crevice corrosion. They demonstrate tensile strength ranging from 515–620 MPa and yield strength between 205–290 MPa, along with excellent elongation and toughness. These unions offer remarkable mechanical reliability even under high pressure and temperature, showcasing superior resistance to oxidation, chemical attacks, and frequent sterilization. Their sturdy construction and hygienic surface make them perfect for demanding industrial and sanitary 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, Riyadh, 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 % |
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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 Khaleed 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 are widely utilized in industries that need quick and reliable pipeline connections and disconnections without any leakage. In the oil & gas and petrochemical sectors, they play a vital role in fluid and gas transport systems, providing flexibility for maintenance and repairs. The food, beverage, and dairy industries rely on these unions for hygienic piping systems, ensuring that processing remains contamination-free. In pharmaceuticals, they are essential in sterile and cleanroom environments. Water treatment facilities, breweries, and chemical industries also depend on stainless steel unions for their durability and reliability.







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