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Home > Stainless Steel > Stainless Steel 316H Seamless Pipes
Ojas Pipes and Tubes, a well-respected manufacturer and supplier located in Kolkata, India, is recognized for providing top-notch Stainless Steel 316H Seamless Pipes designed to handle the demanding conditions of high-temperature and high-pressure applications. With a focus on precision-engineered piping solutions, Ojas caters to various industries, including petrochemicals, power generation, oil and gas, and heat exchangers. The Stainless Steel 316H variant, which has a higher carbon content than standard 316, offers improved strength and creep resistance at elevated temperatures. Supported by state-of-the-art infrastructure, rigorous quality control, and timely delivery, Ojas Pipes and Tubes has established itself as a reliable name in the stainless steel seamless piping market both in India and internationally.
Stainless Steel 316H Seamless Pipes are made up of 16–18% Chromium, 10–14% Nickel, 2–3% Molybdenum, and 0.04–0.10% Carbon, along with trace amounts of Manganese, Silicon, Phosphorus, Sulfur, and Iron as the base. The increased carbon content enhances both tensile and yield strength at higher temperatures. Typically, these pipes demonstrate a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 35%. Renowned for their exceptional high-temperature strength, corrosion resistance, and weldability, 316H pipes are perfect for pressure systems that operate under extreme heat and mechanical stress.
Range : 6NB to 1200NB
Outer Diameter : 1/8″ NPS to 12″ NPS
Thickness : 0.6 mm to 12.7 mm
Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
Length : Single Random, Double Random & Cut Length
Specifications : ASTM A312 / ASTM SA312
Types : Round, Square, Rectangle, Hydraulic, Honed Tubes
End : Plain End, Beveled End
| STANDARD | UNS | WERKSTOFF NR. |
| SS 316H | S31609 | 1.4919 |
| Ni | 10 – 14 |
| N | 0.10 max |
| Cr | 16 – 18 |
| C | 0.04 – 0.10 |
| Si | 0.75 max |
| Mn | 2 max |
| P | 0.045 max |
| S | 0.030 max |
| Mo | 2.00 – 3.00 |
| Grade | 316H |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Hardness | |
| Rockwell B (HR B) max | 95 |
| Brinell (HB) max | 217 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 316H Seamless Pipes from Ojas Pipes and Tubes guarantees exceptional corrosion resistance and high temperature performance. Their pipes are manufactured to exacting standards, ensuring reliability and durability for complex applications. With a focus on customer service, Brydon offers customized solutions and technical support. In addition, the rugged design reduces leakage, making it reliable for a variety of applications.
Ojas Pipes and Tubes, one of the largest suppliers of Stainless Steel 316H Seamless Pipe in Kolkata, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 316H | S31609 | 316S51 | – | – | – | – | – |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 316H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Yes, we offer custom sizes for Stainless Steel 316H Seamless Pipes to meet your specific requirements. Our team at Ojas Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@ojaspipesandtubes.co.in.
Stainless Steel 316H Seamless Pipes find extensive use in industries where high strength and heat resistance are crucial. They are commonly employed in superheaters, boilers, heat exchangers, and pressure vessels within power plants and refineries. Additionally, these pipes are utilized in the petrochemical and oil & gas industries for process piping systems that encounter elevated temperatures and harsh chemicals. Thanks to their outstanding resistance to oxidation and scaling, 316H pipes are ideal for furnace components and high-pressure steam lines. Their mechanical durability and corrosion resistance make them a perfect fit for demanding applications.
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