Rupal Metals, a reputable manufacturer and supplier located in Delhi, India, is dedicated to providing top-notch Haynes 188 Bars and Rods that are specifically engineered for extreme high-temperature and corrosive environments. With a strong focus on precision, quality assurance, and adherence to international standards, Rupal Metals delivers Haynes 188 products that stand out for their strength, thermal stability, and resistance to oxidation. Their bars and rods are meticulously crafted to meet the rigorous demands of the aerospace, power, and chemical industries. By utilizing advanced manufacturing techniques and prioritizing customer satisfaction, Rupal Metals consistently offers dependable, high-performance alloy solutions to clients in various global industrial sectors.
Haynes 188 Bars and Rods are cobalt-based alloys, which possess good high-temperature strength and oxidation resistance. The chemical composition is cobalt (Co) ~39-41%, chromium (Cr) ~21-23%, nickel (Ni) ~20-22%, tungsten (W) ~13-15%, iron (Fe) ≤3%, manganese (Mn) ≤1.25%, silicon (Si) ≤0.35%, carbon (C) 0.05-0.15%, and lanthanum (La) ≤0.02%. They display mechanical characteristics like tensile strength at 960 MPa, yield strength at 450 MPa, and elongation of 50% in annealed state. They present better oxidation resistance up to 1093°C and find suitability for the usage of these bars and rods at high stresses within gas turbines as well as for aerospace parts.
| Standards : | ASTM 5772, ASME S5772 |
| Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Wire : | Thickness starting from 0.05mm |
| Round bar size : | Diameter: 3-~800mm |
| Hex Bar size : | 2-100mm A/F |
| Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
| Square bar size : | 4 to 100mm |
| Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
| Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
| Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Mn | P | S | Si | Ni | Cr | Fe | W | B | La |
| Haynes 188 | .05 – .15 | 1.25 max | .020 max | .015 max | .20 – .50 | 20.0 – 24.0 | 21.0 -23.0 | 3.0 max | 13.0 -15.0 | .015 max | .03 – .15 |
| Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| ksi – 65 , MPa – 446 | ksi – 140 , MPa – 963 | 55 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Haynes 188 | 2.4683 | R30188 |
Haynes 188 bars and rods exhibit excellent high-temperature strength and oxidation resistance, maintaining structural integrity up to 2000°F (1093°C), making them ideal for aerospace, turbine, and high-performance engine applications.
To maintain Haynes 188 bars, regularly inspect for corrosion or wear, avoid excessive temperature fluctuations, clean with non-abrasive methods, and store in a dry, cool environment to prevent degradation.
Yes, Haynes 188 rods can be customized in size and length according to specific requirements. Manufacturers can provide tailored solutions based on customer specifications for industrial applications.
These Haynes 188 Bars and Rods find extensive use in industries that demand exceptional performance in high heat and corrosive conditions. They are commonly used in aerospace components like combustion chambers, afterburners, and turbine parts, as well as in industrial gas turbines, heat exchangers, and high-temperature reactors. Their remarkable oxidation resistance and thermal stability make them ideal for applications in power generation, petrochemical processing, and space exploration systems. The alloy’s ability to maintain its mechanical integrity under extreme conditions ensures reliability and durability in the most challenging operational environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Haynes 188 Bars and Rods are primarily made of cobalt, with notable additions of nickel (22%), chromium (22%), and tungsten (14%), along with trace amounts of lanthanum to boost oxidation resistance. This alloy boasts impressive mechanical properties, featuring a tensile strength of around 850–1000 MPa, yield strength of approximately 450–600 MPa, and elongation of up to 30%. Haynes 188 excels in creep strength, thermal stability, and resistance to oxidizing and sulfidizing environments, particularly at elevated temperatures above 1000°C, making it perfect for high-stress applications.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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