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High-precision tungsten alloy bars, billets, fasteners, and radiation management solutions manufactured to meet stringent GOST and ASTM international benchmarks.
The Russian industrial ecosystem is experiencing massive technological transformations, driving unprecedented demand for refractory and high-density tungsten heavy alloys (W-Ni-Fe, W-Ni-Cu). Major industrial centers throughout the Urals (Chelyabinsk, Yekaterinburg), Central Federal District, Volga Region, and Siberian heavy extraction hubs require high-integrity tungsten alloy rods for heavy mechanical tooling, bore-hole drilling, aerospace balancing, and nuclear power plant protection.
With an extensive pipeline of oil and gas exploration in Yamal, Western Siberia, and the Arctic shelf, directional drilling mechanisms rely heavily on tungsten alloy rods. These rods serve as high-density logging balance bars and non-magnetic collars capable of resisting intense subterranean friction, mechanical shock, and hydrostatic pressure.
Furthermore, Russian machine building and metallurgical complexes are prioritizing materials with high thermal conductivity, low thermal expansion coefficients, and superior modulus of elasticity to replace lower-performing tool steels and substandard sintered metals.
Tailored tungsten heavy alloy rods optimized for extreme environments, heavy radiation fields, and precision aerospace mechanics.
In Siberian deep-well operations and permafrost drilling, tungsten alloy rods are machined into sinker bars, MWD/LWD housing balancers, and collimators. Their exceptional density (up to 18.5 g/cm³) provides necessary downhole gravity assistance in high-viscosity muds while keeping tool geometry compact.
Serving Rosatom engineering hubs and specialized isotope research laboratories, our tungsten alloy rods and machined collimators deliver superior gamma and X-ray attenuation compared to lead, with zero environmental toxicity and superior structural strength under intense thermal load.
Used widely in Russian civil aviation manufacture, rotor blade counterweights, turbine dampening systems, and gyroscopic guidance mechanisms. Tungsten alloy rods deliver precise mass concentration inside tight dimensional envelopes.
For metallurgical plants processing copper, brass, and aluminum across Nizhny Novgorod and Samara, tungsten alloy rods are manufactured into hot extrusion dies, resistance welding inserts, and boring bars that completely eliminate chattering during deep CNC machining.
Supplying diagnostic imaging centers and specialized oncological institutes with multileaf collimator (MLC) rods, PET syringe shields, and isotope transport isotope containment systems that meet stringent international healthcare safety criteria.
High-tensile W-Ni-Fe tungsten alloy rods crafted with controlled ductility and uniform grain structures, meeting severe mechanical performance expectations under high-impact dynamic stresses.
Strict chemical purity, liquid-phase sintering control, and vacuum de-gassing ensure porosity-free rods suitable for EDM and precision CNC machining.
| Alloy Grade | Composition (W %) | Density (g/cm³) | Tensile Strength (MPa) | Elongation (%) | Typical Industrial Use |
|---|---|---|---|---|---|
| Class 1 (W-Ni-Fe / W-Ni-Cu) | 90% W, Balance Ni, Fe/Cu | 17.0 ± 0.15 | ≥ 750 - 950 | ≥ 8 - 15 | Downhole sinker bars, balancing weights, tooling dies |
| Class 2 (W-Ni-Fe) | 92.5% W, Balance Ni, Fe | 17.5 ± 0.15 | ≥ 800 - 980 | ≥ 7 - 12 | Aerospace dynamic dampers, high-temp furnace pins |
| Class 3 (W-Ni-Fe / W-Ni-Cu) | 95% W, Balance Ni, Fe/Cu | 18.0 ± 0.15 | ≥ 850 - 1050 | ≥ 5 - 10 | Isotope containers, non-magnetic sensor shields |
| Class 4 (W-Ni-Fe) | 97% W, Balance Ni, Fe | 18.5 ± 0.15 | ≥ 800 - 920 | ≥ 3 - 6 | High-energy collimators, deep radiation attenuation |
We own a research and development group leaded by materials science professor, senior engineer, and we keep close communication and cooperation with relevant academy of Central South University, which ensure our tungsten alloy products are in leading level in national even in international.
Quality first, all staff participation, sincere service, customer-orientation is the working criterion we always adhere to and while achieving the best to meet customers' need or over the customer's expectation is the greatest happiness to all staffs.
We will provide best price and best service with best quality products for you, so we really expect sincere cooperation between both of us in the coming future!
Showcasing state-of-the-art tungsten alloy engineering, industrial bilateral exchanges, and metallurgy exhibitions worldwide.
Located strategically in Tianjin—China's pivotal maritime and rail shipping hub—AMI Steel guarantees uninterrupted supply chains into Russian industrial corridors. We utilize established China-Europe railway express corridors (Manzhouli/Zabaikalsk, Erlianhot, Alashankou) and multimodal sea-rail freight through Vladivostok and St. Petersburg.
Every batch of tungsten alloy rods undergoes thorough non-destructive testing (NDT), ultrasonic flaw detection, and X-ray fluorescence (XRF) spectral certification. Products are vacuum-sealed with anti-corrosion desiccants and packed in reinforced plywood crates lined with foam buffers to endure extended overland journeys through diverse climate zones.
Explore our complete catalog of standard and custom-machined tungsten alloy rods, blocks, fasteners, and specialized shielding elements.
