| Low-Carbon Steel Wire Rod | SAE 1006, SAE 1008, SAE 1010, SAE 1018, SAE 1022; C4D–C22D | ASTM A510/A510M SAE J403 EN 10016-1/-2 ISO 16120 | Approximately 5.5–25 mm; larger sizes may be available by mill capability | Good ductility, weldability, cold-forming performance, and suitability for drawing. Typical carbon content is generally below 0.25%, depending on grade. | Diameter and dimensional tolerance, controlled chemistry, pickled or mechanically descaled surface, drawing-quality surface, coil weight, coil ID/OD, and reduced residual elements. | Nails, mesh, fencing, general-purpose wire, fasteners, wire products, and cold-drawn wire. |
| Cold-Heading and Cold-Forming Rod | SAE 1006–1022, 10B21, 10B33; C4C, C8C, C10C, C15C | EN 10263-1/-2 ASTM A510/A510M SAE J403 ISO 16120 | Approximately 5.5–22 mm for common fastener feedstock | Low inclusion level, consistent spheroidized-annealing response, controlled surface quality, and high deformability for heading and extrusion. | Phosphorus and sulfur limits, boron addition, aluminum-killed chemistry, controlled decarburization depth, spheroidizing-annealing suitability, and surface-defect limits. | Bolts, screws, rivets, nuts, automotive fasteners, clips, and cold-extruded components. |
| High-Carbon Steel Wire Rod | SAE 1070, SAE 1080, SAE 1084, SAE 1090; C66D–C92D; SWRH72A–SWRH82B | EN 10016-1/-2 ISO 16120 JIS G3506 SAE J403 | Approximately 5.5–16 mm for many tire-cord, spring, and high-strength wire applications | High tensile potential, controlled pearlitic structure, good patenting response, and suitability for heavy drawing reductions. | Carbon range, manganese level, non-metallic inclusion control, patenting suitability, controlled segregation, tight ovality, and surface-quality requirements. | Steel cord, bead wire, saw wire, high-strength rope wire, mattress wire, piano wire, and prestressing wire feedstock. |
| Spring Steel Wire Rod | SAE 1070–1090, SAE 5160, SAE 9254; 51CrV4; 55Cr3 | EN 10089 EN 10270-1 SAE J404 ISO 16120 | Approximately 5.5–20 mm, subject to grade and downstream process | High fatigue resistance, controlled hardenability, reliable heat-treatment response, and resistance to decarburization. | Alloy additions such as chromium, silicon, manganese, or vanadium; hardenability limits; inclusion rating; surface conditioning; and customized coil dimensions. | Automotive springs, suspension components, agricultural springs, mechanical springs, and high-stress wire products. |
| Alloy and Quenched-and-Tempered Steel Rod | SAE 4130, SAE 4140, SAE 4145; 34CrMo4; 42CrMo4 | EN 10083-3 SAE J404 ASTM A29/A29M | Approximately 6–25 mm for common wire-rod and conversion applications | Higher strength and hardenability than plain-carbon grades, with controlled alloy chemistry for heat treatment and mechanical performance. | Alloy chemistry, restricted-element limits, spheroidizing-annealing response, center segregation control, ultrasonic testing, surface conditioning, and heat-treatment condition. | High-strength fasteners, mechanical parts, oilfield components, automotive parts, and cold-forged or machined products. |
| Microalloyed Steel Wire Rod | Vanadium-, niobium-, or titanium-microalloyed carbon-manganese grades; application-specific HSLA grades | EN 10016 ISO 16120 ASTM A510/A510M Customer specification | Approximately 5.5–25 mm | Enhanced yield strength and grain refinement with reduced reliance on conventional heat treatment, depending on chemistry and processing route. | Microalloy content, controlled rolling temperature, accelerated cooling, ferrite-pearlite or bainitic structure, grain-size targets, and mechanical-property windows. | High-strength fasteners, automotive wire products, structural wire, reinforcement-related products, and engineered components. |
| Welding Wire Rod Feedstock | Low-carbon manganese-silicon grades for solid welding wire; chemistry selected for ER70S-type classifications | AWS A5.18/A5.18M ISO 14341 EN 10264-1 ASTM A510/A510M | Commonly 5.5–16 mm before drawing and surface treatment | Clean steel, stable drawing performance, controlled copper and residual elements, and chemistry designed for consistent weld-metal properties. | Manganese and silicon levels, copper coating compatibility, surface cleanliness, drawing reduction plan, coil weight, and welding-classification chemistry. | Gas-metal arc welding wire, submerged-arc welding wire, fabricated steel structures, machinery, shipbuilding, and pressure equipment. |
| Stainless Steel Wire Rod | 304/304L, 316/316L, 321, 410, 430, and other austenitic, ferritic, and martensitic grades | ASTM A493/A493M EN 10088-3 ISO 16143 JIS G4308 | Approximately 5.5–25 mm, depending on grade and finishing route | Corrosion resistance, controlled surface condition, and grade-specific formability or heat-treatment response. | Low-carbon or stabilized grades, solution-annealed condition, bright or pickled surface, magnetic-property control, diameter tolerance, and corrosion-performance requirements. | Fasteners, welding wire, springs, wire mesh, medical and food-processing components, marine equipment, and architectural products. |
| Tire Cord and Steel Cord Feedstock | High-carbon pearlitic grades, commonly within approximately 0.70–0.95% carbon ranges | ISO 16120 EN 10016 Customer tire-cord specification | Commonly 5.5–6.5 mm for downstream multi-stage drawing | Very low inclusion content, narrow chemistry range, fine pearlitic structure, excellent drawability, and tight surface-quality control. | Carbon and manganese limits, restricted phosphorus and sulfur, inclusion-size limits, controlled segregation, decarburization limits, and specialized coil packaging. | Passenger-car tire cord, truck and bus tire cord, bead wire, hose reinforcement, and conveyor-belt reinforcement. |
| Prestressing and High-Tensile Wire Feedstock | High-carbon pearlitic grades selected for prestressing wire or strand production | EN 10016 ISO 16120 EN 10138 ASTM A510/A510M | Approximately 5.5–13 mm for common downstream drawing operations | High tensile-strength potential, uniform microstructure, low surface-defect frequency, and reliable response to drawing and stabilization. | Strength class, relaxation-performance targets, inclusion control, decarburization limits, ovality, coil weight, and traceability requirements. | Prestressing wire, prestressed concrete strand, bridge components, railway sleepers, and precast concrete products. |