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Engineered with low impurity margins, optimal wetting dynamics, and consistent dimensional accuracy to guarantee dependable solder joints across automated electronics, construction, and metal fabrication systems.
In modern metallurgical engineering and high-precision manufacturing, low carbon steel wire for soldering application has transitioned from a standard mechanical binding material into a critical component of automated electronics assembly, automotive harness grounding, HVAC brazing, and solid welding electrode matrices.
The low carbon profile (typically with carbon levels constrained below 0.10% and strictly controlled sulfur and phosphorus residues) provides exceptional elongation, superior electrical conductance, and optimal intermetallic layer formation during thermal soldering. With the rapid expansion of electric vehicle (EV) battery packs, smart grid enclosures, and robotic soldering lines, the global demand for high-purity, uniform-diameter low carbon wire is experiencing an unprecedented surge.
Leading industrial manufacturers require tight dimensional consistency (±0.01 mm tolerance), mirror-smooth surface finishes, and specific surface plating—such as electro-tinning, copper flashing, or micro-galvanization—to ensure instantaneous flux activation and zero defect solder wetting under high-speed soldering equipment.
Combining strict carbon chemistry with precision cold drawing allows our low carbon steel wire to excel across manual, wave, induction, and selective laser soldering workflows.
By limiting carbon to ≤0.06%–0.08%, the wire minimizes hard carbide precipitation at the joint boundary. This promotes seamless intermetallic diffusion (Fe-Sn alloy layers) when exposed to standard Sn-Pb or lead-free (SAC305) solders.
Through continuous in-line annealing and controlled cold reduction, our wire delivers an elongation rate exceeding 25% to 32% with balanced tensile strength (350–550 MPa), facilitating high-speed feeding without snarls or premature snapping.
Multiple stages of chemical pickling, ultrasonic degreasing, and flash coating remove oxide skins and drawing lubricant residues, preventing voids, dewetting, or pinhole defects during thermal solder flows.
Engineered to react predictably with Rosin Mildly Activated (RMA), No-Clean, and Water-Soluble organic flux systems, reducing flux spatter and accelerating capillary action inside tight micro-soldering joints.
Maintains high mechanical toughness and creep resistance under rapid thermal cycling (-40°C to +125°C), preventing micro-cracking within the soldering boundary in severe automotive and industrial environments.
Supplied on precision layer-wound spools or heavy-duty pay-off carriers with calibrated cast and helix tolerances, guaranteeing zero jamming on robotic wire soldering stations and coil winding machines.
From microelectronic wire leads to heavy-duty electrical grounding, discover how tailored low carbon steel wire solves high-reliability joining challenges.
Automotive electrification mandates durable grounding studs, fuse terminals, and sensor pins. Tin-coated low carbon steel wire delivers cost efficiency, vibration resistance, and seamless solderability to copper braided leads and PCB grounding pads.
For transformers, inductors, relay coils, and passive power components, low carbon wire serves as terminal pins. Its high formability allows tight 90-degree pin bends without micro-fractures, followed by rapid wave or dip soldering.
Used extensively as the parent wire rod substrate for continuous drawing of MIG/MAG ER70S-6 welding wire and flux-cored tubular electrodes. Clean chemical metallurgy ensures minimal spatter and deep weld pool penetration.
In construction framing and cable management trays, hot-dip galvanized and low carbon steel wires are spot-soldered and resistance-welded into rugged structural lattices that resist environmental oxidation.
Low carbon wire forms support rings and preform wire loops utilized in automated brazing furnaces. It exhibits stable thermal expansion, keeping copper-to-steel joints hermetically sealed under high refrigerant pressures.
Precision tin-plated low carbon wires provide EMI/RFI shielding meshes and grounding connections inside telecommunication enclosures, ensuring durable low-resistance electrical pathways over decades of outdoor service.
Standard and customized grades manufactured in strict accordance with ASTM, GB, JIS, DIN, and AWS international specifications.
| Parameter / Grade | SAE 1006 / Q195 | SAE 1008 / Q215 | SAE 1010 / Q235 | ER70S-6 Core Grade |
|---|---|---|---|---|
| Carbon Content (C) | ≤ 0.06% | ≤ 0.08% | 0.08% – 0.12% | 0.06% – 0.10% |
| Manganese (Mn) | 0.25 – 0.40% | 0.30 – 0.50% | 0.30 – 0.60% | 1.40 – 1.65% |
| Silicon (Si) | ≤ 0.05% | ≤ 0.08% | ≤ 0.10% | 0.80 – 1.00% |
| Phosphorus (P) & Sulfur (S) | ≤ 0.020% / ≤ 0.020% | ≤ 0.025% / ≤ 0.025% | ≤ 0.025% / ≤ 0.025% | ≤ 0.015% / ≤ 0.015% |
| Tensile Strength (MPa) | 320 – 440 MPa | 350 – 480 MPa | 420 – 540 MPa | 490 – 590 MPa |
| Elongation (A50mm) | ≥ 30% | ≥ 28% | ≥ 25% | ≥ 24% |
| Available Diameter Range | 0.40 mm – 4.00 mm | 0.60 mm – 6.00 mm | 0.80 mm – 8.00 mm | 0.80 mm – 1.60 mm |
| Surface Finishing Options | Electro-Tin, Bright Annealed | Hot-Dip Galvanized, Light Zinc | Bright Drawn, Copper Coated | Micro Copper Flashed |
| Soldering Suitability | Ultra-High (Lead-Free / RMA) | Excellent (General Soldering) | High (Brazing & Spot Solder) | Specialized Arc & MIG Soldering |
Hansheng Technology (Hebei) Co., Ltd. is situated in Tangshan City, Hebei Province—the renowned steel base of China. Strategically located just 150 kilometers to Tianjin seaport and 150 kilometers to Capital Beijing, we enjoy unmatched logistical advantages for rapid ocean shipping and international distribution.
Established as a comprehensive manufacturing exporter of prime quality steel products since 2006, we operate 8 advanced production lines with an annual output capacity reaching 300,000+ metric tons (with comprehensive group capacity surpassing 650,000 tons). We specialize in Galvanized Steel Wire, Low Carbon Wire for Soldering, Hot/Cold Rolled Steel Plate (coil/sheet), GI/PPGI, GL/PPGL, and Section Steel fabricated to meet GB, JIS, ASTM, DIN, EN 10025, and AS/NZS global standards.
Backed by our rigorous ISO 9001:2000 and ISO 14001 certified Quality Control systems, every production batch undergoes complete pre-shipment testing. Our dedicated team of 35+ industry professionals delivers responsive service, competitive quotations, and strict contract adherence to clients across the Middle East, Southeast Asia, North Asia, Africa, the Americas, and Europe.
Trust, confidence, and reliability; passion for engineering excellence; absolute integrity in all client engagements; empowering our team to deliver; and proactively adapting to evolving global industrial needs.
Focusing on prime industrial and building materials to create a better life for humanity, while continuously striving to lead the global steel and precision wire manufacturing sector.
19+ years export mastery, certified ISO9001/ISO14001 QC system, 100% pre-shipment batch inspection, robust stock supply, and reliable cargo delivery strictly honoring contracts.
Detailed metallurgical and procurement answers to streamline your material selection and processing workflows.
Low carbon wire (C ≤ 0.08%) has significantly lower hardness and minimal formation of iron carbide (Fe3C) networks at grain boundaries. When heated during soldering or brazing, low carbon steel allows the molten tin/lead or SAC solder to quickly wet the surface and diffuse into the crystal matrix, creating a robust, ductile Fe-Sn intermetallic bond that resists vibration fatigue and thermal shock cracking.
We provide electro-tin plated coatings (1.0–5.0 µm) for instant soldering with mild no-clean fluxes; micro-copper flash coatings for automated MIG/MAG and resistance soldering; and bright annealed smooth finishes degreased with ultrasonic cleaners for automated wire-forming and dip soldering lines.
Our manufacturing lines utilize controlled low-acid pickling combined with immediate post-draw continuous bright annealing under a protective nitrogen-hydrogen atmosphere. This baking cycle completely releases residual hydrogen atoms, preventing delayed brittle fracture during automated coiling and high-temperature soldering.
We supply low carbon wire on DIN 100, DIN 200, and DIN 250 plastic spools, precision metal basket spools (BS300/K300: 15kg–20kg), and high-capacity pay-off drums (250kg–350kg) packed with anti-corrosion VCI barrier films and silica desiccant to guarantee up to 24 months of shelf life without oxidation.
Discover our complete range of certified steel coils, channels, scaffolding, wire ropes, and low carbon wire products supplied globally from Tangshan, China.
Complementary steel profiles, flat bars, color-coated coils, and cable management trays supporting global infrastructure and industrial manufacturing.
