Q195 Carbon Steel Wire
Low-carbon mild steel wire for economical general-purpose applications
High-quality Q195 carbon steel wire offers excellent weldability, formability, and cost-effectiveness for general industrial applications. Ideal for manufacturing wire products, fasteners, springs, and fabricated components where moderate strength and easy processing are primary requirements.
Quick Specifications
- Material Grade
- Q195 (GB/T 1235)
- Form
- Wire
- Carbon Content
- 0.07 - 0.13%
- Tensile Strength
- 300 - 400 MPa
- Yield Strength
- 170 MPa minimum
- Elongation (50mm)
- 32% minimum
Standards & Certifications
Product Description
Q195 carbon steel wire is a low-carbon mild steel specifically engineered for applications requiring excellent weldability, superior formability, and cost-efficiency. The chemistry and thermal treatment are carefully controlled to deliver consistent mechanical properties while maintaining ease of processing. This material is widely used across multiple industries where the combination of adequate strength, exceptional ductility, and economic value provides optimal performance solutions.
The wire form enables easy cold drawing, bending, and forming operations without requiring intermediate annealing, significantly reducing manufacturing costs and processing time. The material's inherent magnetic properties and moderate strength characteristics make it particularly suitable for electromagnetic applications and general fabrication where high-performance specialty alloys are unnecessary. Its excellent weldability ensures reliable joints without special procedures or post-weld heat treatment.
Our Q195 carbon steel wire is produced from virgin steel ingots using modern wire drawing and heat-treatment processes that ensure consistent diameter tolerances, surface quality, and mechanical properties throughout the entire coil. The material is available in various diameters and finishes, including bright, black, or galvanized coatings to suit specific corrosion protection requirements and application environments.
With superior value proposition and proven performance in millions of applications worldwide, Q195 carbon steel wire remains the first choice for cost-conscious manufacturers who require reliable materials without premium pricing. Whether for electrical, mechanical, or construction applications, this versatile material delivers consistent quality and outstanding workability.
Specifications
| Material Grade | Q195 (GB/T 1235) |
| Form | Wire |
| Carbon Content | 0.07 - 0.13% |
| Tensile Strength | 300 - 400 MPa |
| Yield Strength | 170 MPa minimum |
| Elongation (50mm) | 32% minimum |
| Density | 7.85 g/cm³ |
| Melting Point | 1480 - 1540°C |
| Thermal Conductivity | 59 W/m·K at 20°C |
| Modulus of Elasticity | 206 GPa |
| Thermal Expansion | 11 × 10⁻⁶/°C (0-100°C) |
| Electrical Resistivity | 100 nΩ·m at 20°C |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.07 - 0.13 |
| Manganese (Mn) | 0.25 - 0.55 |
| Silicon (Si) | ≤ 0.07 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Drawn) | 300 - 400 MPa |
| Yield Strength (0.2% Offset) | 170 MPa minimum |
| Elongation | 32% minimum |
| Hardness (Drawn Condition) | 90 - 110 HV |
| Bend Test (180°) | No cracking at 2xD |
| Reduction of Area | 50% minimum |
| Modulus of Elasticity | 206 GPa |
| Impact Strength (Charpy V) | ≥ 60 J at 20°C |
Key Features & Advantages
Applications
Electrical Component Manufacturing
Production of electromagnet windings, transformer cores, and electrical wire products where good electrical conductivity and formability enable efficient manufacturing processes.
Wire Products and Fasteners
Manufacturing of nails, screws, bolts, nuts, rivets, and other fastening components where economical material and consistent mechanical properties reduce production costs.
Springs and Mechanical Components
Fabrication of tension and compression springs, clips, brackets, and mechanical linkages where good ductility prevents brittle failure under cyclic loading.
Construction and Infrastructure
Welded mesh, reinforcement wire, and structural components in concrete reinforcement and building applications where cost-effectiveness and weldability are essential requirements.
Automotive and Transportation Components
Manufacturing of wire harnesses, fasteners, springs, and structural welded components in automotive applications where economic material selection enables competitive product pricing.
General Fabrication and Manufacturing
Wire bending, forming, and fabrication for miscellaneous metal products where excellent workability and moderate strength meet performance requirements at minimum cost.
Frequently Asked Questions
Why is Q195 carbon steel wire preferred over stainless steel for many applications?
Can Q195 carbon steel wire be cold-drawn to smaller diameters?
What is the difference between bright and black finish Q195 wire?
Is galvanized Q195 wire suitable for outdoor applications?
What welding procedures are recommended for Q195 carbon steel wire?
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