AISI 1030 Steel, annealed

AISI 1030 Steel, annealed at 845°C (1550°F) Product Information -:- For detailed product information, please contact sales. -: AISI 1030 Steel, annealed at 845°C (1550°F) Synonyms -:- For detailed product information, please contact sales. -:

AISI 1030 Steel, annealed at 845°C (1550°F) Product Information -:- For detailed product information, please contact sales. -: # Product Introduction: AISI 1030 Steel, Annealed at 845°C (1550°F) ## Overview AISI 1030 steel in the annealed condition represents a versatile medium-carbon steel processed through full annealing at 845°C (1550°F). This specific heat treatment transforms the microstructure into a soft, ductile, and homogeneous state ideal for subsequent machining, forming, or cold-working operations. Annealing at this temperature ensures complete austenitization followed by slow furnace cooling, resulting in optimal material workability with uniform properties throughout the cross-section. ## 1. Chemical Composition (Typical, % by Weight) | Element | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Iron (Fe) | |---------|------------|----------------|----------------|------------|--------------|-----------| | **Content** | 0.28-0.34 | 0.60-0.90 | ≤0.040 | ≤0.050 | 0.15-0.30 | Balance | *Note: Composition meets AISI/SAE 1030 specifications with trace elements within standard limits.* ## 2. Physical & Mechanical Properties (Annealed Condition) ### Mechanical Properties: - **Tensile Strength:** 60-75 ksi (415-515 MPa) - **Yield Strength:** 40-50 ksi (275-345 MPa) - **Elongation (in 2"):** 30-35% - **Reduction in Area:** 55-65% - **Hardness (Brinell):** 140-170 HB - **Modulus of Elasticity:** 29,000 ksi (200 GPa) - **Machinability Rating:** ~70% (relative to 1% C steel) ### Thermal & Physical Properties: - **Density:** 0.284 lb/in³ (7.87 g/cm³) - **Thermal Conductivity:** 51.9 W/m·K (at 100°C) - **Melting Point:** ~1,425°C (2,600°F) - **Specific Heat Capacity:** 486 J/kg·K ### Processing Characteristics: - **Machinability:** Excellent – optimal condition for heavy machining operations - **Formability:** Good – suitable for moderate cold forming/bending - **Weldability:** Good with proper pre-heating procedures - **Response to Heat Treatment:** Annealed state provides ideal baseline for subsequent hardening processes **Annealing Benefits:** - **Maximum Softness:** Achieves lowest practical hardness for this grade - **Stress Relief:** Eliminates internal stresses from previous processing - **Grain Structure:** Produces coarse pearlite with ferrite matrix - **Dimensional Stability:** Minimizes distortion during machining ## 3. Typical Applications ### Primary Applications: - **Precision Machined Components:** Parts requiring extensive machining with tight tolerances - **Cold Formed Parts:** Fasteners, brackets, and stamped components - **Tooling Blanks:** Dies, jigs, fixtures requiring machining before hardening - **Prototype Development:** Material testing and product development phases ### Specific Use Cases: - **Automotive:** Transmission parts, clutch components, brackets - **Industrial Machinery:** Gears, shafts, spindles (before final hardening) - **Construction:** High-strength bolts, anchor rods, connector plates - **General Manufacturing:** Base material for parts requiring subsequent heat treatment ## 4. International Standards & Equivalents ### Primary Specifications: - **AISI/SAE:** 1030 (Standard Grade) - **UNS Designation:** G10300 - **ASTM Standards:** - ASTM A29/A29M (Steel Bars, Carbon and Alloy) - ASTM A510 (General Requirements for Wire Rods) - ASTM A576 (Steel Bars, Hot-Wrought, Carbon) ### International Equivalents: - **ISO:** ISO 683-18 Type 1.0528 / ISO 4954 Grade C30E4 - **DIN (Germany):** 1.0528 / C30 (1.1178 for normalized) - **JIS (Japan):** S30C - **GB (China):** 30# - **BS (UK):** 060A30 / 080M30 ### Heat Treatment Reference Standards: - **Annealing Process:** Typically performed according to ASTM A29 or AM-H-6875 - **Quality Standards:** ISO 9001, IATF 16949 (for automotive applications) ## 5. Available Product Forms ### Standard Forms: - **Round Bars:** 1/8" to 12" diameter (hot-rolled, cold-drawn, turned) - **Flat Bars:** Up to 12" width, various thicknesses - **Sheets/Plates:** 0.5mm to 100mm thickness - **Wire Rod:** Various diameters for drawing or forming - **Billets & Blooms:** For forging or further processing - **Custom Forgings:** Annealed to specification ### Surface Conditions: - Hot-rolled (black) - Pickled and oiled - Cold-drawn (bright) - Rough turned - Centerless ground ## 6. Technical Notes ### Annealing Process Details: 1. **Heating:** Uniform heating to 845°C (1550°F) 2. **Soaking:** 1-2 hours per inch of thickness 3. **Cooling:** Slow furnace cooling (typically ≤25°C/hour to 315°C) 4. **Atmosphere:** Protective or controlled atmosphere recommended ### Quality Assurance: - Chemical analysis certification - Mechanical property testing reports - Hardness testing across sections - Microstructure examination available upon request --- **Disclaimer:** Properties listed are typical values for standard sections. Actual properties may vary based on exact processing parameters, section size, and specific mill chemistry. For critical applications, consultation with metallurgical engineers and comprehensive testing are recommended. This material is not recommended for high-temperature service or corrosive environments without appropriate protection. -:- For detailed product information, please contact sales. -: AISI 1030 Steel, annealed at 845°C (1550°F) Specification Dimensions Size： Diameter 20-1000 mm Length <6033 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: AISI 1030 Steel, annealed at 845°C (1550°F) Properties -:- For detailed product information, please contact sales. -:

Applications of AISI 1030 Steel, annealed at 845°C (1550°F) -:- For detailed product information, please contact sales. -: Chemical Identifiers AISI 1030 Steel, annealed at 845°C (1550°F) -:- For detailed product information, please contact sales. -:

Packing of AISI 1030 Steel, annealed at 845°C (1550°F) -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2504 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition