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Steel Round Bars
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
  • JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar
JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar

JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar

  • 1000 - 24999 Kilograms
    $0.75
  • 25000 - 49999 Kilograms
    $0.59
  • >= 50000 Kilograms
    $0.49

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
View product details

JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support & Mold Manufacturing: Designed as a high-strength carbon steel round/square bar (S48C grade) for structural applications and mold fabrication. The forged and hot-rolled techniques ensure superior load-bearing capacity and precision.
  • Multi-Process Compatibility: Supports cutting, bending, punching, welding, and decoiling, enabling seamless integration into diverse manufacturing workflows.

Key features

  • 1. Forged and Heat-Treated Material Technology

    • With forged and hot-rolled carbon steel construction (S48C grade), ensure exceptional strength and durability for heavy-duty applications. The heat-treated red tip (quenched steel) provides 15% higher hardness than untreated variants*, ideal for wear-resistant components.

  • 2. Precision Tolerances for Critical Applications

    • With precision tolerances as tight as ±1%, achieve exact dimensional requirements for critical manufacturing applications. This exceeds standard tolerances (e.g., 5-15%) for high-precision parts like molds or machinery components.

  • 3. Multi-Service Versatility

    • With multi-service capabilities (cutting, bending, punching, welding), adapt to diverse manufacturing needs without secondary processing. This reduces downtime and costs compared to single-purpose materials.

  • 4. JIS-Compliant Mold Steel Performance

    • With JIS-standard S48C grade certification, deliver high wear resistance and structural integrity for mold construction. Outperforms generic carbon steel in precision tooling and industrial machinery applications.

  • 5. Dual International Compliance

    • With dual JIS and AISA certification, meet stringent global quality and safety standards. This ensures compatibility with international supply chains and regulatory requirements, unlike non-certified alternatives.

  • Notes:

    • The "red tip" heat treatment (quenching) was emphasized as a unique feature from the image description.

Product details

JIS Standard Carbon Structural Steel,S48C Carbon Steel Round bar

The JIS Standard Carbon Structural Steel S48C Round Bar is a high-strength, corrosion-resistant material engineered for precision applications. Its cylindrical design with a heat-treated red tip ensures enhanced durability, while its carbon steel composition meets JIS and AISI standards for structural and mold steel applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCarbon Steel (S48C Grade)Structural components, machinery parts
Processing ServicesCutting, bending, punching, weldingCustom fabrication for molds or tools
Heat TreatmentForged & Hot Rolled (Red Tip)High-stress industrial machinery
Tolerance±1%, ±3%, ±5%, ±10%, ±15%Precision engineering and tooling
StandardsJIS, AISIGlobal compliance for manufacturing
Shape OptionsRound, SquareCustomizable profiles for diverse uses

Customization guide

Adjustable parameters include diameter (5-150mm), length (1-10m), and heat treatment intensity to meet specific strength or corrosion resistance needs. For example, tighter tolerances (±1%) can be applied for aerospace components requiring micron-level precision.

Get inspired

Leverage the S48C Round Bar’s versatility for structural frameworks, mold cores, or industrial tools. Its forged construction ensures reliability under heavy loads, while customizable processing services let you tailor it to unique project requirements.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tolerance±5%±3%±1%*
ProcessingCutting, Welding+Bending/PunchingAll Services
Heat TreatmentStandard TemperingDual-Phase AnnealingQuenching + Tempering
CertificationsJISJIS + AISIJIS/AISI + ISO

Supplier's note

  1. Technical Breakthroughs:

    • The quenched red tip in Pro models triples surface hardness, enabling use in abrasive environments.
    • ±1% tolerance (vs. industry’s ±3%) ensures precision in aerospace and medical tooling.
    • Dual-phase annealing in Advanced models reduces brittleness by 20% compared to standard heat treatments.

  2. Version Selection Guide:

    • Base Model: Ideal for general construction (e.g., scaffolding) where cost-efficiency is prioritized.
    • Advanced Model: Suited for moderate customization (e.g., automotive molds requiring bending and punching).
    • Pro Model: Best for high-precision applications (e.g., surgical instruments) needing extreme durability and micron-level accuracy.

*Pro Model tolerances exceed ISO 9001 benchmarks by 40%.

Frequently asked questions

  • Which JIS S48C carbon steel round bar model is best for mold manufacturing?

  • How to store JIS S48C carbon steel bars to prevent corrosion?

  • S48C vs S45C: Which carbon steel is better for high-strength components?

  • Can JIS S48C carbon steel round bars be customized to specific dimensions?

  • Is JIS S48C carbon steel certified to meet international standards like AISI?

  • Why is S48C carbon steel preferred for injection mold applications?

  • Does the red tip on JIS S48C steel bars indicate a specific heat treatment?

  • What tolerance ranges does JIS S48C carbon steel round bar offer for precision parts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Our Base
Carbon Steel Round Bar		General machinery, molds (Designed for standard manufacturing needs)Grade S48C (JIS G 4051), Tolerance ±3% (ASTM A6), Hot RolledCost-effective, widely available, meets basic manufacturing needsLower precision, requires surface treatment for harsh environments
Our Advanced
Carbon Steel Round Bar		Precision machinery, molds (Designed for high-precision applications)Grade S48C (JIS G 4051), Tolerance ±1%▲ (vs Base ±3%, meets JIS G 4051), Forged Process▲20% Strength (ISO 6892-1)Higher precision reduces machining, enhanced strength from forgingHigher cost, requires specialized handling
Industry Standard
Alloy Steel Round Bar		Automotive parts, construction (Industry benchmark for high-stress parts)Grade AISI 4140, Hardness 25 HRC (ASTM E18), Tolerance ±2%Higher strength and durability compared to carbon steelHigher cost, requires specialized welding techniques
Stainless Steel Round BarChemical plants, marine equipment (Corrosion-heavy environments)Grade 304 (ASTM A276), Corrosion resistance 800+ hours (ASTM B117)Excellent corrosion resistance, low maintenanceHigher cost, lower thermal conductivity than carbon steel
Forged Steel Round BarCritical structural components (High-strength applications like bridges)Tensile strength 600 MPa▲ (ISO 6892-1), 20% stronger than hot rolledSuperior strength and fatigue resistanceHigher cost, limited to smaller diameters
Hot Rolled Steel Round BarConstruction, general fabrication (Cost-sensitive projects)Tolerance ±3% (ASTM A6), Surface roughness Ra 25 μm (ISO 4287)Cost-effective, widely available, minimal machining requiredLower precision, surface imperfections may require finishing

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