丸鋼市場：材料タイプ別、直径範囲別、製造工程別、最終用途産業別、用途別、流通経路別、地域別

丸鋼市場は、2025年には2,637億3,000万米ドルと推定され、2032年には3,517億5,000万米ドルに達すると予測され、2025年から2032年までのCAGRは4.2%で成長する見込みです。

丸鋼は、強度と耐久性を有する鋼合金から製造される円柱状の棒鋼です。丸鋼は、長くて連続した断面が丸い鋼材で、製造工程でビレットから圧延または押し出し成形されます。汎用性の高いエンジニアリング材料であり、自動車、機械、インフラ、造船など、さまざまな産業で建設目的や部品の製造に広く使用されています。丸鋼は、建物、橋、道路、ダムの建設において、コンクリートを補強する強度と剛性を提供します。また、その機械的特性と成形性により、産業機器、自動車部品、金物、その他の機械部品の製造にも使用されます。建設活動の増加、産業部門の拡大、世界の自動車生産の増加は、近い将来に丸鋼の需要を押し上げると予想される主な要因の一部です。

市場力学：

世界の丸鋼市場は、建設支出の増加や自動車生産の増加などの要因により、予測期間中に大きな成長を示すと予測されています。さらに、開発途上地域の製造業セクターの拡大は、製品需要を増大させると予想されます。さらに、特にアジア太平洋地域における急速な産業成長は、機械設備の需要を増大させ、丸鋼の消費を促進しています。しかし、原料コストの変化や地政学的不確実性による鋼材価格の変動は、市場の成長を抑制する可能性があります。製品の特性を向上させるための製鋼プロセスにおける技術的進歩や、オフショア石油・ガス産業の拡大は、市場企業に有利な機会を提供しています。特に自動車や機械産業における部品やコンポーネントの製造のためのダクタイル鋳鉄への嗜好の高まりは、丸鋼市場企業に増殖の機会をもたらしました。

この調査の主な特徴

• この調査レポートは、世界の丸鋼市場を詳細に分析し、2024年を基準年とした予測期間（2025-2032年）の市場規模および複合年間成長率（CAGR%）を掲載しています。
• また、異なるセグメントにわたる潜在的な収益機会を解明し、この市場の魅力的な投資提案のマトリックスについて説明しています。
• また、市場促進要因、抑制要因、機会、新製品の発売や承認、市場動向、地域別の展望、主要企業が採用する競争戦略などに関する主要考察も提供しています。
• 企業ハイライト、製品ポートフォリオ、主要なハイライト、財務実績、戦略などのパラメータに基づいて、世界の丸鋼市場における主要企業プロファイルを掲載しています。
• このレポートからの洞察は、マーケティング担当者や企業の経営陣が、将来の製品の発売、タイプのアップグレード、市場拡大、マーケティング戦術に関する情報に基づいた意思決定を行うことを可能にします。
• 丸鋼の世界市場レポートは、投資家、サプライヤー、製品メーカー、流通業者、新規参入者、財務アナリストなど、この業界の様々な利害関係者に対応しています。
• 利害関係者は、世界の丸鋼市場の分析に使用される様々な戦略マトリックスを通じて、意思決定が容易になります。

目次

第1章 調査の目的と前提条件

• 調査目的
• 前提条件
• 略語

第2章 市場の展望

• レポートの説明
  • 市場の定義と範囲
• エグゼクティブサマリー
• Coherent Opportunity Map（COM）

第3章 市場力学、規制、動向分析

• 市場力学
  • 促進要因
• インフラ開発
• 建設業界の成長
  • 抑制要因
• 原材料価格の変動
• 激しい競合と価格圧力
  • 機会
• 高強度鋼と特殊鋼の需要増加
• インフラ開発および建設プロジェクト
• 主なハイライト
• 規制シナリオ
• 最近の動向
• 製品の発売/承認
• PEST分析
• PORTERの分析
• 合併、買収、提携

第4章 世界の丸鋼市場、材料タイプ別、2020年～2032年

• 炭素丸鋼
• 合金丸鋼
• ステンレス丸鋼
• 工具丸鋼
• その他の材料タイプ

第5章 世界の丸鋼市場、直径範囲別、2020年～2032年

• 小径丸棒（20mm以下）
• 中径丸棒（20mm～100mm）
• 大径丸棒（100mm以上）

第6章 世界の丸鋼市場、製造工程別、2020年～2032年

• 熱間圧延丸棒
• 冷間圧延丸棒
• 鍛造丸棒

第7章 世界の丸鋼市場、最終用途産業別、2020-2032年

• 建設
• 自動車
• 製造業
• 石油・ガス
• 航空宇宙
• エネルギーと発電
• 鉱業と金属採掘
• 造船
• その他

第8章 世界の丸鋼市場、用途別、2020年～2032年

• 構造部品
• シャフトと車軸
• ファスナーとボルト
• ギアとベアリング
• 工具と金型
• スプリングとコネクタ
• その他

第9章 世界の丸鋼市場、流通経路別、2020年～2032年

• 直接販売（メーカーからエンドユーザーへ）
• 販売代理店/卸売業者
• オンライン小売業者
• その他

第10章 世界の丸鋼市場、地域別、2020年～2032年

• 北米
  • 米国
  • カナダ
• 欧州
• ドイツ
• 英国
• スペイン
• フランス
• イタリア
• ロシア
• その他欧州
• アジア太平洋
  • 中国
  • インド
  • 日本
  • オーストラリア
  • 韓国
  • ASEAN
  • その他アジア太平洋地域
• ラテンアメリカ
  • ブラジル
  • アルゼンチン
  • メキシコ
  • その他ラテンアメリカ
• 中東・アフリカ
  • GCC諸国
  • イスラエル
  • 南アフリカ
  • 北アフリカ
  • 中央アフリカ
  • その他中東

第11章 競合情勢

• 企業プロファイル
  • ArcelorMittl
  • Nippon Steel Corporation
  • POSCO
  • Tata Steel
  • Baosteel Group Corporation
  • JFE Steel Corporation
  • Thyssenkrupp AG
  • Nucor Corporation
  • Hyundai Steel
  • SAIL（Steel Authority of India Limited）
  • Outokumpu Oyj
  • Gerdau SA
  • SSAB AB
  • Acerinox SA
  • Tenaris SA

第12章 セクション

• 参考文献
• 調査手法
• 出版社について

Steel Round Bars Market is estimated to be valued at USD 263.73 Bn in 2025 and is expected to reach USD 351.75 Bn by 2032, growing at a compound annual growth rate (CAGR) of 4.2% from 2025 to 2032.

Steel round bars are cylindrical bars that are produced from steel alloys that possess strength and durability properties. Steel round bars are long, continuous, round in cross-section steel products that are rolled or extruded from billets during the manufacturing process.These are versatile engineering materials that are widely used for construction purposes and manufacturing of components in diverse industries such as automotive, machinery, infrastructure and shipbuilding. Steel round bars provide strength and rigidity to reinforce concrete in construction of buildings, bridges, roads and dams. These are also used in manufacturing industrial equipment, automotive components, hardware items and other machinery parts, owing to their mechanical properties and formability. Rising construction activities, expanding industrial sector and increasing global automobile production are some of the key factors that are expected to boost demand for steel round bars in the near future.

Market Dynamics:

Global steel round bars market is projected to witness significant growth during the forecast period owing to factors such as growing construction spending and rising automotive production. Furthermore, expanding manufacturing sector across developing regions is expected to augment the product demand. Additionally, rapid industrial growth especially in Asia Pacific has augmented the demand for machinery and equipment, thus propelling the consumption of steel round bars. However, volatility in steel prices due to changing raw material costs and geopolitical uncertainties may restrain the market growth. Technological advancements in steel making processes to enhance product properties and expanding offshore oil and gas industry offers lucrative opportunities for market players.The growing preference for ductile iron for manufacturing of parts and components particularly in automotive and machinery industries has led to proliferating opportunities for steel round bars market players.

Key features of the study:

• This report provides in-depth analysis of the global steel round bars market, and provides market size (US$ Bn) and compound annual growth rate (CAGR%) for the forecast period (2025-2032), considering 2024 as the base year
• It elucidates potential revenue opportunities across different segments and explains attractive investment proposition matrices for this market
• This study also provides key insights about market drivers, restraints, opportunities, new product launches or approval, market trends, regional outlook, and competitive strategies adopted by key players
• It profiles key players in the global steel round bars market based on the following parameters - company highlights, products portfolio, key highlights, financial performance, and strategies
• Key companies covered as a part of this study include ArcelorMittal, Nippon Steel Corporation, POSCO, Tata Steel, Baosteel Group Corporation, JFE Steel Corporation, Thyssenkrupp AG, Nucor Corporation, Hyundai Steel, SAIL (Steel Authority of India Limited), Outokumpu Oyj, Gerdau S.A., SSAB AB, Acerinox S.A., and Tenaris S.A.
• Insights from this report would allow marketers and the management authorities of the companies to make informed decisions regarding their future product launches, type up-gradation, market expansion, and marketing tactics
• Global steel round bars market report caters to various stakeholders in this industry including investors, suppliers, product manufacturers, distributors, new entrants, and financial analysts
• Stakeholders would have ease in decision-making through various strategy matrices used in analyzing the global steel round bars market.

Steel Round Bars Market Detailed Segmentation:

• By Material Type
  • Carbon Steel Round Bars
  • Alloy Steel Round Bars
  • Stainless Steel Round Bars
  • Tool Steel Round Bars
  • Other Material Types
• By Diameter Range
  • Small-Diameter Round Bars (below 20mm)
  • Medium-Diameter Round Bars (20mm to 100mm)
  • Large-Diameter Round Bars (above 100mm)
• By Manufacturing Process
  • Hot Rolled Round Bars
  • Cold Rolled Round Bars
  • Forged Round Bars
• By End-use Industry
  • Construction
  • Automotive
  • Manufacturing
  • Oil and Gas
  • Aerospace
  • Energy and Power Generation
  • Mining and Metal Extraction
  • Shipbuilding
  • Others
• By Application
  • Structural Components
  • Shafts and Axles
  • Fasteners and Bolts
  • Gears and Bearings
  • Tools and Dies
  • Springs and Connectors
  • Others
• By Distribution Channel
  • Direct Sales (Manufacturer to End User)
  • Distributors/Wholesalers
  • Online Retailers
  • Others
• By Region
  • North America
  • Europe
  • Asia Pacific
  • Latin America
  • Middle East & Africa
• Company Profiles:
  • ArcelorMittl.
  • Nippon Steel Corporation
  • POSCO
  • Tata Steel
  • Baosteel Group Corporation
  • JFE Steel Corporation
  • Thyssenkrupp AG
  • Nucor Corporation
  • Hyundai Steel
  • SAIL (Steel Authority of India Limited)
  • Outokumpu Oyj
  • Gerdau S.A.
  • SSAB AB
  • Acerinox S.A.
  • Tenaris S.A.

Table of Contents

1. Research Objectives and Assumptions

• Research Objectives
• Assumptions
• Abbreviations

2. Market Purview

• Report Description
  • Market Definition and Scope
• Executive Summary
  • Market Snippet, By Material Type
  • Market Snippet, By Diameter Range
  • Market Snippet, By Manufacturing Process
  • Market Snippet, By End-use Industry
  • Market Snippet, By Application
  • Market Snippet, By Distribution Channel
  • Market Snippet, By Region
• Coherent Opportunity Map (COM)

3. Market Dynamics, Regulations, and Trends Analysis

• Market Dynamics
  • Drivers
• Infrastructure Development
• Construction Industry Growth
  • Restraints
• Fluctuating Raw Material Prices
• Intense Competition and Price Pressure
  • Opportunities
• Growing Demand for High-Strength and Specialty Steel
• Infrastructure Development and Construction Projects
• Key Highlights
• Regulatory Scenario
• Recent Trends
• Product Launches/Approvals
• PEST Analysis
• PORTER's Analysis
• Mergers, Acquisitions, Collaborations

4. Global Steel Round Bars Market, By Material Type, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Carbon Steel Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Alloy Steel Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Stainless Steel Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Tool Steel Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Other Material Types
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

5. Global Steel Round Bars Market, By Diameter Range, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Small-Diameter Round Bars (below 20mm)
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Medium-Diameter Round Bars (20mm to 100mm)
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Large-Diameter Round Bars (above 100mm)
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

6. Global Steel Round Bars Market, By Manufacturing Process, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Hot Rolled Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Cold Rolled Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Forged Round Bars
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

7. Global Steel Round Bars Market, By End-use Industry, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Construction
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)'
• Automotive
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Manufacturing
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032,(US$ Bn)
• Oil and Gas
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Aerospace
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Energy and Power Generation
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Mining and Metal Extraction
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Shipbuilding
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Others
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

8. Global Steel Round Bars Market, By Application, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Structural Components
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)'
• Shafts and Axles
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Fasteners and Bolts
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Gears and Bearings
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Tools and Dies
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Springs and Connectors
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Others
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

9. Global Steel Round Bars Market, By Distribution Channel, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, 2021 - 2032
  • Segment Trends
• Direct Sales (Manufacturer to End User)
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Distributors/Wholesalers
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Online Retailers
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)
• Others
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, 2020-2032, (US$ Bn)

10. Global Steel Round Bars Market, By Region, 2020-2032, (US$ Bn)

• Introduction
  • Market Share Analysis, By Region, 2025 and 2032 (%)
  • Y-o-Y Growth Analysis, For Region, 2021 -2032
  • Country Trends
• North America
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, By Material Type, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Diameter Range, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Manufacturing Process, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By End-use Industry, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Application, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Distribution Channel, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Country, 2020-2032, (US$ Bn)
    • U.S.
    • Canada
• Europe
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, By Material Type, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Diameter Range, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Manufacturing Process, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By End-use Industry, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Application, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Distribution Channel, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Country, 2020-2032, (US$ Bn)
• Germany
• U.K.
• Spain
• France
• Italy
• Russia
• Rest of Europe
• Asia Pacific
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, By Material Type, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Diameter Range, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Manufacturing Process, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By End-use Industry, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Application, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Distribution Channel, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Country, 2020-2032, (US$ Bn)
    • China
    • India
    • Japan
    • Australia
    • South Korea
    • ASEAN
    • Rest of Asia Pacific
• Latin America
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, By Material Type, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Diameter Range, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Manufacturing Process, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By End-use Industry, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Application, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Distribution Channel, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Country, 2020-2032, (US$ Bn)
    • Brazil
    • Argentina
    • Mexico
    • Rest of Latin America
• Middle East & Africa
  • Introduction
  • Market Size and Forecast, and Y-o-Y Growth, By Material Type, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Diameter Range, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Manufacturing Process, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By End-use Industry, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Application, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Distribution Channel, 2020-2032, (US$ Bn)
  • Market Size and Forecast, and Y-o-Y Growth, By Country, 2020-2032, (US$ Bn)
    • GCC Countries
    • Israel
    • South Africa
    • North Africa
    • Central Africa
    • Rest of Middle East

11. Competitive Landscape

• Company Profile
  • ArcelorMittl
• Company Highlights
• Product Portfolio
• Key Developments
• Financial Performance
• Strategies
  • Nippon Steel Corporation
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • POSCO
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Tata Steel
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Baosteel Group Corporation
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • JFE Steel Corporation
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Thyssenkrupp AG
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Nucor Corporation
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Hyundai Steel
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • SAIL (Steel Authority of India Limited)
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Outokumpu Oyj
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Gerdau S.A.
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • SSAB AB
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Acerinox S.A.
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Tenaris S.A.
• Company Highlights
• Product Portfolio
• Key Highlights
• Financial Performance
• Strategies
  • Analyst Views

12. Section

• References
• Research Methodology
• About us