ステンレス丸棒

標準 ASTM,AISI,彼らの,彼,で,から,BS,GB
ラウンド, 四角, 矩形
学年 201/202/304/309/309S/310/310S/304/304L/
316/316L/316Ti/410/420/430
直径 1mm-300mmまたは必要に応じて
長さ 必要に応じて
容器サイズ 20フィートGP:5898mm(長さ)×2352mm(幅)×2393mm(高い) 24-26CBM 40フィート GP:12032mm(長さ)×2352mm(幅)×2393mm(高い) 54CBM 40フィート HC:12032mm(長さ)×2352mm(幅)×2698mm(高い) 68CBM
追加サービス 溶接・打ち抜き・切断・曲げ・巻き取り
パッケージの詳細 標準耐航パッケージ(耐水紙で保護されている,鉄板に包まれて, 鉄筋で固定されている)

Stainless steel round bar is widely used in machining, 工事, 自動車部品, ファスナー, および産業機器製造. One of the most important selection factors is material grade, because different stainless steel grades determine corrosion resistance, 強さ, 被削性, and application range. Common stainless steel round bar grades mainly come from austenitic, フェライト系, マルテンサイト系, and duplex families.

Austenitic Stainless Steel Grades

Austenitic grades are the most widely used stainless steel materials for round bars due to their excellent corrosion resistance and good formability.

  • 304 / 304L: general-purpose grade, widely used in machinery and construction
  • 316 / 316L: 耐食性の向上, especially for marine and chemical environments
  • 303: free-machining grade with added sulfur for better machining performance
  • 321: titanium-stabilized grade for high-temperature applications
  • 310 / 310S: high-temperature resistant grade for furnace and heat treatment parts

Ferritic Stainless Steel Grades

  • 430: commonly used ferritic grade with good corrosion resistance in mild environments
  • 439: improved weldability and corrosion resistance compared to 430
  • 409: widely used in automotive exhaust systems
  • 444: enhanced corrosion resistance with molybdenum addition

Martensitic Stainless Steel Grades

Martensitic stainless steels are known for high strength and hardness after heat treatment, making them suitable for wear-resistant and structural applications.

  • 410: basic martensitic grade with good hardness
  • 420: higher carbon content for improved wear resistance
  • 431: improved corrosion resistance and toughness

Duplex Stainless Steel Grades

  • 2205: most common duplex grade with high strength and corrosion resistance
  • 2507 (スーパーデュプレックス): extremely high resistance to chloride corrosion and pitting

Why These Grades Are Common for Round Bar

  • Wide availability from global mills
  • Balanced mechanical properties for machining and structure
  • Different corrosion resistance levels for different environments
  • Suitable for cutting, 旋回, and CNC machining

代表的な用途

  • Mechanical shafts and rotating parts
  • ファスナーとボルト
  • 自動車部品
  • 船舶用機器
  • Chemical and industrial machinery

ステンレス丸棒

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ステンレス丸棒 切断して供給することができます, 研磨, 機械加工, 熱処理, and customized size production according to project requirements.

よくある質問

1. What are the most common stainless steel round bar grades?

304, 316, 303, 321, 410, 420, そして 2205 are the most commonly used grades.

2. Which grade is best for machining?

303 stainless steel is widely used for machining due to its free-cutting properties.

3. Which grade has the best corrosion resistance?

316L and duplex grades such as 2205 offer excellent corrosion resistance.

4. Can stainless steel round bars be heat treated?

はい, especially martensitic grades like 410 そして 420.

5. Which grade is most widely used overall?

304 stainless steel is the most widely used general-purpose grade.

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