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ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe
  • ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe
  • ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe
  • ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe
  • ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe
ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe

ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe

起源の場所 中国
ブランド名 JOYRUNS
証明 ISO9001
モデル番号 20MMから140MM
プロダクト細部
直径範囲:
20mm～140mm
製品の機能:
バラエティ
応用:
空間、熱交換器
合金かどうか:
合金
クラフト:
冷たい-引き分けか冷間圧延される
鋼管:
ボイラー合金鋼管
端のタイプ:
斜め
製品の説明

ASTM A519 SAE4130 Precision Steel Pipe (20mm-140mm) - High-Strength Alloy Steel Pipe

ASTM A519 SAE4130 precision steel pipe is a high-performance low-alloy chromium-molybdenum steel pipe, manufactured in strict accordance with ASTM A519 standard. With an outer diameter ranging from 20mm to 140mm, this SAE4130 steel pipe features excellent strength, toughness and hardenability, widely used in mechanical engineering, automotive, aerospace and high-pressure equipment fields. As a professional supplier, we provide high-quality ASTM A519 SAE4130 steel pipes with stable performance and reliable quality, meeting the strict requirements of various industrial applications.

Product Core Information

The ASTM A519 SAE4130 steel pipe is made of SAE4130 alloy steel, a low-alloy material with chromium and molybdenum elements, which ensures excellent mechanical properties and processing performance. The product covers an outer diameter of 20mm to 140mm, suitable for large and medium-sized mechanical parts and high-pressure components, supporting customized processing and small-batch orders to meet diverse customer needs.
  • Executive Standard: ASTM A519
  • Material: SAE4130 (low-alloy chromium-molybdenum steel)
  • Outer Diameter: 20mm - 140mm
  • Core Features: High strength, good toughness, excellent hardenability, wear resistance and high-temperature resistance
  • Application Fields: Mechanical engineering, automotive components, aerospace parts, high-pressure pipelines, drilling equipment, and other high-load, high-stress working scenarios

Chemical Composition of SAE4130 (ASTM A519 Standard)

Chemical Element
Mass Fraction (%)
Carbon (C)
0.28 ~ 0.33
Silicon (Si)
0.15 ~ 0.35
Manganese (Mn)
0.40 ~ 0.60
Phosphorus (P)
≤ 0.030
Sulfur (S)
≤ 0.040
Chromium (Cr)
0.80 ~ 1.10
Molybdenum (Mo)
0.15 ~ 0.25
Nickel (Ni)
≤ 0.25
Copper (Cu)
≤ 0.35

Mechanical Properties of ASTM A519 SAE4130 Steel Pipe (After Quenching & Tempering)

Mechanical Index
Specification
Tensile Strength (σb)
≥ 930 MPa
Yield Strength (σs)
≥ 730 MPa
Elongation (δ5)
≥ 12 %
Reduction of Area (ψ)
≥ 50 %
Impact Energy (Akv)
≥ 71 J
Hardness (HB)
≤ 230 HB

Chemical Composition Comparison: SAE4130 vs Domestic Alternative Material (30CrMo)

SAE4130 (ASTM A519) can be replaced by domestic 30CrMo steel in most industrial scenarios, with similar chemical composition and mechanical properties. The specific comparison is shown in the table below:
Chemical Element
SAE4130 (ASTM A519) (%)
Domestic 30CrMo (%)
Carbon (C)
0.28 ~ 0.33
0.28 ~ 0.35
Silicon (Si)
0.15 ~ 0.35
0.17 ~ 0.37
Manganese (Mn)
0.40 ~ 0.60
0.40 ~ 0.70
Phosphorus (P)
≤ 0.030
≤ 0.035
Sulfur (S)
≤ 0.040
≤ 0.035
Chromium (Cr)
0.80 ~ 1.10
0.80 ~ 1.10
Molybdenum (Mo)
0.15 ~ 0.25
0.15 ~ 0.25

Product Advantages

  • Compliance with ASTM A519 standard: Strictly follow the international standard for production and testing, ensuring stable product quality and consistent performance.
  • High-quality SAE4130 material: The addition of chromium and molybdenum elements enhances the steel pipe's strength, toughness and hardenability, suitable for high-load and high-pressure working environments.
  • Wide size range: Outer diameter from 20mm to 140mm, covering most industrial application needs, supporting customized processing according to customer requirements.
  • Good processability: Easy to cut, weld, quench and temper, reducing processing difficulty and improving production efficiency for customers.
  • Cost-effective alternative: Domestic 30CrMo can be used as a substitute, reducing procurement costs while ensuring performance requirements are met.

Application Scenarios

ASTM A519 SAE4130 precision steel pipe is widely used in various industrial fields due to its excellent comprehensive performance, including but not limited to: automotive transmission shafts, engine components, high-pressure hydraulic pipelines, drilling tools, aerospace structural parts, mechanical gears, and high-load bearings. It can withstand high temperature, high pressure and frequent mechanical wear, providing reliable support for the stable operation of equipment.

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