4130 Chromium Molybdenum Steel Round Pipe
Outside Diameter: 4 to 219mm
Wall Thickness:0.5 to 20mm
Length:Single, Double Random & Cut Length
Schedule: 5 to XXH
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GNEE 4130 chromium molybdenum Round Pipe introduce
4130 chromium molybdenum steel Pipe
4130 Alloy Steel Pipe is a low alloy steel that contains chromium and molybdenum as strengthening agents. It combines strength, toughness and weldability, making it ideal for applications such as aerospace, automotive, oil and gas that require high strength and durability. The alloy is also known for its excellent fatigue resistance and is often used to manufacture structural components such as frames, shafts and pipes. In addition, 4130 steel can be heat treated to enhance its mechanical properties, further improving its performance in harsh environments.
GNEE Alloy 4130 chromium molybdenum steel Round Pipe Specification Sheet
4130 Chromoly Steel Tubing Technical Specifications
| Property Category | Detailed Parameters / Description |
|---|---|
| Standard Dimensions | OD (mm): 6 – 500 (customizable) Wall Thickness (mm): 1 – 50 Length (m): 6 (standard), customizable up to 12 |
| Governing Standards | - ASTM A519 (Seamless Mechanical Tubing) - AMS 6371 (Aerospace) - EN 10297 (EU) - DIN 17200 (Germany) |
| Surface Treatment | - Pickled & Phosphated (anti-rust) - Sandblasted/Shot Peened (adhesion prep) - Zinc Plated (corrosion resist.) - Precision Ground/Polished |
| Hardness | - Annealed: 170-220 HB - Quenched & Tempered (Q&T): 25-32 HRC (≈250-320 HB) Varies with heat treatment |
| Density | 7.85 g/cm³ (equivalent to carbon steel) |
| Material Composition | Typical Chemistry (ASTM A519): - C: 0.28-0.33% - Mn: 0.40-0.60% - Cr: 0.80-1.10% - Mo: 0.15-0.25% - Si: 0.15-0.35% - P/S: ≤0.035% |
| Mechanical Properties | Q&T Condition: - Tensile Strength: ≥670 MPa - Yield Strength: ≥435 MPa - Elongation: ≥12% |
| Primary Applications | Aerospace: Landing gear, engine mounts Automotive: Roll cages, drive shafts Industrial: Hydraulic cylinders, high-pressure lines Energy: Drill collars, valve components Sports: Bicycle frames, racing chassis |
Composition Specifications of AISI 4130
|
Range |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
Min |
0.28 |
0.15 |
0.4 |
- |
- |
0.8 |
0.15 |
|
Max |
0.33 |
0.35 |
0.6 |
0.035 |
0.04 |
1.1 |
0.25 |
GNEE 4130 chrome moly steel Round Pipe Schedule
Outside Diameter of 4130 Alloy Steel Seamless Pipe
| Size | Under | Over | ||
|---|---|---|---|---|
| inch | mm | inch | mm | |
| 1/8 to 1 1/2 | 1/64 (0.015) | 0.40 | 1/64 (0.015) | 0.40 |
| Over 4 to 8 | 1/32 (0.031) | 0.79 | 1/16 (0.062) | 1.59 |
| Over 12 [300] | +/- 1% of OD | |||
| Over 8 to 12 | 1/32 (0.031) | 0.79 | 3/32 (0.093) | 2.38 |
| Over 1 1/2 to 4 | 1/32 (0.031) | 0.79 | 1/32 (0.031) | 0.79 |
GNEE Group Factory Environment
GNEE Group 4130 chromium steel Round Pipe Factory Environment
GNEE Group 4130 chromium molybdenum Pipe Packaging
GNEE Group 4130 chromium Pipe Packaging
GNEE Group Testing
GNEE Group 4130 crmo steel Round Pipe Testing
FAQ
1. What is 4130 chrome-molybdenum steel used for?
4130 chrome-molybdenum steel (Chromoly) cold-drawn seamless round tube is one of the most widely used steel tubes in the manufacture of racing chassis and roll cages. Its excellent strength-to-weight ratio has been the preferred choice of racing car and aircraft manufacturers since the early 20th century.
2. Is chrome-molybdenum steel better than steel?
What distinguishes chrome-molybdenum steel from other types of steel is its higher tensile strength. This means it can withstand greater forces without breaking or deforming. It also has better corrosion resistance, making it ideal for applications exposed to harsh environments or moisture.
3. Will 4130 chrome-molybdenum steel rust?
Both 4140 and 4130 steels are low-alloy steels that have excellent strength, toughness, and corrosion resistance.
4. Is 4130 a carbon steel?
4130 carbon steel is a low-carbon steel with a carbon content of approximately 0.3%. 4130 is also an alloy steel with chromium and molybdenum as strengthening agents. This steel is easy to weld and can be heat treated more easily than other mild steels.
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