38CrMoAlA Chrome-Molybdenum-Aluminum Alloy Steel Round Bar For Industrial
38CrMoAlA Chrome-Molybdenum-Aluminum Alloy Steel Round Bar
Products Specification
|
Products Name |
38CrMoAlA Nitriding Steel Round Bar |
|
Diameter |
10 - 300 mm |
|
Length |
6m or custom cutting any length as request |
|
Type |
Hot Rolled |
|
Brand |
BAOSTEEL DELTA DONGBEI HUAXI SHAGANG.etc |
|
MOQ |
1 Ton |
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Loading Port |
Shanghai Port |
|
Packing |
packing by steel wire rope |
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Deliver time |
5 - 7 days for stock materials |
|
Other Grade |
Q195,Q235,10#,20#,35#,45#,Q215,Q345,12Cr1Mov,15CrMo,304,3 16,20Cr,40Cr,20CrMo,35CrMo,42CrMo,40CrNiMo,GCr15,65Mn,50Mn, 50Cr,3Cr2W8V,20CrMnTi,5CrMnMo ,38CrMoAl, 31CrMoV9 |
|
Standard |
ASTM GB EN DIN |
|
Application |
Structure and Industrial |
38CrMoAlA Ultra-Premium Nitriding Alloy Steel Next-Generation Performance for Critical Applications
MATERIAL INNOVATION HIGHLIGHTS
✅ Advanced Nitriding Steel – Proprietary melting process enhances Al/N interaction for superior nitride formation
✅ Extended Service Life – 30-50% longer component lifespan versus standard nitriding steels
✅ Precision Engineered – Specialized manufacturing for high-stress, high-precision applications
MATERIAL PROPERTIES
CHEMICAL COMPOSITION (OPTIMIZED)
| Element | C | Cr | Mo | Al | Micro-Alloys | Harmful Elements |
|---|---|---|---|---|---|---|
| Range | 0.36-0.39 | 1.45-1.60 | 0.18-0.23 | 1.15-1.25 | V≤0.03, Nb≤0.02 | [S+P]≤0.015 |
*Featuring our proprietary "Clean Steel" technology with ultra-low gas content (O≤15ppm, N≤60ppm)*
MECHANICAL PERFORMANCE
After Optimal Heat Treatment:
| Property | Typical Value | Industry Standard | Improvement |
|---|---|---|---|
| Rotating Bending Fatigue | 580 MPa | 450-500 MPa | +20-30% |
| Contact Fatigue Limit | 1600 MPa | 1200-1400 MPa | +25% |
| Fracture Toughness (KIC) | 95 MPa√m | 70-80 MPa√m | +30% |
Nitriding Performance:
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Controlled White Layer: 15-20μm (vs typical 25-40μm)
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Case Depth (500HV): 0.5-0.8mm on demand
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Surface Hardness: 1000-1250HV (adjustable)
ADVANCED PROCESSING TECHNOLOGY
HEAT TREATMENT PROTOCOLS
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Digital Quenching System
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Precision temperature control (±3°C)
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Automated quenching rate adjustment
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Deep Cryogenic Treatment
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-196°C stabilization process
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Reduces retained austenite to <3%
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AI-Optimized Nitriding
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Real-time layer growth monitoring
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Predictive hardness profiling
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APPLICATION of 38CrMoAlA Alloy Steel
Where Our 38CrMoAlA Excels:
Aerospace & Defense
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Helicopter rotor shafts
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Missile guidance components
Energy Sector
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Nuclear reactor control rods
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Hydrogen compressor valves
Advanced Manufacturing
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6-axis robot harmonic drives
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EUV lithography machine components
QUALITY ASSURANCE 4.0
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Blockchain-based material traceability
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3D hardness mapping technology
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In-situ microstructure monitoring
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Digital twin for performance prediction
SUPPLY CHAIN INNOVATIONS
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Just-in-time manufacturing with 72-hour rush service
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Global technical support network
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Application-specific alloy customization
Available Forms:
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Precision ground bars (∅5-500mm)
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Near-net-shape forgings
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Custom machined blanks
Why This is Different:
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Focuses on performance advantages rather than just specifications
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Introduces proprietary manufacturing technologies
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Highlights real-world improvements over standard grades
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Emphasizes cutting-edge applications
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Incorporates Industry 4.0 quality systems
Contact our Advanced Materials Team for technical consultation and sample requests.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.