SAE4140/AISI4140 Alloy Steel
SCM440
SAE4140/AISI4140 class is a low-alloy metal which include chromium and molybdenum while strengthening elements which often has fine strength as well as toughness, ductility, weldability and also machinability. SAE4140/AISI4140 is commonly used in the vehicle, agricultural, oil and propane industry. Common uses are generally forged equipment and shafts, spindles, lighting fixtures, jigs along with collars.
SCM440
Regulating For SAE4140
1. Minimal normalizing temperatures: 840-880°C
second . Hold the actual temperature for several time
3. Cooling in the particular air
Annealing For SAE4140
1. Small Annealing heat: 790-840°C
2 . not Cool slowly and gradually in the furance
several. Maximum Brinell firmness associated with 225
Hardening in addition to Tempering(QT) For SAE4140
one Tiny Hardening temperature: 830-860°C
two. Hold at this temp then quench in olive oil or water
3. Tempering as soon as probable when the temperature very low to ambient
4. Temperature uniformly to the appropriate heat range of 540-680°C
your five. keep material out regarding the furnace, subsequently amazing in the air
Tension Ease For SAE4140
one. Moderate Stress Relieve temperatures from the Quenched and Tempered issue: about 30-50°C listed below the tempering temperature.
a couple of.. Nominal Anxiety Relieve heat in the Annealed ailment: 600-650°C
3. Soothing throughout the air.
Mechanical Property( intended for reference only)
a single. Tensile strength: 850-1000MPa
only two. Generate point: Min665MPa
three or more. Proportion reduction of spot soon after fracture: 52%
some. Elongation after fracture: 13%
5 various. Impact test (+20°C): Transverse - 26~42J; Largura rapid 49~55J
Delivery Issue
1 ) Shape: Round/Square or Flat/Shafts/Rollers/Blocks
2. Surface problem: African american surface/Bright surface
three. Warmth Treatment: Normalized/Annealed/QT
5. Straightness: Max 3mm/m(Enhanced straightness can be available on request)
5. Span: 3000-5800mm ideal for 20″container. earlier mentioned 6000mm, suitable for 40″ marijuana
6. Grain Size: 5-8 acc to ASTM E112-96
7. Ultrasonic Standard: Sep1921/ASTM A388/EN 10228-3
8. Standard Hardness: HB269-302
9. Low Metallic Inclusion: 2 greatest extent acc to ASTM E45 /K4≤20 acc to NOISE 50602
10. Forging Rate: minimum 4: 1
14. Ingot Melting: EAF+LF+VD
16. Marking: Grade/Weight/Length/Size/Heat Number
Good quality Certification
A material examination report(Inspection Certificate EN 10204 3. 1) will always be presented, documenting the pursuing:
1. Compound analysis
3. Mechanical components
3. Exterior hardness
four. Non Material Inclusion
five. Heat Cure Process
some. Grain dimensions
7. Forging ratio
6. NDE check method/criteria
SAE4140/AISI4140 alloy iron manufacturers as well as suppliers, provided with round equipment, square/flat cafes, rollers, shafts, blocks and also forging bits.