Main Products: Plastic Mould Steel ,Hot Work Steel ,Cold Work Tool Steel ,Carbon Steel Plate ,Alloy Steel Plate
aisi 4140 carbon alloy steel round bars
USD $800 - $1,500 /Metric Ton
Min.Order:20 Metric Tons
Quick Details View All >
Dongguan Circle Four Metal Materials Co., Ltd.
Business Type: Manufacturer,Trading Company
Dongguan Guangdong ChinaMain Products: Plastic Mould Steel ,Hot Work Steel ,Cold Work Tool Steel ,Carbon Steel Plate ,Alloy Steel PlateProduct Details
aisi 4140 carbon alloy steel round bars detailed products description:
Grade | C | Si | Mn | P | S | Cr | Mo |
42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
2.Available sizes:
Round: Dia. 10 – 1200mm
Flat: Thickness 10 – 120mm, width 305 – 2200mm
Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.
3.Properties:
One of the chromium, molybdenum, manganese low alloy steels noted for toughness, good torsional strength and good fatigue strength
4.Applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.Heat Treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
6.
Mechanical Properties in Quenched and Tempered Condition | |||||
Diameter (mm) | 0.2% proof stress (N/mm²) | Tensile strength (N/mm²) | Elongation (%) | Reduction of area (%) | Notch impact energy (ISO-V) (J) |
Up to 16 | 900 | 1100-1300 | 10 | 40 | 35 |
17–40 | 750 | 1000-1200 | 11 | 45 | 40 |
41–100 | 650 | 900-1100 | 12 | 50 | 40 |
101–160 | 550 | 800-950 | 13 | 50 | 40 |
161-250 | 500 | 750-900 | 14 | 55 | 40 |
7. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
8. Packing situation: standard seaworthy packing or as customer required
9. Delivery time: 10 days after order confirmed
10. Payment: T/T,D/P or L/C at sight.
11. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional)
Contact Supplier
You May Like
New Products
Popular Searches
Recommended Products
Find Similar Products By Category
Facebook
X
Pinterest
Linkedln