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42CrMo4 Alloy Steel Plate Bar Square Metal EN Standard Q+T Finishing Steel Plate
| Place of Origin | China |
|---|---|
| Brand Name | BAOSTEEL BENSTEEL HBIS XINGCHENG |
| Certification | ISO 9001 |
| Model Number | 42CrMo4 |
| Minimum Order Quantity | 500 kgs |
| Price | 780 - 940USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 20Ton per week |
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xProduct Details
| Products | 42CrMo4 Alloy Steel Plate | Thickness | 10.0 - 200.0mm |
|---|---|---|---|
| Width | 1000-2200mm | Length | 2000-12000mm |
| Standard | ASTM EN GB | Other Material | Carbon Steel, Alloy Steel, Stainless Steel |
| Brand | BAOSTEEL XINYU XINGCHENG HBIS | Service | Cutting |
| Highlight | Q+T Finishing Steel Plate,EN Standard Steel Plate,42CrMo4 Steel Plate |
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Product Description
42CrMo4 Alloy Steel Plate Bar Square Metal EN Standard Q+T Finishing Steel Plate
Products Specification of Steel Plate
| Products Name | 42CrMo4 Alloy Steel Plate |
| Thickness | 10.0 - 200.0mm |
| Width | 100 - 2200mm custom cutting any size as request |
| Length | 6m 8m 10m 11.5m 12m or cutting any length as request |
| Standard | ASTM JIS GB EN |
| MOQ | 500 Kgs |
| Deliver time | 7 - 14 days |
| Loading Port | Shanghai Port |
| Packing | wooden pallets |
| Other Grade | AR400 / AR450 / AR500 / AR600 NM400 NM450 NM500 NM600 |
| Service | Cutting, Heat treatment |
42CrMo4 steel belongs to ultra-high strength steel, which has high strength and toughness, good hardenability, no obvious tempering brittleness, high fatigue limit and multiple impact resistance ability after tempering and tempering treatment, and good impact toughness at low temperature.
42CrMo4 steel is suitable for large and medium sized plastic molds which require certain strength and toughness.
Grade: 42CrMo4
Execution Standard: EN 10083/3-2006
Features: High strength, hardenability, good toughness
Advantages: Good machinability, easy polishing, easy to bite
Type: Industrial materials
Function: big gear for locomotive traction, turbocharger transmission gear, rear axle, etc
42CrMo4 is an industrial material.Is used to manufacture forgings with higher strength and larger cross-section than 35CrMo steel, such as big gear for locomotive traction, turbocharger transmission gear, rear shaft, connecting rod and spring clamp with great load.
42CrMo4 can also be used for drilling pipe joints and fishing tools in deep oil Wells below 2000m.
Executive standard :EN 10083/3-2006
42CrMo4 Characteristics:
Has high strength, hardenability, good toughness, small deformation during quenching, high creep strength and endurance strength at high temperature.
42CrMo4 steel is an improvement of American AISI standard 4140 steel. The steel has good machinability, easy polishing, easy to bite and can be electroplated.
42CrMo4 alloy steel(Bar,Plate,Square) is suitable for large and medium sized plastic molds which require certain strength and toughness.
42CrMo4 Alloy Steel Chemical Composition
| 42CrMo4/1.7225 | C | Mn | Si | P | S | Cr | Mo |
| 0.38-0.45 | 0.60-0.90 | 0.40 max | 0.035 max | 0.035 max | 0.90-1.20 | 0.15-0.30 |
DIN 42CrMo4 Alloy Steel Mechanical Properties
| Size Ø mm | Yield stress Rp0.2,N/nn2, min. |
Ultimate tensile Stress, Rm,N/nn2 |
Elongation A5,%, min. |
Hardness HB | Toughness KV, Joule, min. |
||||||||||
| <40 | 750 | 1000-1200 | 11 | 295-355 | 35 at 20ºC | ||||||||||
| 40-95 | 650 | 900-1100 | 12 | 265-325 | 35 at 20ºC | ||||||||||
| >95 | 550 | 800-950 | 13 | 235-295 | 35 at 20ºC | ||||||||||
BS EN 42CrMo4 Alloy Steel Relevant Specifications and Equivalents
| BS EN 10250 | Material No. | DIN | ASTM A29 | JIS G4105 | BS 970-3-1991 | BS 970-1955 | AS 1444 | AFNOR |
| 42CrMo4 | 1.7225 | 38HM | 4140 | SCM440 | 708M40 | EN19A | 4140 | 42CD4 |
42CrMo4 Heat treatment recommendations
| Treatment | Condition | Temperature cycle | Cooling/quenching |
|---|---|---|---|
| Hot forging | +U | 850-1050°C | In air |
| Soft annealing | +A | 680-720°C | Slowly ( 15°C/h) until 600°C |
| Stress relieve annealing | +SRA | 450-650°C | In air |
| Quench & Tempering | +QT | 840-880°C | In oil or water. Temper in 540-680°C |
| Stress relieve annealing | +SRA | 150-180°C ( after Induction Hardening ) | In air |
Weldability
Engineering steel 42CrMo4 has only limited weldability. Preheating to 200-300°C is strongly recommended; the upper limit should not be exceeded because of risk for deterioration of the chrome layer.
Can be friction welded. However, precautions are necessary so as to limit the formation of undesirable microstructures in the welded zone.
Supply Range
Round bar Sizes: 10mm – 3000mm
Flat and Plate: 10mm-1500mm thickness x 200-3000mm width
Other steel shape and sizes available according to your requirements.
| Youngs module (GPa) | Poisson´s ratio (-) | Shear module (GPa) | Density (kg/m3) |
|---|---|---|---|
| 210 | 0.3 | 80 | 7800 |
| Average CTE 20-300°C (µm/m°K) | Specific heat capacity 50/100°C (J/kg°K) | Thermal conductivity Ambient temperature (W/m°K) | Electrical resistivityAmbient temperature (µΩm) |
| 12 | 460 – 480 | 40 – 45 | 0.20 – 0.25 |
Testing and packaging
Testing and packaging are considered one of the most critical steps of the manufacturing process.
We do several tests and inspections to check the quality of 42CrMo4 steel round bar. Tests done depend on the requirement of the users. Those quality tests can include chemical composition test, physical test, visual inspection, macro and micro test, NDT test and ultrasonic test depending on the requirement of the customers. We can also arrange third-party inspection if required. A test certificate is given for each consignment for the tests conducted.
At last, we bundle or pack the 42CrMo4 round bar to prevent damage at the time of transportation.
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