Low Alloy High Strength Steel Plate / High Alloy Steel Plate & Coils Allloy 4140 Width 1500mm 1800mm 2000mm 2200mm
Brand Name:BAOSTEEL BENSTEEL HBIS XINGCHENG
Certification:ISO 9001
Model Number:Carbon Steel , Alloy Steel
Minimum Order Quantity:10 kgs
Delivery Time:5 - 12 days based on the quantity
Payment Terms:L/C, T/T, Western Union
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Low Alloy High Strength Steel Plate / High Alloy Steel Plate & Coils Grade 4140 Width 1500mm 1800mm 2000mm 2200mm
Alloy Steel Plate Standard Description
| COMMODITY NAME | GRADES |
| Low Alloy High Strength Steel Plate | 12Mn,15MnVN,16Mn,15MnV,14MnNb |
| Q295(A,B),Q345(A,B,C,D,E)Q390(A,B,C,D,E),Q420(A,B,C,D,E),Q460(C,D,E) | |
| Q500(D,E),Q550(D,E),Q620(D,E),Q690(D,E) | |
| SM490(A,B,C),SM490Y(A,B),SM520(B,C),SM570 | |
| St44-3,St52-3,St50-2, St60-2,St70-2 | |
| StE315,StE355,StE380,STe420,StE460,StE500 | |
| A572M(Gr42.50,60,65),A633M9(A,B,C,D,E) | |
| S275(JR,JO,J2G3,J2G4),S355(JR,JO,J2G3,J2G4,E395,E355,E360) | |
| S275N,S275NL,S355N,S355NL,S420N,S420NL,S460N,S460NL | |
| 50(A,B,C,D,DD,EE,F),43(A,B,C,D,EE),55(C,EE,F) | |
| Fe430(A,B,C,D),Fe510(B,C,D) | |
| WH60,WH410LK(BB41BF),WH490LK(BB503),Q550CFC | |
| WDB690,WDB780,WH70,WH80 IE0650,IE1006,SHT60 | |
| Alloy Structure Steel Plate | 15CrMo,20CrMo,30CrMo,35CrMo,20Cr,40Cr,20Mn2,40Mn2,20CrMnMo,12Cr1MoV, 2MnSi30CrMnSiA,12CrMoVNi(RQ65),50Mn2V,42CrMo |
| 25CrMo4,34CrMo4,42CrMo4 |
An alloy steel sheet is produced through an alloying process in which different elements are added to produce a material with specific properties that are not found in conventional carbon steels. This combination of elements often gives the steel characteristics such as higher strength, toughness, better heat and corrosion resistance, and improved weldability and ductility compared to standard carbon steel. The alloying elements used vary depending on the desired properties of the metal but can include chromium, manganese, molybdenum, tungsten and vanadium. Alloy steel plates are typically used for applications involving extreme conditions like high temperature or pressure and complex manufacturing processes requiring precise control over the size and shape of mechanical parts.
4140 High Tensile Steel, SCM440, 42CrMo4, 7225, EN19, SCM4
4140 is a 1% chromium – molybdenum medium hardenability general purpose high tensile steel – generally supplied hardened and tempered in the tensile range of 850 – 1000 Mpa (condition T).
AISI 4140 is now available with improved machinability, which greatly increases feeds and/or speeds, while also extending tool life without adversley affecting mechanical properties.
Pre hardened and tempered 4140 can be further surface hardened by flame or induction hardening and by nitriding.
1.7225 is used extensively in most industry sectors for a wide
range of applications such as:
Adapters, Arbors, Axle Shafts, Bolts, Crankshafts, Connection Rods,
Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks,
Gears, Guide Rods, Hydraulic Shafts & Parts,Lathe Spindles, Logging
Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pins
Various, Pinions, Pump Shafts, Rams, Sockets, Spindles, Sprockets,
Studs, Tool Holders, Torsion Bars, Worms etc..
| DIN | AISI | JIS | Chemical Composition | |||||||||||
| C | Si | Mn | P | S | Co | Cr | Mo | Ni | V | W | Cu | |||
| 42CrMo4 | 4140 | SCM 440 | 0.37 to 0.44 | 0.15 to 0.35 | 0.65 to 1.10 | < 0.04 | < 0.03 | – | 0.75 to 1.20 | 0.15 to 1.25 | < 0.25 | – | – | < 0.35 |
| 4140 Steel Equivalent | ||||||
| Country | USA | German | British | Japan | China | Australia |
| Standard | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB/T 3077 | AS 1444 |
| Grades | 4140 | 1.7225/ 42crmo4 | 42CrMo4 | SCM440 | 42CrMo | 4140 |
JIS SCM440 Steel Mechanical Properties
- Tensile strength (kgf/mm²): ≧100
- Yield strength (kgf/mm²): ≧85
- Elongation (%): ≧12
- Cross section reduction rate (%): ≧45
- Impact value (J/cm2): ≧6
- Hardness (Hb) : 285~352
4140 steel Heat Treatment
- Annealing: 830℃ Furnace Cooling
- Normalization: 830~880℃ Air Cooling
- Hardening: 830~880℃ Oil Cooling
- Tempering: 530~630℃ Rapid Cooling
Low Alloy High Strength Steel Plate / High Alloy Steel Plate & Coils Allloy 4140 Width 1500mm 1800mm 2000mm 2200mm
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