Alloy Steel Plate DIN 42CrMo4 + QT Plate Chemical Composition Data
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Alloy Steel Plate DIN 42CrMo4 + QT Plate Chemical Composition Data
Products Specification
| Product | Alloy Steel Plate/Sheet | ||||||||||
| Standard | ASTM A285,ASTM A283,SA516,SA517,EN10025-2-2004,ASTM A572,ASTM A529,ASTM A573,ASTM A663,JIS G3101-2004,ASTM A678,ASTM A588,ASTM A242,etc | ||||||||||
| Material | A36,SS400,A283,Gr.A,.Gr.B.Gr.C,A285 Gr.A,.Gr.B.Gr.C,Q235,Q195,Q215,S185,SM400, S235J0,S235JR,S235J2,Q275,Gr50,GR55,GR.65,GR.A, S275JR,S275J0,E295,SS490, SS540,GR.60,GR.70,S355J0,SM570,E335,S235J2W,Q355,SMA490,S355J2W, Q265,P235GH,SB410,SPV235,SGV410,SG255,P265GH,SB450,SG295,P295GH,etc 15CrMo 30CrMo 42CrMo 65Mn12CrNiMoV 8620H 4340 4140 4150 5140 .etc | ||||||||||
| Size | Thickness:6.0-400mm Width:1250mm,1500mm,1800mm,2000mm,2200mm,2500mm,etc Length:1000mm,1500mm,2000mm,3000mm,5000mm,8000mm,1000m,etc | ||||||||||
| Surface | Coated,Embossed,Brushed,Polished,Anodized,etc | ||||||||||
| Application | Boiler Plate Container Plate Flange Plate Ship Plate | ||||||||||
| MOQ | 1 ton. Sample order is acceptable. Please contact for details. | ||||||||||
| Package | Standard Sea Worthy Packing or customized | ||||||||||
42CrMo4 is an engineering alloy steel containing chromium and molybdenum. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. It can be heat treated in a number of ways to give it a superior combination of properties. It is equivalent to SAE 4140 and En19 steel grades with minor differences in chemical ranges.
Chemical Composition of 42CrMo4 Steel Plate
The following table shows the chemical composition of 42CrMo4.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 0.90 – 1.20 |
| Manganese, Mn | 0.6 – 0.9 |
| Carbon, C | 0.38 – 0.45 |
| Silicon, Si | 0.10 – 0.4 |
| Molybdenum, Mo | 0.15 – 0.30 |
| Sulfur, S | 0.035 max |
Phosphorous, P | 0.025 max |
MATERIAL PROPERTIES OF 42CrMo4 FOR FABRICATION AND HEAT TREATMENT
Steel of Grade 42CrMo4 has the following properties
Machinability
42CrMo4 alloy steel has good machinability in the annealed
condition.
Forming
42CrMo4 alloy steel has high ductility. It can be formed using
conventional techniques in the annealed condition. It requires more
pressure or force for forming because it is tougher than plain
carbon steels.
Welding
42CrMo4 can be welded using all conventional techniques. However,
the mechanical properties of this steel will be affected if it is
welded in the heat treated condition, and post weld heat treatment
should be performed.
Heat Treatment
42CrMo4 bars are heated at 845°C followed by quenching in oil.
Before hardening, it can be normalized by heating at 913°C for a
long period of time followed by air cooling.
Forging
42CrMo4 is forged at 926 to 1205°C.
Hot Working
42CrMo4 steel can be hot worked at 816 to 1038°C.
Cold Working
42CrMo4 alloy steel can be cold worked using conventional methods
in the annealed condition.
Annealing
42CrMo4 steel is annealed at 872°C followed by slowly cooling in
the furnace.
Tempering
42CrMo4 alloy steel can be tempered at 205 to 649°C depending upon
the desired hardness level. The hardness of the steel can be
increased if it has lower tempering temperature. For example,
tensile strength of 225 ksi can be achieved by tempering at 316°C
(600°F), and a tensile strength of 130 ksi can be achieved by
tempering at 538°C (1000°F).
Hardening
42CrMo4 alloy steel can be hardened by cold working, or heating and
quenching.
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42CrMo4 Steel Applications
Our 42CrMo4 steel is used in various application such as
1,Fasteners
2. Shafts
3. Crankshaft
4. Machinery Parts
5. Gears
6. Steel Collets
7. Conveyors and Rolls
8. Steel Couplings
9. Drill Collars
10. Steel Piston Rods
11. Steel Ejector
12. And many more…
Alloy Steel Plate DIN 42CrMo4 + QT Plate Chemical Composition Data
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