Hangzhou EPG Co.,Ltd. , was launched in November, 1997. With its 5 wholly owned subsidiaries. If you need to have any data or samples, please contact us and you will have our quickly reply. we provide chromed bar and tubes for hydualic and pheumatic cylinders.
In accordance to the drawing processing 4130 4140 forging parts
1.42crmo cast steel bar sizes we can supply
Round bar: 200-1000mm
Sq. bar:150 times150-600 times600mm
2.EPT issue for 42crmo Cast steel bars:Black /Tough EPTTd /Tough turned
three.Futhur warmth therapy for 42crmo cast steel :
Normalized
Annealed
Q ampT(Quenched ampTempered)
4.42crmo Solid Metal round bar tolerance:
Black surface
Forged sizes up to 500mm (-/ 5mm)
Forged sizes previously mentioned 500mm in diameter (-/ 8mm)
EPTTd surface to all dimensions (-/ 3mm)
five.42crmo Steel Equal
| StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd | AISI / SAE 4140 |
| UNS | – |
| WERKSTOFF NR. | 41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4 |
| BS 970 | 708M40, 708A42, 709M40, En19, En19C |
| UNI | 41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4 |
| JIS | SCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4 |
| EN name | 42CrMo4 |
| EN # | 1.7223, 1.7225, one.7227, 1.3563 |
six.42crmo Solid steel chemical composition
| StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd | Grade | C | Si | Mn | P | S | Cr | Mo |
| ASTM A29 | 4140 | .38-.43 | .15-.35 | .75-one.00 | le .035 | le .04 | .eight-one.one | .fifteen-.twenty five |
| 42CrMo4 | .38-.forty five | le .four | .6-.90 | le .571 | le .035 | .9-1.two | .15-.thirty | |
| EN10083 | one.7225 | |||||||
| JIS G4105 | SCM440 | .38-.43 | .fifteen-.35 | .6-.eighty five | le .035 | le .04 | .nine-1.two | .fifteen-.thirty |
| GB 3077 | 42CrMo | .38-.forty five | .seventeen-.37 | .five-.80 | le .035 | le .035 | .9-1.two | .fifteen-.25 |
| BS 970 | EN19 | .35-.45 | .15-.35 | .five-.80 | le .035 | le .035 | .nine-1.5 | .two-.40 |
7.42crmoSteel Software
42crmo metal finds numerous applications as forgings for the aerospace,oil and gasoline,automotive, agricultural and protection EPTT and many others.
Normal programs for 42crmo metal makes use of incEPTT:cast EPTs,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging components,shafts,sprockets,studs,pinions,pump shafts, rams, and ring EPTs and many others
eight.EPTT handle:
one. Melting Approach: EAF/BOF EPTT VD resulting in ingots
two. Equally finishes lower by observed
3. Ratio of forging:minimum 3:one
four. Grain measurement of last item: according to ASTM E112 much more than five,desired far more than 8
5. EPT examination: As for each SEPT1921 Course C/c or D/d
nine.Warmth treatment of 42crmo Metal
Quenched and Tempered ( QT) of EN19 Metal
1. Warmth 42crmo metal little by little to 840-875 degC
2. Soak at this temperature then quench in oil
three. Temper as before long as 42crmo attain place temperature (20 degC)
four. Warmth uniformly to the ideal temperature of 560 degC
5. Withdraw the substance from the furnace and great in the air.
Annealing of 42crmo Alloy Steel
one. Heat the 42crmoslowly to 800-850 degC and enable ample time.
2. Great gradually in the furnace to 480 degC followed by air cooling
ten.MOQ: a single piece for every measurement/quality
11.Payment time period: FOB CIF CFR EXW and so on
12.Supply time : seven to 30 daEPTTafter deposit EPTd.
