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SAE 4140 EN19 42CRMO4 DIN 1.7225 Solid Round Metal Bar
1.42crmo cast metal bar sizes we can offer
Spherical bar: two hundred-1000mm
Sq. bar:one hundred fifty times150-600 times600mm
two.EPT situation for 4140 Solid steel bars:Black /Rough EPTTd /Rough turned
3.Futhur heat remedy for 4140 solid steel :
Normalized
Annealed
Q ampT(Quenched ampTempered)
4.4140 Forged Steel spherical bar tolerance:
Black surface area
Forged sizes up to 500mm (-/ 5mm)
Cast sizes over 500mm in diameter (-/ 8mm)
EPTTd surface to all dimensions (-/ 3mm)
five.42crmo Metal 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 identify | 42CrMo4 |
| EN # | 1.7223, 1.7225, one.7227, one.3563 |
six.4140 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-.forty three | .fifteen-.35 | .75-1.00 | le .035 | le .04 | .8-1.one | .fifteen-.twenty five |
| 42CrMo4 | .38-.45 | le .four | .six-.90 | le .571 | le .035 | .9-one.two | .15-.30 | |
| EN10083 | one.7225 | |||||||
| JIS G4105 | SCM440 | .38-.forty three | .fifteen-.35 | .six-.eighty five | le .035 | le .04 | .nine-one.two | .15-.thirty |
| GB 3077 | 42CrMo | .38-.45 | .seventeen-.37 | .five-.eighty | le .035 | le .035 | .nine-1.2 | .15-.25 |
| BS 970 | EN19 | .35-.45 | .fifteen-.35 | .five-.eighty | le .035 | le .035 | .nine-one.five | .2-.40 |
7.4140Steel Application
4140 metal finds a lot of purposes as forgings for the aerospace,oil and gas,automotive, agricultural and protection EPTT and so on.
Typical applications for 4140 steel utilizes incEPTT:cast EPTs,spindles,fixtures,jigs,collars,Axles,conveyor components,crow bars,logging areas,shafts,sprockets,studs,pinions,pump shafts, rams, and ring EPTs and many others
eight.EPTT manage:
1. Melting Method: EAF/BOF EPTT VD resulting in ingots
2. The two ends cut by noticed
three. Ratio of forging:minimal 3:1
four. Grain dimension of final item: according to ASTM E112 a lot more than five,desired more than eight
five. EPT test: As per SEPT1921 Course C/c or D/d
9.Heat remedy of 4140 Metal
Quenched and Tempered ( QT) of EN19 Metal
1. Warmth 42crmo steel little by little to 840-875 degC
two. Soak at this temperature then quench in oil
3. Temper as before long as 42crmo get to area temperature (20 degC)
4. Heat uniformly to the suited temperature of 560 degC
5. Withdraw the substance from the furnace and amazing in the air.
Annealing of 42crmo Alloy Metal
one. Heat the 42crmoslowly to 800-850 degC and allow ample time.
2. Awesome slowly in the furnace to 480 degC followed by air cooling
10.MOQ: 1 piece per dimension/quality
11.Payment expression: FOB CIF CFR EXW and so on
twelve.Shipping time : seven to thirty daEPTTafter deposit EPTd.
