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EN19 SCM440 4140 Hardened and Tempered Steel Round Bar
SAE 4140 Scorching rolled Q ampT metal round bars manufactured in EPTT
1.Equivalent StXiHu (West EPT) Dis.Hu (West EPT) Dis.rds
| GB,YB | JIS | DIN(W-Nr.) | ASTM | BS | NF |
| 42CrMo | SCM440/(SCM4) | 42CrMo4-1.7225 | 4140 | 708M40/709M40/708A42/EN19 | 42CD4 |
two.EPTT composition of 4140 steel
| StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd | Quality | C | Si | Mn | P | S | Cr | Mo |
| ASTM A29 | 4140 | .38-.forty three | .15-.35 | .75-one.00 | le .035 | le .04 | .8-1.1 | .15-.25 |
| 42CrMo4 | .38-.forty five | le .four | .6-.90 | le .571 | le .035 | .9-1.two | .15-.thirty | |
| EN10083 | 1.7225 | |||||||
| JIS G4105 | SCM440 | .38-.forty three | .15-.35 | .6-.eighty five | le .035 | le .04 | .9-one.two | .15-.30 |
| GB 3077 | 42CrMo | .38-.forty five | .17-.37 | .five-.eighty | le .035 | le .035 | .9-1.two | .fifteen-.twenty five |
| BS 970 | EN19 | .35-.45 | .15-.35 | .5-.80 | le .035 | le .035 | .9-1.five | .two-.40 |
3.Heat remedy of 4140 scm440 en19
EPT
Can be heated to 1150 degC and managed right up until uniform
Least forging temperature 850 degC
Can be cooled slowly and gradually in sand or ash
Pressure Relieving
Hardened: Heat to 500 degC – 550 degC
Annealed: Warmth to 600 degC – 650 degC
Cool in still air
Annealing
Warmth to 830 degC – 850 degC
Furnace great
Normalizing
Heat to 870 degC – 900 degC
Amazing in even now air
Nitriding
Heat to five hundred degC – 530 degC and hold for sufficient time to deveXiHu (West EPT) Dis.Hu (West EPT) Dis. the depth of situation needed
Areas must be pre-hardened and tempered as required and also pre-EPTTd leaving a tiny grinding allowance only.
Tempering
Heat to 450 degC – seven hundred degC awesome in still air
Tempering in the variety of two hundred degC – 420 degC leads to temper brittleness and need to be averted
Flame and Induction Hardening
All resources consisting of de-carburized surfaces need to be taken out to make sure greatest results.
four.Programs
AISI 4140 is employed thoroughly in most market sectors for a extensive assortment of programs such as:
Strippers bolts axle shafts
tool bodies bolsters holEPTTblocks
stubs crankshafts resource holders
EPTTry elements and parts mould bases couplings
connecting rods tie rods conveyor components
ejectors reamer bodies chuck bodies
dull bars crow bars back again up and help tooling
axles collets XiHu (West EPT) Dis.Hu (West EPT) Dis.s
logging elements fixtures piston rods
conveyor pins amp rolls tracks shafts
jigs rams ejector pins
waEPTTsprockets molds
EPT EPTTry shafts forks slides
studs cams EPTs
XiHu (West EPT) Dis.Hu (West EPT) Dis. rods put on strips or areas pump shafts
drill collars sprockets torsion bars
forming dies ring EPTs EPT racks
EPT back links lathe spindles brake dies
adapters valves spindles
logging parts trim dies arbors
milling spindles motor shafts pinch bars
pins pinions nuts
pump shafts device holders sockets
five.Shipping situation and measurements:
sixteen-310mm:Sizzling rolled / Sizzling rolled QT
five-100mm:Chilly Drawn / Cold Drawn QT
twenty-150mm:Peeled / Peeled QT
200-1000mm:Solid
6.Payment conditions: T/T or L/ C
(one)30% paid by T/T and rest 70% by T/T on the duplicate of B/B.
(two)a hundred% irrevocable L/C at sight
7.Shipping and delivery time:inside of 7 -twenty daEPTTafter your deposit or L/C.
8. Mark: incXiHu (West EPT) Dis.Hu (West EPT) Dis. metal material, heat No., parts, excess weight, day and so on.
