4140 Pre-Hard STEEL PLATE
which offers greater wear resistance than lower grades of structural steel plate.
Otai has great advantage on 4140 steel plate:
- 1500+ tons daily stock of 4140 alloy plate or flat bar.
- Hot rolled / annealed / Q+T (PH prehardened) condition available.
- Thickness 4-300mm available for 1-3 days shipment.
- Thickness 1-10mm cold rolled sheet for 30 days lead time.
- Cut to width & cut to length service available.
- Machined to tolerance & roughness pieces service available.
- https://otaialloysteel.com/4140-steel/
4140 Chemical Composition
AISI 4140 | C | Mn | Si | P | S | Cr | Mo |
0.38-0.43 | 0.75-1.00 | 0.15-0.35 | 0.035 max | 0.040 | 0.80-1.10 | 0.15-0.25 |
4140 Relevant Specifications and Equivalents
ASTM A29 | Material No. | DIN | BS EN 10083 | JIS G4105 | BS 970-3-1991 | BS 970-1955 | AS 1444 | AFNOR |
4140 | 1.7225 | 38HM | 42CrMo4 | SCM440 | 708M40 | EN19A | 4140 | 42CD4 |
4140 steel can be used for a wide variety of applications where better wear resistance and toughness is needed over normal carbon steels.
Common uses of 4140 steel plate:
tooling, machine plates, gears, shafts, sprockets, special machine parts, molds, metal stamping, tool & die, shredders, couplings, reamer bodies, screws, flywheel components, axles, shafts, bolts, sprockets, piston rods and rams. diamond cutter Construction