4140 1.7225 1.2210 Scm440 42CrMo4 4340 4130 Alloy Tool Steel Bar/Special Steel
Model NO.
Alloy Structural Steel
Composition
4140 1.7225 1.2210 Scm440 42CrMo4 4340 4130
Technique
Forged/Hot Rolled/Cold Drawn
Shape
Round/Flat/Block/Square/Bar/Plate
Surface Treatment
Polished
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Structural Steel Bar
Certificate
ISO, ABS, BV, CCS, Dnv, Lr, Gl, Mill Certificate
Quality Inspection
Ut, Chemical Composition, Physical Properties/SGS
Length
3-5.8m, or as Per Request
Heat Treatment
Quenched,Tempered,Annealed
Surface Require
Black,Grinding,Bright,Polish
Transport Package
Seaworthy Packing/Wooden Box or at Client's Requir
Specification
Customized
Trademark
OEM & ODM
Origin
China
HS Code
7228300000
Production Capacity
1000 Ton/Month
Reference Price
$ 630.00 - 765.00
Description
Product Description
1.
AISI 4140
Steel Introduction
2.
AISI 4140
Steel Equivalent
| Country | China | Japan | Germany | USA | British |
| Standard | GB/T 3077 | JIS G4105 |
DIN (W-Nr.)
EN 10250 |
AISI/ASTM
ASTM A29 |
BS 970 |
| Grade | 42CrMo | SCM440 | 42crmo4/1.7225 | 4140 | EN19/709M40 |
3. AISI 4140 Steel Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.2 | 0.15-0.25 | - |
| SCM440 | 0.38-0.43 | 0.15-0.35 | 0.6-0.85 | ≤0.035 | ≤0.04 | 0.9-1.2 | 0.15-0.30 | - |
| 42crmo4/1.7225 | 0.38-0.45 | ≤ 0.4 | 0.6-0.9 | ≤0.025 | ≤0.035 | 0.9-1.2 | 0.15-0.30 | - |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.04 | 0.8-1.1 | 0.15-0.25 | - |
| EN19/709M40 | 0.35-0.45 | 0.15-0.35 | 0.5-0.80 | ≤0.035 | ≤0.035 | 0.9-1.5 | 0.2-0.40 | - |
4. AISI 4140 Steel Mechanical Properties (for guidance only)
| Grade |
Tensile strength
σb(MPa) |
Yield strength
σs (MPa) |
Elongation
δ5 (%) |
Reduction
ψ (%) |
Impact Value
Akv (J) |
Hardness |
| 4140 | ≥1080 | ≥930 | ≥12 | ≥45 | ≥63 | 28-32HRC |
5. AISI 4140 Steel Overviews
| Size | Round | Dia 6-1200mm |
| Plate/Flat/Block |
Thickness
6mm-500mm |
|
|
Width
20mm-1000mm |
||
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 30-45 days | |
| Application |
AISI 4140 steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc.
Typical applications for 4140 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc |
|
6. Delivery Condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed, rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface
| Alloy Steel |
4140,4142,42CrMo4,1.7225,SCM440,4130,SCM430,25CrMo4,1.7218,34CrNiMo6,
1.6582,4340,SNCM439,36CrNiMo4,1.6511,SACN645,1340,SMn438,SNC236, |
| Tool Steel |
H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419,
SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2 |
| Bearing Steel | GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50 |
| Spring Steel |
9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150,
SUP10,51CrV4,1.8159 |
| Stainless Steel |
321,sus321,1.4541,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028,
434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057 |
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