42CrMo4 Scm440 4140 1.7225 Cold Drawn Alloy Steel Bars
China 42CrMo4 Scm440 4140 1.7225 Cold Drawn Alloy Steel Bars, Find details about China 42CrMo4 Alloy Steel, Alloy Round Steel from 42CrMo4 Scm440 4140 1.7225 Cold Drawn Alloy Steel Bars
Basic Info.
Model NO.
steel bar
Special Use
Mold Steel
Application
Structural Steel Bar
Raw Material
Alloy Steel Round Bar
Main Grade
4140 4150 42CrMo4 42CrMo Scm440 Scm420
Surface
Bright and Smoothly
Heat Treatment
Qt
Ready Stock
Yes
Trademark
customized
Transport Package
Anti-Rust Packaging
Specification
dia: 5-130mm
Origin
China
Model NO.
steel bar
Special Use
Mold Steel
Application
Structural Steel Bar
Raw Material
Alloy Steel Round Bar
Main Grade
4140 4150 42CrMo4 42CrMo Scm440 Scm420
Surface
Bright and Smoothly
Heat Treatment
Qt
Ready Stock
Yes
Trademark
customized
Transport Package
Anti-Rust Packaging
Specification
dia: 5-130mm
Origin
China
Product Desciption
42CrMo4 cold drawn alloy steel bars for steel shaft
Alloy steel 4140,hot rolled heat treated round bar
AISI 4140 SCM440 42CrMo Cold drawn steel bar steel shafts
CD 4140 / 4142 alloy bar's chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. This alloy responds well to heat treatment. In the annealed condition it machines at 110 sfm. It also has good wear resistance, toughness, and good ductility in the quenched and tempered condition. This grade can also be supplied as turned ground and polished for tighter dimensional tolerances for bearing fitting applications.
2.AISI 4140 Cold drawn steel bar Typical applications
Typical applications are highly stressed parts or parts subject to severe wear..
3.AISI 4140 cold drawn steel bar main type and avaliable sizes
4.AISI 4140 Cold drawn steel bar size tolerance
h9,h10,h11 or other tolerance according to client's requirement
5.AISI 4140 Cold drawn steel bar chemical composition(%)
6.AISI 4140 Alternative grade in different standard
7.AISI 4140 Typical Mechanical Properties
Grade:ASTM A29 4140 42CrMo SCM440
Hardness:217HB
Tensile strength:1080(110)MPA
Yield strength: 930(95)MPA
elogation:12% Reduction of area:45% AKV(impact value):63J
8.Straightness: 1mm/m(max)
9. Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
10.Delivery time of steel bar:
7-10days of stock,30 days after order confirmed of new material
11.Payment term:TT or LC
12.Free sample:Yes
13.steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test
14.Our cold drawn factory equipments
We adopt advanced production technology and first-class processing equipments, such as heat treatment furnace, straightening machine, centerless grinding machine, polishing machine, as well as lathing and milling machine etc.
15.Our steel bar mill's certificates
ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;JIS MARK,KS MARK.
With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.
Alloy steel 4140,hot rolled heat treated round bar
AISI 4140 SCM440 42CrMo Cold drawn steel bar steel shafts
- AISI4140 cold drawn steel bar
CD 4140 / 4142 alloy bar's chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. This alloy responds well to heat treatment. In the annealed condition it machines at 110 sfm. It also has good wear resistance, toughness, and good ductility in the quenched and tempered condition. This grade can also be supplied as turned ground and polished for tighter dimensional tolerances for bearing fitting applications.
2.AISI 4140 Cold drawn steel bar Typical applications
Typical applications are highly stressed parts or parts subject to severe wear..
3.AISI 4140 cold drawn steel bar main type and avaliable sizes
| Round bars | 5mm-130mm |
| Suqare bar | 6*6mm-100*100mm |
| Flat bars | 3mm*20mm-50mm*100mm |
| Hex bars | 6mm-100mm |
| Bar Finsihe | Peeled, Cold Drawn, TurnedTurned & Polished, Centreless Ground |
4.AISI 4140 Cold drawn steel bar size tolerance
h9,h10,h11 or other tolerance according to client's requirement
5.AISI 4140 Cold drawn steel bar chemical composition(%)
| Grade | C | Si | Mn | P | S | Cr | Mo |
| 42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
| 1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
6.AISI 4140 Alternative grade in different standard
| GB | 42CrMo |
| ASTM | 4140 |
| JIS | SCM440 |
| DIN | 1.7225 |
7.AISI 4140 Typical Mechanical Properties
Grade:ASTM A29 4140 42CrMo SCM440
Hardness:217HB
Tensile strength:1080(110)MPA
Yield strength: 930(95)MPA
elogation:12% Reduction of area:45% AKV(impact value):63J
TYPICAL MECHANICAL PROPERTIES FOR ANNEALED
| Tensile Strength | 723 - 830Mpa |
| Yield Strength | 585 - 450Mpa |
| Elongation in 2" | 15% - 25% |
| Reduction of area | 45% - 55% |
| Brinelle Hardness | 215-235HB |
TYPICAL MECHANICAL PROPERTIES FOR QT
| Tensile Strength | 890 |
| Yield Strength | 755 |
| Elongation in 2" | 16% |
| Reduction of area | 50% |
| Brinelle Hardness | 269-321 |
8.Straightness: 1mm/m(max)
9. Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
10.Delivery time of steel bar:
7-10days of stock,30 days after order confirmed of new material
11.Payment term:TT or LC
12.Free sample:Yes
13.steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test
14.Our cold drawn factory equipments
We adopt advanced production technology and first-class processing equipments, such as heat treatment furnace, straightening machine, centerless grinding machine, polishing machine, as well as lathing and milling machine etc.
15.Our steel bar mill's certificates
ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;JIS MARK,KS MARK.
With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.
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