AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar
China AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar, Find details about China 4140 Steel Rod, AISI 4140 Steel Rod from AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar
Basic Info.
Model NO.
4140 4340 5140 8620
Special Use
Mold Steel, Free Cutting Steel, Cold Heading Steel, Machining Steel
Shape
Round/Flat/Block/Square/Tube
Length
3-5.8m, or as Per Request
Certificate
ISO, ABS, BV, CCS, Dnv, Lr, Gl, Mill Certificate
Process
Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
Delivery Condition
Hot Rolled/Forged/Cold Drawn
Heat Treatment
Annealed/Normalized/Q+T
Quality Inspection
Ut, Chemical Composition, Physical Properties/SGS
Ut Standard
Sep 1921-84 D/D
Grain Size
ASTM E112
Non-Metallic Inclusion
ASTM E45
Technical Data
Ensile Strength, Yield Strength, Elongation
Stock
Available in Stock
Delivery Time
30-45 Days
Usage
Automotive, Aerospace, Power Generation, Oil & Gas
Experience
15 Years Manufacturer Experience
Trademark
QILU
Transport Package
Standard Seaworthy Packages, or as Per Request
Specification
Dia 6-1200
Origin
China
HS Code
722830
Model NO.
4140 4340 5140 8620
Special Use
Mold Steel, Free Cutting Steel, Cold Heading Steel, Machining Steel
Shape
Round/Flat/Block/Square/Tube
Length
3-5.8m, or as Per Request
Certificate
ISO, ABS, BV, CCS, Dnv, Lr, Gl, Mill Certificate
Process
Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
Delivery Condition
Hot Rolled/Forged/Cold Drawn
Heat Treatment
Annealed/Normalized/Q+T
Quality Inspection
Ut, Chemical Composition, Physical Properties/SGS
Ut Standard
Sep 1921-84 D/D
Grain Size
ASTM E112
Non-Metallic Inclusion
ASTM E45
Technical Data
Ensile Strength, Yield Strength, Elongation
Stock
Available in Stock
Delivery Time
30-45 Days
Usage
Automotive, Aerospace, Power Generation, Oil & Gas
Experience
15 Years Manufacturer Experience
Trademark
QILU
Transport Package
Standard Seaworthy Packages, or as Per Request
Specification
Dia 6-1200
Origin
China
HS Code
722830
Product Desciption
AISI 3115 4140 4330 4337 4340 5140 8620 Forged Rolled Steel Rod Bar
1: AISI 4140 steel introduction
AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as strengthening alloy elements.Compared with AISI 4130, it has a higher carbon content with good balance of strength, toughness ,abrasion and impact resistance and heat treatment capabilities,but poor in weldability characteristics.AISI 4140 is generally supplied in quenched and tempered condition with hardness 28-32HRC
2: AISI 4140 Steel equivalent
3: AISI 4140 steel chemical composition
4: AISI 4140 steel mechanical properties(for guidance only)
5: AISI 4140 steel overviews
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.
Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.
Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels, including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.
Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is one of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.
Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.
The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
1: AISI 4140 steel introduction
AISI 4140 is defined as a low alloy steel which has 1% Cr-Mo as strengthening alloy elements.Compared with AISI 4130, it has a higher carbon content with good balance of strength, toughness ,abrasion and impact resistance and heat treatment capabilities,but poor in weldability characteristics.AISI 4140 is generally supplied in quenched and tempered condition with hardness 28-32HRC
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.
Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.
Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels, including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.
Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is one of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.
Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.
The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
Any interests in our company and products, please feel free to contact us for quotation. We warmly welcome you to our factory.
Hunan Qilu Industrial CO., LTD
Web: qilusteel.en.made-in-china.com
Hunan Qilu Industrial CO., LTD
Web: qilusteel.en.made-in-china.com
You Might Also Like
Turnkey OEM PCB Board Assembly Compressor PCBA Manufacturer
China Tianjin Qingdao Ningbo to Melbourne Australia Professi......
Factory Candy Commercial Inflatable Combo with Slide (AQ0175......
Waterproof Wiegand Output Keypad Em/ MIFARE RFID Reader (103......
China Zoomlion 56m Mobile Concrete Truck Mounted Pumps 56X-6......
Waterproof Wall Switch Socket Box Safety Floor Socket Cover ......
Special Nonwovens Cleaning & Restoration Hypoallergenic-Safe......
Easy Assembly Standard Steel Structure Warehouse with Best Q......
Mount Flexible TV Monitor Mounting Clip Mount Stand Holder B......
Kaisen Economical Dust Extraction System Cetralized Fume Ext......
Professional High Quality Construction Design Steel Structur......
API Chemical Pharmaceutical Intermediate Material High Purit......