AISI 4340 36CrNiMo4/1.6511 En24/817m40 Sncm439/Sncm8 Special Steel Axis Forgings
China AISI 4340 36CrNiMo4/1.6511 En24/817m40 Sncm439/Sncm8 Special Steel Axis Forgings, Find details about China 4340 Forging Part, 36CrNiMo4 Forging Part from AISI 4340 36CrNiMo4/1.6511 En24/817m40 Sncm439/Sncm8 Special Steel Axis Forgings
Basic Info.
Model NO.
EN24/817M40 Sncm439 Special Steel Axis Forgings
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
722840
Model NO.
EN24/817M40 Sncm439 Special Steel Axis Forgings
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
722840
Product Desciption
AISI 4340 36CrNiMo4/1.6511 EN24/817M40 Sncm439/Sncm8 Special Steel Axis Forgings
1: 4340 steel introduction
AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. 4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa. Pre hardened and tempered 4340 steels can be further surface hardened by flame or induction hardening and by nitriding. The 4340 steel has good shock and impact resistance as well as wear and abrasion resistance in the hardened condition. AISI 4340 steel properties offer good ductility in the annealed condition, allowing it to be bent or formed. Fusion and resistance welding is also possible with our 4340 alloy steel. ASTM 4340 material is often utilized where other alloy steels do not have the hardenability to give the strength required. For highly stressed parts it is excellent choice. AISI 4340 alloy steel can also be machined by all customary methods.
2: 4340 Steel equivalent
| Country | Japan | Germany | Britain | USA |
| Standard | JIS G4103 | EN10250 | BS970 | ASTM A29 |
| Grade | SNCM439 | 36CrNiMo4/1.6511 | EN24/817M40 | 4340 |
3: 4340 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.6-0.8 | 0.035 | 0.04 | 0.7-09 | 0.2-0.3 | 1.65-2.0 |
| 36CrNiMo4 | 0.32-0.4 | 0.4 | 0.5-0.8 | 0.035 | 0.035 | 0.9-1.2 | 0.15-0.3 | |
| EN24 | 0.36-0.44 | 0.1-0.4 | 0.45-0.7 | 0.035 | 0.04 | 1.0-1.4 | 0.2-0.35 | 1.3-1.7 |
| SNCM439 | 0.36-0.43 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | 0.6-1.0 | 0.15-0.3 | 1.6-2.0 |
4: 4340 steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. More details, kindly contact us.
Hunan Qilu Industrial Co., Ltd has the capacity to guarantee the quality for every step, from raw material (forging), then heating treatment, finally machining. We have our own forging mill, heating teatment shop and machining shop. At present we could supply various of lage main shaft, turbin shaft, cylinder shaft, windy generator shaft, roller shaft, wheel forging, drill bit forging and kinds of irregular parts based on the drawing provided by customers.
Steel material for shaft and forging parts:
| Engineering Steel | |||||
| GB GB/T 700 | JIS JIS G3101 | DIN (W-Nr.) EN10025-2 / DIN17100 | AISI/ASTM ASTM A36 | BS | OTHERS |
| Q235B | SS400 | S235JR / RST37-2 | A36 | ||
| Q235C | S235J0 / ST37-3 U | ||||
| Q235D | S235J2 | ||||
| GB GB/T1591 | JIS | DIN (W-Nr.) EN10025-2 / DIN17100 | AISI/ASTM | BS | OTHERS |
| Q355B | S355JR | ||||
| Q355C | S355J0 / ST52-3U | ||||
| Q355D | S355J2 / ST52-3 N | ||||
| Q355E | S355K2 | ||||
| GB GB/T 699 | JIS JIS G4051 | DIN (W-Nr.) EN 10083-2 | AISI/ASTM ASTM A20 | BS | OTHERS |
| 1018 | EN2C | ||||
| 20 | S20C | C20 | 1020 | EN3B/070M20 | ASTM A105 |
| 35 | S35C | C30 | 1035 | ||
| 45 | S45C | C45E/1.1191 | 1045 | EN8D/080M40 | |
| 50 | S50C | C50/1.1206 | 1050 | 080M50 | |
| 55 | S55C | C55 | 1055 | EN9/070M55 | |
| GB GB/T 3077 | JIS JIS G4105/JIS G4103 | DIN (W-Nr.) EN 10250 | AISI/ASTM ASTM A29 | BS BS 970 | OTHERS |
| 40Cr | SCr440 | 41Cr4(1.7035) | 5140 | ||
| 15CrMo | SCM415 | 16CrMo44/1.7337 | |||
| 20CrMo | SCM420 | 18CrMo4/1.7243 | 4118 | ||
| 30CrMo | SCM430 | 25CrMo4/1.7218 | 4130 | 708A25/708M25 | |
| 42CrMo | SCM440 | 42crmo4/1.7225 | 4140 | EN19/709M40 | |
| SCM445 | 4145 | ||||
| 40CrNiMoA | SNCM 439/SNCM8 | 36CrNiMo4/1.6511 | 4340 | EN24/817M40 | |
| 40NiMoCr10-5/1.6745 | EN26/826M40 | ||||
| 34CrNiMo6 / 1.6582 | 4337 | ||||
| 30CrNiMo16-6/1.6747 | 4330V | EN30B/835M30 | |||
| 32CrMo12/1.7361 | EN40B/722M24 | ||||
| 16CrMnH / 20CrMnTi | 16MnCr5 / 1.7131 | 5115 | |||
| 20CrMn | 20MnCr5 / 1.7147 | ||||
| 15CrNi6/1.5919 | 3115 | ||||
| 16NiCr4/1.5714 | EN351/637M17 | ||||
| 4615/4617 | EN34/665M17 | ||||
| 14NiCr14/1.5752 | 3310/3415 | EN36/655M13 | |||
| 15NiCrMo16-5/1.6723 | EN39/835M15 | ||||
| 17CrNiMo6 | 18CrNiMo7-6 (1.6587) | 4815 | |||
| 20CrNiMo | SNCM220 | 1.6523/21NiCrMo2 | 8620 | 805M20 | |
| 20CrNiMo5 | EN353 | ||||
| GCr15 | SUJ2 | 52100/1.3505 | EN31/535A99 | ||
| 38CrMoAl | SACM645 | 41CrAlMo7/34CrAlMo5 | 905M39/905M31 | 41CrAlMo74(ISO) | |
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
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