Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar
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Product Highlights
- 10-Year Warranty: Comprehensive 10-year warranty coverage for all alloy steel bars.
- High Strength & Toughness: Features high strength, toughness, and resistance to wear and corrosion.
- Wide Material Options: Available in 20crmn, SCR440, 20CrMoA, 18Cr2Ni4WA, and more.
- Customizable Dimensions: Diameter 6-400mm and length 1-12m can be customized to your needs.
- Versatile Applications: Ideal for automotive, aerospace, oil & gas, and heavy machinery.
- Free Samples: Free product samples provided; customer covers freight charges.
- Fast Delivery: Stock items ship within 7-10 days; custom orders within 15 days.
- Flexible Payment: Accepts 30% T/T in advance or 100% L/C at sight.
Product Attributes
- Customization
- Available
- After-sales Service
- 10years
- Warranty
- 10years
- Model NO.
- 30mm*12m
- Type
- Alloy Steel Bar
- Standard
- AISI, ASTM, GB, JIS, DIN, BS
- Technique
- Forged
- Application
- Structural Steel Bar, Tool Steel Bar, Die Steel Bar
- Surface Treatment
- Coated
- Alloy
- Alloy
- Special Use
- Free Cutting Steel
- Material
- 20crmn SCR440 20CrMoA 18Cr2Ni4WA 20cr2ni4a
- Secondary or Not
- Non-Secondary
- Diameter
- 6-400mm
- MOQ
- 10 Tons
- Length
- 1-12m/Customized
- Payment
- 30%T/T in Advance or L/C at Sight
- Tolerance
- ±1%
- Trade Term
- EXW, Fob, CIF, CFR
- Delivery Time
- Within 15 Days After Receiving The Deposit
- Sample
- Available
- Transport Package
- Packaged in Exporting Standard.
- Specification
- Standard dia round bar
- Trademark
- HJ Steel
- Origin
- Shandong, China
- Production Capacity
- 5000 Ton One Month
Product Images of Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar
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Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar -
Hot Rolled Hot Forged 12crmo 20crmn SCR420 Scm420 20CrMoA Alloy Structural Steel Round Bar
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Product Description
Alloy round steels are characterised by a variety of features, notably high strength, high toughness, resistance to wear, corrosion, high and low temperatures. These features make alloy round steel excel in various industrial applications and are widely used in machinery, automotive and many other fields.
4140 alloy structural steel is a U.S. standard grade of medium-high strength alloy steel. The material has high strength, high hardenability, good toughness and quenching deformation, etc., suitable for the manufacture of locomotive traction gears, supercharger transmission gears and other high-strength forgings.
4140 alloy structural steel is a U.S. standard grade of medium-high strength alloy steel. The material has high strength, high hardenability, good toughness and quenching deformation, etc., suitable for the manufacture of locomotive traction gears, supercharger transmission gears and other high-strength forgings.
(1). Properties of 4140 alloy steel:
Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength, repeated impact resistance.
(2). Application of 4140 alloy steel:
In the automotive industry, it is used to manufacture parts and components, such as engine crankshafts and transmission systems.In the aerospace field, it is applied in the manufacture of aircraft seats and structural components.
In addition, it also plays a significant role in industries such as oil and gas extraction, construction, and heavy machinery manufacturing.
(1). 4140 Steel Equivalent Grades :
| GB | DIN | ASTM | JIS | BS | NF |
| 42CrMo | 1.7225 | 4140 | SCM440 | 708M40 | 42CD4 |
(2). 4140 Steel Composition:
| Grade | C | Si | Mn | Cr | Mo | P | S |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.80-1.10 | 0.15-0.25 | <0.035 | <0.04 |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | 0.15-0.25 | <0.035 | <0.035 |
| 1.7225 | 0.38-0.45 | 0.10-0.35 | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | <0.025 | <0.025 |
| SCM440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | <0.030 | <0.030 |
| 708M40 | 0.36-0.44 | 0.10-0.40 | 0.50-0.90 | 0.90-1.20 | 0.15-0.30 | <0.035 | <0.035 |
| 42CD4 | 0.38-0.46 | 0.10-0.40 | 0.60-0.90 | 0.85-1.20 | 0.15-0.30 | <0.035 | <0.035 |
(3).Special Steel Round Bar
| Grade | Spec | Dimension | Steel Grade | Application industry | |
| Special Steel Round Bar | Quality carbon structural steel | GB/T699 JIS G 4051 ASTM A29 SAE,EN10083 (Others) | 12-260 | 10# ,20#,45#, 65Mn,SAE1080,S45C,etc | For Manufacturing of All Kinds of Bearing Parts, Connecting Rod. Rigging Metal Tools etc. |
| Low alloy high-strength steel | GB/T1591,(Others) | 13-260 | Q355 series,Q460C,etc | Mechanical,Car,Engineering machinery | |
| Alloy structural steel | GB/T3077,JIS,ASTM A29, EN10083,(Others) | 13-260 | 20Mn2-45Mn2,25MnV,27SiMn-42SiMn,20Cr-40Cr,12CrMo-42CrMo,20CrMn,40CrMn,SCr420,SCr440,SCM420,SCM440,41Cr4,20CrMoA,30CrMoA,20Cr2MoA,20CrNiMo,20Cr2Ni4A,SAE4340,20Cr2Ni4A,30CrMnSiA etc | Mechanical,Car,Bridge,Petrochemical industry | |
| Bearing steel | GB/T18254,(Others) | 14-200/5-25 wire rod and cold drawn wire | GCr15,GCr15SiMn,C&U1,C&U2,GCr15-JN,SCP52100,SCPSS52100,GCr15S700,100CrMn6,SUJ2,SUJ2S1,SAE1055,S55C,G20CrNiMoA(SAE8620),GCr15etc | Mechanical ,Car ,Electric machinery,Engineering machinery etc | |
| Spring Steel | GB/T1222,JIS,SAE,EN,(Others) | 13-120 | 60Si2MnA,60Si2CrA,60Si2CrVA,55CrMnA,50CrVA,SUP9, SUP9A ,SUP11A, 55Cr3 ,51CrV4 ,52CrMoV4 ,SAE5160 SAE6150 ,SAE9254, 60SiCrVAT, 52CrMoV4 ,55SiCr etc | Car,High Speed railway,Locomotive | |
| Round billet | 300mm-600mm ( According to the different requirement) | ||||
| Large section bar | 80mm-350mm ( According to the different requirement) | ||||
| Forging | 180mm-1500mm ( According to the different requirement) |
||||
| 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) | ||||||||||
| 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) | ||||||||||
| 40ft HC:12032mm(Length)x2352m(Width)x2698mm(High) | ||||||||||
| 20feet container load 25tons coils whose length is under 5.8m | ||||||||||
| 40feet container load 25tons coils whose length is under 11.8m | ||||||||||
| Packing Details : Bundle with steel strip |
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| Delivery Details : Use trays to facilitate loading and unloading |
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| Standard Export Seaworthy Package.Suit for all kinds of transport ,or as required |
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Liaocheng Huajian Steel Co.,Ltd is located in Liaocheng, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2006. We are a modern private enterprises which are specialized in processing and exporting steel materials in China and win high reputations from our customers.
Our main items are:1. Cold rolled steel/ galvanized steel/ galvalume steel/ prepainted steel/ corrugated steel
2. steel profiles, such as, steel angle section/ H beams/ I beams/ Channel section etc..
3. HRC MS plate, checkered steel plate, alloy steel plate /coil etc..
4. also the carbon steel/ galvanized steel round and square tubes, and stainless steel etc.
Besides, we can do customization as your demand or samples, etc..
Warmly welcome your esteemed come and visit our company and the production line.
Our current export markets are: Sorth America, North America, Europe,Australia,Africa, Asia, etc..
Adhere to the principle of"fair,objective,scientific,honest management, keeping promises, credibility honoring, following delivery schedule", Liaocheng Huajian Steel Co.,Ltd is willing to establish long-term close cooperation with our customers and make progress together to create a more brilliant future!
(1)why you chose us ?
Because we have large stocks and we have long term cooperative factories. We can get the lowest ex-factory prices. The price are quite reasonable and it is lower than our commercial peers. Also, we can guarantee the quality of our products.
(2) Our minimum order quantity:
15 Metric Tons
(3)How about the Delivery Time?
The steel pipe will be produced since we getting your deposit by T/T or original L/C, and delivery to the port of loading within 25~30 days.
For normal size, some stocks in our factory now, we can shipment within 7~10 days after receive the deposit.
(4) What kind of payment does your company support?
T/T, 100% L/C at sight.
(5)Do you charge for the samples?
No, we provide samples free, you pay for the freight charge.
(6) Main market:
Mid East South America South Asia Africa Southeast Asia Northern Europe Western Europe etc.
If you are interested in our products, please contact with me freely !
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR245504". Items marked "
" are certified.
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Company Profile
Liaocheng Huajian Steel Co., Ltd is located in Liaocheng City, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2012, we are a modern private enterprises which are specialized and exporting steel materials in China and win high reputations from our customers.
Our main items are:
1. NM400 NM450 NM500 NM550 NM600 Wear resistant steel plate, Q690D Q690E high strength steel plate, Mn13 High manganese steel plate etc...
2. Steel profiles, such as, steel angle section/ H beams/ I beams/ Channel section etc...
3. HRC MS plate, checkered steel plate, alloy steel plate /coil etc...
4. Also the carbon steel/ galvanized steel round and square tubes, and stainless steel etc.
Also we can do customization as your demand or samples, etc...
And warmly welcome your esteemed come and visit our company and the production line.
Our current export markets are: South America, Africa, Southeast Asia, South Asia, Western Europe, etc...
Adhere to the principle of"fair, objective, scientific, honest management, keeping promises, credibility honoring, following delivery schedule" Liaocheng Huajian Steel Co., Ltd is willing to establish long-term close cooperation with our customers and make progress together to create a more brilliant future!
About Our Factory & Business Background
- Address
- No70 Dongchang East Rd, Liaocheng, Shandong, China
-
Number of Employees
- 5
-
Terms of Payment
- T/T, LC
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port, Tianjing Port
-
Minimum Order Quantity
- 5 tons
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
- Main Products
- Wear Resistance Steel Plate, Round Bar, Seamless Steel Pipe, Hot Rolled Steel Plate, Ms Checkered Steel Plate, Square &Rectangular Tube, Galvanized & Carbon Steel Round Pipe, H Beam, Angle, Channel
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2012-01-12
-
Export Year
- 12 years
-
Main Markets
- North America, Europe
-
Repeat Buyers Choice
- 80%~100%
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
FAQ
- Why should I choose your company?
- We maintain large stocks and have long-term cooperative factories, allowing us to offer the lowest ex-factory prices and guarantee product quality.
- What is the minimum order quantity?
- The minimum order quantity is 15 Metric Tons.
- What is the delivery time?
- For normal sizes with stock, shipment occurs within 7-10 days after receiving the deposit. For custom orders, production and delivery to the port take 25-30 days.
- What payment methods do you support?
- We support T/T (30% in advance) and 100% L/C at sight.
- Do you charge for samples?
- No, we provide samples for free. The customer only needs to pay for the freight charges.
- What are your main export markets?
- Our main markets include the Middle East, South America, South Asia, Africa, Southeast Asia, Northern Europe, and Western Europe.
- What are the key properties of 4140 alloy steel?
- 4140 alloy steel offers high strength, high hardenability, good toughness, excellent machinability, and resistance to creep and repeated impact.
- Can you customize the steel bars?
- Yes, we offer customization for material, diameter (6-400mm), and length (1-12m) based on your specific requirements.
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