Forging Alloy Structural Steel Round Bar with 4140 or 42CrMo for Auto Part

Model NO.
B-OD250*L1000
Composition
4140/42CrMo
Technique
Forged
Shape
Round Bar
Surface Treatment
Polished
Special Use
Wear Resistant Steel, High Strengh Steel
Application
Structural Steel Bar
Tolerance
±1%
Max Diameter
800mm
Max Length
15m
Transport Package
Wooden Box
Specification
OD250*L1000
Trademark
ETERNAL
Origin
China
HS Code
7228400000
Production Capacity
1000 Tons/Month
Reference Price
$ 243.00 - 270.00

Product Description

Steel Grade

Standard
GB
EN
DIN
W.N.
JIS
AISI/SAE
Steel Grade
42CrMo
EN19
42CrMo4
1.7225
SCM440
4140
4140 Chemical Composition

C
Si
Mn
Cr
Mo
P/S
0.38-0.45%
0.17-0.37%
0.5-0.8%
0.9-1.2%
0.15-0.25%
≤0.035%
Feature
Mechanical properties : 4140 round steel has good strength, toughness, and wear resistance after heat treatment, can withstand high loads, and has excellent performance after heat treatment, suitable for various complex working conditions.
Processing performance : This steel has good processing performance, minimal processing deformation, and excellent fatigue resistance. It belongs to the category of medium grade hardenable steel.
Heat treatment performance : 4140 steel has high tempering stability, and the quenching process is generally cooled with oil or specialized coolant. Common heat treatment processes include annealing, normalizing, and tempering.
Application
4140 round steel is commonly used in the manufacturing of mechanical components such as gears, shafts, connecting rods, and stamping dies. In the automotive industry,
 it can be used to manufacture key components such as transmission shafts and suspension systems.
 In the construction industry, it is also commonly used as the main material for steel structures.
Delivery condition
1.Forged + annealing + black surface 
2.Forged + annealing + polish 
3.Forged + quenching /tempering + black surface 
4.Forged + quenching /tempering + polish
Equipment
Eternal company own heavy duty workshop 8,000 square meters ,till now more than 100 sets machine facilities have been installed.  Main facility is as following : 2000ton fast forging press , heating treatment furnace, long 10 meters quenching tank , 500 tons straightening machine , 6 meters middle-frequency surface quenching machine, 3-11 meter CNC horizontal lathes, CNC machining center, 10 meters deep hole boring machine, 10 meters honing machine , including all kinds inspection and test tools etc. 
Forging Alloy Structural Steel Round Bar with 4140 or 42CrMo for Auto Part
Forging Alloy Structural Steel Round Bar with 4140 or 42CrMo for Auto Part
Partners
Our products have been exported to Europe, U.S.A , South Africa, Russian, Mexico, Brazil, Peru, Chile, Korea, Vietnam, Indonesia , Middel East etc 
more than 80 countries , our quality is accepted by customers.
Forging Alloy Structural Steel Round Bar with 4140 or 42CrMo for Auto Part
Company Profile
Jiangyin Eternal Heavy Industry Co.,Ltd. was established in 2008, it is National high-tech enterprise, innovative small and medium-sized enterprise. Till now our main products including all kinds of special steel forgings and heavy duty hydraulic cylinder.
Our special steel forgings include all kinds of alloy steel forging, mould die steel forging, stainless steel forgings etc.
They are made for forging roll, forging shaft, forging ring, forging sleeve, forging plate, forging round bar etc.
Its size is from OD150mm to OD1000mm, length up to 12000mm. They have been applicated on petroleum machinery, mining machinery, metallurgical equipment, power equipment, etc.
We also make all kinds of heavy duty hydraulic cylinders they are installed on hydraulic press, extrusion press, and all kinds construction machinery etc. Our hydraulic cylinder pressure could reach 3600 tons, max length could reach 12 meters.
Our company owns 2000 tons fast speed forging production line, heat treatment quenching and tempering furnace, middle-frequency induction surface hardening machine with 6 meter standing height, 500 tons straightening machine, all kinds of CNC lathe machine, CNC frame type machining center, all kinds of quality inspection equipment, such as mechanical property test machine, non-destructive test machine etc.
At present, our products have been exported to Europe, U.S.A, South Africa, Russian, Mexico, Brazil, Peru, Chile, Korea, Vietnam, Indonesia, Middel East etc more than 80 countries, our quality is accepted by customers. In future we would devote ourselves to deep research and new market, and we expect to make a better co-operation with our customer.
You are welcome to visit our company !
Why Choose Us?
1. More than 20 years machining experience .
2. Rich experience on heat treatment , including normalizing , annealing , 
    quenching and tempering , high frequency surface hardening etc .
3. Complete production equipment from raw material to finished product 
4. Strict quality control , including raw material chemical specification test, non-destructive test , size inspection , hardness test etc .
5. More than 20 years exporging experience
6. Fast delivery time 
Alloy steel forging bar
Stainless steel forging bar
......
FAQ
1. who are we?
 We are based in Jiangsu, China, start from 2008,sell to Domestic Market(36.00%),Eastern Europe(21.00%),Southeast
Asia(16.00%),South America(12.00%),North America(9.00%),Northern Europe(4.00%),South Asia(2.00%). There are total about 51-100 people in our office.
 
2. how can we guarantee quality? 
Always a pre-production sample before mass production; Always final Inspection before shipment; 
3.what can you buy from us? 
All kinds of forging bars. 
4. why should you buy from us not from other suppliers? 
We have rich experience on forging and heat treatment. 
5. what services can we provide?
Accepted Delivery Terms:FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES; 
Accepted Payment Currency:USD,EUR,CNY; 
Accepted Payment Type: T/T,L/C,D/P D/A,Western Union; 
Language Spoken:English,Chinese,Portuguese,Russian

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