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TOBO STEEL GROUP CHINA

  • China,Shanghai ,Shanghai
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China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength

  1. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  2. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  3. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  4. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  5. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  6. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  7. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  8. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  9. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  10. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  11. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  12. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  13. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  14. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength
  15. China Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength

Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength

  1. MOQ: 1 PCs
  2. Price: Negotiation
  3. Get Latest Price
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 10000 pcs / month
Delivery Time 15-30 Working days
Packaging Details According to your requirements
Productname Alloy Steel Round Bar
Elongation >=10%
Application Widely usage
Yield Strength >=540
Corrosion Resistance High
Process Hot rolled
Surfacefinish Hot Rolled / Cold Drawn
Outer Diameter 4”
Lengthrange 1m to 6m
Type Alloy Steel Bar
Item Alloy steel Bar
Annealed Hardness 170-207
Processing Service Bending, Welding, Cutting, Punching
Delivery Condition within15 days after received the deposit
Impact Value ≥50 J
Brand Name TOBO
Model Number Alloy Steel Round Bar
Certification CE&ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability 10000 pcs / month
Delivery Time 15-30 Working days Packaging Details According to your requirements
Productname Alloy Steel Round Bar Elongation >=10%
Application Widely usage Yield Strength >=540
Corrosion Resistance High Process Hot rolled
Surfacefinish Hot Rolled / Cold Drawn Outer Diameter 4”
Lengthrange 1m to 6m Type Alloy Steel Bar
Item Alloy steel Bar Annealed Hardness 170-207
Processing Service Bending, Welding, Cutting, Punching Delivery Condition within15 days after received the deposit
Impact Value ≥50 J Brand Name TOBO
Model Number Alloy Steel Round Bar Certification CE&ISO
Place of Origin China
High Light Forged alloy steel round bar 42CrMoHot rolled alloy steel bar 4140High strength alloy steel round bar SAE 1045

Forged & Hot Rolled Alloy Steel Round Bar 42CrMo/4140/SAE 1045 High Strength

 

This high-performance round bar adopts hot rolled + forged combined process, integrated with the advantages of both processes—hot rolling ensures uniform internal structure and good ductility, while forging enhances density, tensile strength and wear resistance, making it suitable for high-demand industrial applications. It is available in three high-quality material grades: 42CrMo, SAE 1045 and 4140, each with unique properties to meet diverse project requirements.
 
42CrMo alloy steel boasts excellent hardenability, toughness and fatigue resistance, ideal for manufacturing high-load components such as shafts, gears and connecting rods. SAE 1045 is a medium-carbon steel with good machinability and mechanical strength, suitable for general structural parts and machinery accessories. 4140 alloy steel offers superior tensile strength and wear resistance, widely used in precision machinery, automotive parts and heavy-duty equipment.
 
The round bar features precise dimensional tolerance, uniform material properties and a smooth surface (black skin, peeled or polished optional). It is widely applied in machinery manufacturing, automotive engineering, mold processing, engineering equipment and other fields. Strict quality control, including chemical composition analysis and mechanical performance testing, ensures compliance with international industry standards, providing a reliable, durable and cost-effective material solution for industrial production.
 
 
Products round bar
Material SS400 S45C S20C
Standard ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167
Length 3-12m
Size 8-400mm
Application ships building industry,petroleum,chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields.
Payment Terms L/C , T/T or Western Union

 

ABOUT US

We specialsied in kinds of steel products more many years,especially in hot rolled steel round bars ,square bars,flat bars ,cold drawn bars and forged bars.
Our main material are all carbon steel and alloy steel ,such as :aisi1020 1035 1045 1055 s20c s35c s45c s55c ss400 a36 c20 c35 c45 ck45 aisi4140/scm440 aisi4340/40crnimoa aisi8620H,40cr,gcr15,sae52100,20Mn,40Mn,St52,St37,S235JR,etc

1. Grade:

45# 45B S45C C45 CK45 Cm45 AISI1045 SAE1045 ASTM1045 XC45 1.0503 0.1191 1.1201

2. Specification:

Dia: 20-300mm, Length:2000-13000mm or as required

3. Process:

Hot rolled, black surface

4. MOQ:

20mt.

5.. Chemical composition:

Grade C Si Mn P S B
45#

0.42

0.50

0.17

0.37

0.50

0.80

Max

0.035

Max

0.035

 
45B

0.42

0.49

0.17

0.37

0.60

0.90

Max

0.035

Max

0.035

0.0005

0.0035

S45C

0.42

0.48

0.15

0.35

0.60

0.90

Max

0.030

Max

0.035

 
1045

0.43

0.50

0.15

0.35

0.60

0.90

Max

0.030

Max

0.050

 

6.Quality condition

 

1): Straightness: 3mm/m (max)
2): Corner Radius: 3(max)
3): The ends will be end cut or gas cut
4): No cracks on the surface

7. Standard:

According to national standard (GB)for our products, if not, supply according to national standards(GB) or agreement.

Standards

ASTM / ASME,GB,DIN, JIS,T14975, etc
Steel Grade
200, 201B , 201H ,301, 303, TP304, TP304L/304L, 321 ,TP321, 316, TP316L, 316L, 316Ti,
Out Diameter
6mm to 2000mm or customized
Wall Thickness
0.5-220mm
Length
5.8m ,6m,or customized
Tolerance
Out diameter : +/-0.15mm ,Thickness: +/-11% of wall thicknessLength: +/-4.5mm - 0mm
Surface
Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4
MOQ
1 ton
Supply ability
3000 tons per month
Packing
3, bundles to be covered by polythene & strapped securely
Payment terms
T/T or L/C,TT 30% in advance ,70% balance after received B/L copy
Delivery terms
FOB CFR CIF EX Works DDU
Delivery time
Within 5-20 days after received the deposit or as client's requirements

 

                                              

 

 

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delivery&packing


Packaging: In wooded cases , pallets or according to clients' requirements


Shipping: Tianjin port, Shanghai port and the other main ports in China


Our service
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.


Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Agent,Importer,Exporter,Trading Company,Seller

  • Year Established:

    1998

  • Total Annual:

    3,000,000-10,000,000

  • Employee Number:

    200~300

  • Ecer Certification:

    Verified Supplier

TOBO GROUP sales head offce in Shanghai.   We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai.   We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...

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Get in touch with us

  • Reach Us
  • TOBO STEEL GROUP CHINA
  • No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China
  • https://www.tobo-group.com/

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