DONGGUAN YUFANG STEEL CO.,LTD523869About UsNo5 shachong Road,chang'an town,dongguan city,guangdong,chinaDongguan Yufang Steel Co, Ltd was Established on Sep 15th,2005, which belongs to GUANGDONG JIARUN INDUSTRIAL GROUP,Jiarun Group comapny deal with Commercial operation, hotel management, property management, steel trading, Yufang Steel belongs to its steel trading sector,Yufang steel located in Chang'an Town,Dongguan City,known as' the world factory", covering an area of 23,000 square meters. We are the authorized Disturbor of Shanghai Bao steel in south china, directly cooperate with Liugang mill, Xin yu mill, An steel and Xing cheng mill etc, now we have good cooperative relationships with more than 100 foreign importers in differe

SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar
SCM440 Alloy Steel Round bar

SCM440 Alloy Steel Round bar

Model NO.
AISI 4140/DIN 1.7225/SCM440/42CrMo
Delivery
FOB,CIF,CFR,EXW etc
Minimum order quantity
20 tons
Supply Ability
3000 tons / Month
Country of Origin
shenzhen
Stock Time
7 Days
SCM440
Quantity:

SCM440 Alloy Steel Round bar

Product Overview 

SCM440 is a high-performance chromium-molybdenum alloy steel, widely regarded as the industry standard for components requiring high strength, excellent toughness, and superior wear resistance. Known globally for its consistent mechanical properties and exceptional hardenability, SCM440 is the preferred choice for manufacturing high-stress automotive parts, industrial machinery spindles, and precision gear components. Whether in the annealed or quenched and tempered (QT) condition, our SCM440 round bars deliver reliable performance for the most demanding applications.

1.Chemical composition:

C=0.38~0.43, Si=0.17~0.35, Mn=0.75~1.0,P≤0.03,S≤0.03,Cr=0.80-1.10,Mo=0.15-0.25  
 

2.Delivery condition:

Hot rolled or Hot Forged,Black surface  or Machined surface
Hardness:<=230HB (annealed)
Hardness:28-35HRC (Q+T)

3.Size specification

SCM440 Alloy Steel Round bar
Dia: 12~450MM
Length: 2000~5800MM

We also can cut the length based on your requirements
 

4.SCM440 Alloy Steel Round bar Material character:
---One of the chromium, molybdenum, manganese low alloy steels noted for toughness, good torsional strength and good fatigue strength

---Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength.

5.SCM440 Alloy Steel Round bar Application:

  • Automotive Industry: Crankshafts, connecting rods, axle shafts, and high-tensile bolts.

  • Industrial Machinery: Gears, pinions, pinions, and heavy-duty drive shafts.

  • Power & Energy: High-pressure pump components, drill collars, and turbine shafts.

  • Precision Tooling: Jigs, fixtures, and machine tool components requiring high stability.​​​​​​​


6.Payment:TT,LC at sight,UPAS LC

7.Delivery time:

---3-10days for ready stock

---15-60days for new production products
------------------------------------------------------------------------------------------------------------------

  • Type:Alloy Steel Bar
  • Special Use:Mold Steel
  • Alloy Or Not:Is Alloy
  • Application:Structural Steel Bar
  • Technique:Hot Rolled
  • Model Number:scm440
  • Brand Name:yufang
  • Place of Origin:dongguan,china
  • Dimensions:16-300mm
  • Standard:GB; DIN; AISI; JIS
  • Steel Grade:scm440

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