Gold Member Since 2014
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Qingdao Helio Steel Co., Ltd.

Forging Bar, Forging Round Bar, Forged Bar manufacturer / supplier in China, offering Forged Round Bar /Forged Parts 4130 4140 4150, Cold Drawn Steel Bars S25c S30c S35c, AISI 1045/DIN 1.1191/JIS S45c Hot Rolled Carbon Steel Round Bar and so on.

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Supplier Homepage Product Steel bar for machine Alloy steel bar Forged Round Bar /Forged Parts 4130 4140 4150

Forged Round Bar /Forged Parts 4130 4140 4150

FOB Price: US $1,500 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $1,500/ Ton
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Production Capacity: 1000 Ton/Tons Per Month SKD61 Mould Steel Plate
Transport Package: Standard Seaworthy Packaging
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: 4130 4140 4150
  • Standard: AISI, ASTM, GB, JIS, DIN, BS
  • Application: Structural Steel Bar
  • Alloy: Alloy
  • Length: as Customer Requirement
  • Diameter: 80-1500mm
  • Trademark: helio steel
  • Origin: Shandong China
  • Type: Alloy Steel Bar
  • Technique: Forged
  • Surface Treatment: as Customer Requirement
  • Special Use: Shaft/Machinery Parts
  • Product Name: Forged Round Bar /Forged Parts 4130 4140 4150
  • Material: 4130 4140 4150
  • Specification: 80-1500mm
  • HS Code: 72283090
Product Description

forged round bar /forged parts 4130 4140 4150


1.Material&chemical composition
GradeCSiMnPSNiCr Mo Cu 
AISI4140
 (42CrMo4)
0.38-
0.41
0.15
0.35
0.85
1.00
 Max
0.015
 Max
0.040
 Max
0.25
0.80
1.10
0.15
0.25
 Max
0.35
Al(0.012
   0.030)
AISI41500.48-
0.53
 0.15
 0.35
0.75
1.00
 Max
0.035
 Max
0.040
 Max
0.25
0.80
1.10
0.15
0.25
 Max
0.35
V(0.012
   0.030)
ASTM 
A193(2005)
 B16
0.36-
0.47
0.15
0.35
0.45
0.70 
 Max
0.035
 Max
0.040
 0.80
1.15
0.50
0.65
 V(0.25
   0.35)
Al  Max
  0.015
S55CB0.52-
0.58
0.15
0.35
0.60
0.90 
 Max
0.030
 Max
0.035
 Max
0.020
 Max
0.020
  Max
0.30
B(0.002
   0.003)
4130  
 (25CrMo4)
0.28-  0.330.15-0.350.40-0.60 Max
0.035
 Max
0.040
 0.80- 1.100.15- 0.25  
4135
 (35CrMo4)
0.33- 0.380.15- 0.350.70- 0.90 Max
0.035
 Max
0.040
 0.80- 1.100.15-  0.25  
  
Diameter:

16-310:   hot rolled 
80-1500:  forged

Heat treatment: Annealed/Quenching&Tempering/normalizing
Length:as customer requirement 
Surface:peeled/Polished/Rough turning 

4.Applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.Heat Treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
6.Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C 
7.Process:  EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional) 
8.Delivery time:within 20 days after confirmation
9.MOQ:10MT 


Forged Round Bar /Forged Parts 4130 4140 4150

Forged Round Bar /Forged Parts 4130 4140 4150
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