Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars

Model NO.
steel bar
Composition
Alloy Steel
Technique
Forged
Shape
Bar
Surface Treatment
Black or Rough Machining
Special Use
Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Structural Steel Bar
Forged Steel Bars
Forging Parts
Delivery Time
20-30days
Size Tolerance
-0/+0.5mm
Heat Treatment
Qt or Normalized or Annealing
Transport Package
Seaworthy Pacakging
Specification
200mm-1000mm
Trademark
Shandong
Origin
China
Production Capacity
5000tons
Reference Price
$ 540.00 - 810.00
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Product Description

Alloy Steel Round Bar 4140/Aisi 4140 Round Bar,1.7225 Steel,4140 Round Steel Bar
forged steel bar 
carbon or alloy steel bars
hot forging

forged steel bar 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
forged  steel bar   i nspection:
Spectral Tested, Microstructur e Tested,Hardness Test , Macrostructure Test, Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
forged Steel bar p acking situation:  
standard seaworthy packing or as customer required
forged steel   4140 steel bar d elivery time:  
always ready stock shipped within 7days, 30  days for new material
forged  alloy steel bar production p rocess:    
EAF+LF+VD ( necessary) + UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)
Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars
forged steel bar main grades
 
  Steel grades C Si Mn Cr Mo Ni P S V w
Carbon Structure Steel Q235(B)/SS400/S235JR/A36 ≤  0.20 ≤ 0.35 ≤1.4 0.3-0.4   ≤ 0.30 ≤  0.045 ≤ 0.045    
20#/CK22, CK20/1020/
050A20/S20C 		0.17-0.23 0.17-0.37 0.35-0.65 0.3-0.4   ≤ 0.30 ≤  0.035 ≤ 0.035    
45#/CK45, C45/1045/080M46/S45C 0.42-0.5 0.17-0..37 0.5-0.8 0.3-0.4   ≤ 0.30 ≤  0.035 ≤ 0.035    
Alloy Structure Steel 20Cr/20Cr4/5120/527A19/SCr420H 0.18-0.24 0.17-0.37 0.50-0.80 0.70-1.00 ≤ 0.15 ≤ 0.30 ≤  0.035 ≤ 0.035    
40Cr/41Cr4/5140/520M40/SCr440 0.37-0.44 0.17-0.37 0.5-0.8 0.8-1.1 ≤ 0.15 ≤ 0.30 ≤  0.035 ≤ 0.035    
30CrMo/4130/1717COS110/
SCM420 		0.26-0.34 0.17-0.37 0.4-0.7 0.8-1.1 0.15-0.25 ≤ 0.30 ≤  0.035 ≤ 0.035    
35CrMo/34CrMo4/4135/708A37 0.32-0.40 0.17-0.37 0.4-0.7 0.8-1.1 0.15-0.25 ≤ 0.30 ≤  0.035 ≤ 0.035    
42CrMo/42CrMo4/4140/708A42/
708M40 		0.38-0.45 0.17-0.37 0.5-0.8 0.90-1.2    0.15-0.25 ≤ 0.30 ≤  0.035 ≤ 0.035    
8620H 0.17-0.23 0.15-0.35 0.65-0.95 0.35-0.65 0.15-0.25 0.35-0.75 ≤0.025 ≤ 0.035    
40CrNiMoA/40CrNiMo22/4340/
871M40/SNCM439 		0.37-0.44 0.17-0.37 0.50-0.80 0.60-0.90 0.15-0.25 1.25-1.65 ≤  0.025 ≤ 0.025    
Spring Steel 55Si2Mn/55Si7/9255/250A53/SUP6 0.52-0.60 1.50-2.00 0.60-0.90 ≤ 0.35   ≤ 0.35 ≤  0.035 ≤ 0.035    
60Si2MnA/65Si7/9260/250A61/SUP7 0.56-0.64 1.60-2.00 0.70-1.00 0.3-0.4   ≤0.35 ≤  0.025 ≤ 0.025    
50CrVA/50CrVA/6150/735A50/SUP10 0.47-0.54 0.17-0.37 0.50-0.80 0.80-1.10 ≤0.15 ≤0.30 ≤  0.025 ≤ 0.025    
GCr15/100Cr6/E52100/534A99/SUJ2 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65 ≤ 0.10 ≤0.30 ≤  0.025 ≤ 0.025    
Bearing  Steel 52100 0.93-1.05 0.15-0.35 0.25-0.45 1.35-1.60 ≤ 0.10 ≤0.25 ≤  0.025 ≤ 0.015    
Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars
Ck45 SAE1045 C45 4140 4130 Scm440 Steel Forging/Forged Steel Bars
 

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