Product Main

Specifications

Specifications
1.Alloy steel round bar AISI4140
2.Process:EAF+LF+VD
3.Certificate: CCS, GL, RS,BV,ISO9001
4.Dia:100mm-1200mm
5.Length:3-12m
Alloy Round Steel Bar AISI 4140
 
 Material:
  Steel Round Bar AISI 4140 
 Process:
  EAF + LF + VD + Forged + Heat Treatment (optional)
 Diameter:
  100mm-1200mm 
 Length:
  3000mm-12000mm   Straightness: 3mm/M max
 Heat treatment:
  Normalized / Annealed / Quenched / tempered
 Delivery condition:
  Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
 Technical Data:
 According to the customer's requirement of Chemical Composition, Physical  Properties and Mechanical Testing 
 Test:
 Ultrasonic test according to SEP 1921-84 G3 C/c
 Delivery time:
  60 days after advanced payment
 Payment:
 30% advance by T\T; Balance pay before the shipment against shipping documents  or irrevocable LC at sight
 
Chemical composition (%)
Grade
C
Si
Mn
P≤
S≤
Cr
Mo
Ni≤
Cu≤
SAE 4140
0.38-0.43
0.15-0.35
0.75-1.00
0.030
0.040
0.80-1.10
0.15-0.25
0.25
0.35
 
 
 Products: We mainly manufacture more than 300 kinds of forging products, such as alloy structural steel, alloy tool steel, carbon structural steel, carbon tool steel, bearing steel, roller steel, non-corrosive steel, refractory steel, spring steel and harden ability structural steel.
 
Any interests in our company and products, please feel free to contact us for quotation. We warmly welcome you to our factory.