Follow us:-

45Cr hot rolled round bar and forged round bar

  • 51 Views
  • 11-May-2024

45 Cr hot rolled round bars and forged round bars is belongs to alloy round bars . Compared with 40 cr round bars , Its strength, abrasion resistance and harden ability are higher than 40 Cr round bars , its critical hardening can reach to Ф12 ~ 45 in oil and the critical hardening can reach to Ф 26 ~ 71 mm in water ,but the toughness is low;It is mainly used to make some important parts, and it also can be made bearing, various parts of the required high wear resistance, such as gear, sleeve, shaft, pin, etc . 

45Cr hot rolled round bar

The delivery condition 45 Cr round bar are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
The size for 45 Cr round bar which available for our KUNFENG steel are Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar ,the length range is from 3000 to 12000mm.
The tolerance of the diameter is -0/+3mm ,The tolerance of the length is -0/+20mm.and the straightness tolerance is ≤3mm/m
surface delivery status: black/polishing/turning
The UT standard what we can do for Chinese standard are GB/T 6402 I,II,III and export standard are SEP1921 CLASS C/C,D/D,E/E. 

The Chemical composition of the 45Cr hot rolled and forged round bar analysis -% by mass

GRADE

C%

Si%

Mn%

P%

S%

Cr%

Cu%

Ni%

45Cr

0.42-0.49

0.17-0.37

0.50-0.80

0.035

0.035

0.80-1.10

0.03

0.03

The Mechanical properties of the 45Cr hot rolled and forged round bar

GRADE

Tensile Strength min

Yield Strength min

Elongation min.

contraction min

impact min

Hardness Max

σb/M Pa

σs/M Pa

δ5/%

ψ/%

Aku2/J

HBS

45Cr

1030

835

9

40

39

219

As a professional global steel supplier, KUNFENG STEEL promise we can offer you the qualified45 Cr hot rolled round bars and forged round bars at the competitive price and rapid delivery time. We keep many 45 Cr hot rolled round bars and forged round bars with the top quality in our warehouse, So hereby, we sincerely hope you join us,let's join hands to make you be the No.1 in your local steel market.

Tags: 42CrNiMoV, 42CrMo, 42CrMo4

Related Post

GB713 12Cr2Mo1R Steel Plates

GB713 12Cr2Mo1R steel is a alloy pressure vessel steel with specified elevated temperature properties. Generally, 12Cr2Mo1R plates shall be delivered in hot rolling, controlled rolling or normalizing condition.

Q215B welded steel pipe under GB/T13793-2008 standard

Q215B welded steel pipe is a carbon structural steel which under GB/T13793-2008 standard, Q215B welded steel pipe has high plasticity, toughness and welding performance, good pressure processing performance, the largest output, uses a wide, multi-rolled into sheet metal

GB/T1591 Q345B H/I Beam/ channel steel

GB/T1591 Q345B H/I Beam/ channel steel is steel with less than 0.2 percent of its composition made up of carbon, less than 0.55 percent of its composition made of silicon and several impurities (mostly sulfur, chromium and nickel).

3004 Aluminum Coil

Chemical Composition