37SiMn2MoV hot rolled and forged round bars is the steel under the standard of GB/T 3077-1988.It is a kind of comprehensive performance excellent senior quenched and tempered steel, 37SiMn2MoV hot rolled and forged round bar has high harden ability, high strength and toughness after quenched and tempered.
The are used in the manufacture of large cross section under heavy load of conditioning parts and surface quenching parts, such as heavy machinery axle, gear, Rotor. Large bolts, etc.
The delivery condition 37SiMn2MoV round bar are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
The size 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 more information of 37SiMn2MoV hot rolled and forged round bar shown in the following table:
37SiMn2MoV Chemical composition
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Cu% |
Ni% |
Mo |
v |
37SiMn2MoV |
0.33~0.39 |
0.60~0.90 |
1.60~1.90 |
0.35 |
0.35 |
0.30 |
0.30 |
0.30 |
0.40~0.50 |
0.05~0.12 |
37SiMn2MoV hot rolled and forged round bars Mechanical properties
GRADE |
Tensile Strength min |
Yield Strength min |
Elongation min. |
contraction min |
impact strength min |
Hardness Max |
σb/M Pa |
σs/M Pa |
δ5/% |
ψ/% |
J/cm2 |
HBS |
|
37SiMn2MoV |
980 |
835 |
12 |
50 |
63 |
269 |
KUNFENG is the professional 37SiMn2MoV hot rolled and forged round bar supplier in China.If you need 37SiMn2MoV hot rolled and forged round bar , we can put the 37SiMn2MoV hot rolled and forged round bar order to our steel mill directly or collect these goods from our stock directly if we have enough ex-stock on stock .Besides. if you need any offer or if you want to know the price and any other information about 37SiMn2MoV hot rolled and forged round bar,please be free to contact us.