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15CrMn hot rolled round bars and forged round bars
15CrMn steel round bar is belongs to alloy structural round bar and it under Chinese standard GB/T 3077-1988. 15CrMn round bar is carburizing round bar with good harden ability, Its surface hardness is high and good abrasion resistance. The more information of 15CrMn hot rolled and forged round bar shown in the following table:
15CrMn round bar delivery condition: Hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
15CrMn round bar size: 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
UT standard are Chinese standard of GB/T 6402 I,II,III and export standard SEP1921 CLASS C/C,D/D,E/E.
15CrMn hot rolled and forged round bar Chemical composition
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Cu% |
Ni% |
15CrMn |
0.12-0.18 |
0.17-0.37 |
1.10-1.40 |
0.035 |
0.035 |
0.40-0.70 |
0.03 |
0.03 |
15CrMn hot rolled and forged round bar Mechanical properties
GRADE |
Tensile Strength min |
Yield Strength min |
Elongation min. |
contraction min |
impact min |
Hardness Max |
σb/M Pa |
σs/M Pa |
δ5/% |
ψ/% |
Akv/J |
HBS |
|
15CrMn |
785 |
590 |
12 |
50 |
47 |
179 |
15CrMn hot rolled round bars application:
15CrMn hot rolled round bars and forged round bars are used in the manufacture of the gear, worm gear, plastic mold, steam turbine oil seal and shaft sleeve and soon.
As a professional global steel supplier, we promise we can offer you the qualified 15CrMn hot rolled round bars and forged round bars at the competitive price and rapid delivery time. We keep many 15CrMn 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.