S7 hot holled steel round bar is belongs to shock -wearing tool round bar and it under the standard of AISI. S7 round bar has high toughness and high wear-resisting, and the S7 round bars are mainly used for made bearing, various parts of the required high wear resistance, such as gear, sleeve, shaft, pin, etc .
S7 hot rolled round bar
S7 forged steel round bar details:
Standard:GB/T 6402 I,II,III and export standard SEP1921 CLASS C/C,D/D,E/E.
Sizes: Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar
Length range: from 3000 to 12000mm.
The tolerance of the diameter : -0/+3mm ,The tolerance of the length is -0/+20mm.
The straightness tolerance: ≤3mm/m
Surface delivery status: black/polishing/turning
S7 Alloy steel round bars chemical composition
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Mo% |
Ni+Cu% |
S7 |
0.45-0.55 |
0.20-1.00 |
0.20-0.90 |
0.030 |
0.030 |
3.00-6.35 |
0.30-1.80 |
0.75 |
S7 steel round bar delivery condition: hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
As a professional global S7 forged steel round bar factory, KUNFENG can offer you the qualified S7 hot rolled round bars and forged round bars at the competitive price and rapid delivery time. And the dimension of the hot rolled round bars and forged round bars, we can produce as our customer's requirement. We keep many S7 hot rolled round bars and forged round bars 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: 45CrNiMoVA, 38CrSi,38CrMoAl