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T8 hot rolled round bars and forged round bars
T8 round bar belongs to Carbon tool and Plastic mold round bar under the standard of GB/T 1298-1986
After heat quenching tempering ,hot rolled round bars and forged round bars
has higher hardness and wear resistance.
It mainly used as the need to have high hardness and wear resistance of various tools, such as shape simple mold and punch, cutting of metal cutting tools, drilling tools, woodworking cutter, countersink, Saxe, chisel, longitudinal hand with saws, and bench work assembly tools.
The delivery condition T8 round bar are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
The size for T8 round bar which available for our bebon 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 are Chinese standard of GB/T 6402 I.II,III and export standard SEP1921 CLASS C/C，D/D，E/E.
The more information of T8 hot rolled and forged round bar shown in the following table:
T8 hot rolled and forged round bar Chemical composition analysis -% by mass
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Cu% |
Ni% |
|
T8 |
0.75-0.84 |
0.35 |
0.4 |
0.035 |
0.03 |
0.25 |
0.30 |
0.20 |
The Mechanical properties of the T8 hot rolled and forged round bar .
Hardness: annealing acuities ≤187HB, indentation diameter ≥4.40mm; Quenching acuity ≥62HRC
As the professional T8 hot rolled round bars and forged round bars supplier in China.
Bebon will supply you T8 hot rolled round bars and forged round bars .with good quality and complete after-sale service and the lowest price. We committed to exceed customer’s expectation on the basis of quality, price, and delivery. We sincerely hope to establish long-term cooperation relations with you on the basis of mutual benefit, reciprocity and common development. So if you need any help ,please be free to contact us.We will give you the best quote of T8 hot rolled round bars and forged round bars .