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P20 hot rolled round bars and forged round bars
P20 is belongs to The pre hardened plastic die steel,The steel has good machinability and mirror grinding performance.it is suitable for the production of plastic mold and die casting mold material of low melting point metal.
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.
Ttolerance of the diameter: -0/+3mm ,The tolerance of the length is -0/+20mm.
The straightness tolerance is ≤3mm/m surface delivery status: black/polishing/turning
Standard: GB/T 6402 I.II,III and export standard SEP1921 CLASS C/C，D/D，E/E.
Delivery condition P20 round bar are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
P20 hot rolled and forged round bar Chemical composition analysis -% by mass
|
GRADE |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Cu% |
Ni% |
|
P20 |
0.42-0.48 |
0.15-0.35 |
0.60-0.90 |
0.03 |
0.035 |
0.2 |
0.30 |
0.03 |
P20 hot rolled and forged round bar Mechanical properties
|
GRADE |
Tensile Strength min |
Yield Strength min |
Elongation min. |
contraction min |
impact strength min |
Hardness Max |
|
σb/M Pa |
σs/M Pa |
δ 5/% |
ψ /% |
J/cm2 |
|
|
|
P20 |
686 |
490 |
17 |
45 |
78 |
20-269 |
As the professional Chinese P20 hot rolled round bars and forged round bars supplier. Bebon Will supply you P20 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 P20 hot rolled round bars and forged round bars .