Details:
Carbon tool steel ----- T13
Product Description: T13 (GB / T 1298-1986) ω /%
T13 steel, carbon tool steel is the highest carbon content in steel, the highest wear resistance, but also applies to making the most brittle scraper, rasp, razor, cutting tools, drawing tools, sculptured stone processing tools and hardware tools, etc., can also be used requirements for high wear resistance against the impact of mechanical parts.

Chemical composition:
Carbon C: 1.25 ~ 1.35
Si Si: ≤ 0.35
Manganese Mn: ≤ 0.40
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.035
Chromium Cr: promised to the residual content of ≤ 0.25, ≤ 0.10 (when manufacturing lead bath quench wire)
Ni: to promise the residual content of ≤ 0.20, ≤ 0.12 (when manufacturing lead bath quench wire)
Copper Cu: agreed to the residual content of ≤ 0.30, ≤ 0.20 (when manufacturing lead bath quench wire)
Note: The promise of residual content of Cr Ni Cu ≤ 0.40 (when manufacturing lead bath quench wire)
Mechanical properties:
Hardness: Annealed, ≤ 217HB, indentation diameter ≥ 4.10mm; quenching, ≥ 62HRC
Heat Treatment:
Heat treatment specifications: sample quenching 760 ~ 780 ℃, water-cooled.
● Delivery status: the status of delivery of steel to annealing. By mutual agreement, may not annealed state delivery.