Type: Knives;Certification: CIQ;Brand Name: DAOMACHEN;Model Number: 012;Knife Type: Chef Knives;Feature: Eco-Friendly;Material: Damascus steel; 
[name]: 8 inch Damascus chef knife
[edge]: Damascus
[Weight]: 220g
[Full length]: 33cm
[Blade length]: 20cm
[Blade thickness]: 2.5mm
[color handle]: wood handle double steel head
[features]: sharp and durable; environmental health; light and energy saving
Standard: GB/T 1220-1992
The characteristics and application scope:
Hardening state, hard, but more than 8Cr17, 11Cr17 high toughness. Used as cutting tools, measuring tools, bearings.
The chemical composition:
Carbon C:0.60 ~ 0.75
Si: Si = 1
Mn: Mn = 1
Sulfur: S = 0.030
P: P = 0.035
Cr Cr:16.00 ~ 18
Ni Ni: allows containing less than 0.60
Mo Mo: add less than 0.75
- Mechanical properties:
Hardness: annealing, quenching and tempering, less than 255HB; more than 54HV
The specification of heat treatment and microstructure:
Heat treatment specification: 1) 800 ~ 920 degrees of annealing, quenching, slow cooling; 2) 1010 to 1070 DEG C oil cooling; 3) tempering, 100 to 180 DEG C fast cooling.
Microstructure: the organizational characteristics of martensite.
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