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Name: 优德88中文客户端_w优德88com_优德88娱乐
Material: Y20(1117) 
Price: discuss on tel 
Details:
Free cutting steel structural steel----Y20(1117)
Introduction: Y20(GB/T 8731--1988) ω/%
Chemical ingredients:
Code
C
Si
Mn
Ti
Cr
P
S
pb
Y20
0.17.25
0.15-0.35
0.70-1.00
≤0.06
0.08-0.15

Performance and application: low sulfur phosphorus compound free cutting steel, machinability is superior to the IO steel, but lower than that of Y12 steel, but more Y12 good mechanical properties.

Application: instrument parts. After cutting shape, can undertake carburizing treatment, used to make hard surface toughness at the centre of the instruments and meters, axial wearing parts, etc

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