SAF brake disc 4079000300
Chemical Composition
Material C Si Mn S P Cr
HT250/G3000 3.10-3.55% 1.90-2.40% 0.50-0.90% 0.15% max. 0.15% max. 0.25% max.
Microstructure
Graphite Structure: Predominately Type A, Size 3-5
Pearlite: 95% min. Ferrite: 5% max.
Mechanical Property
Hardness: 187 - 241 HB Tensile Strength: 220 Mpa (min.)
Machining Requirement
Runout: 0.05mm (max.) DTV: 0.127mm (max.)
Roughness: Ra 1.6μm (max.) Dynamic Balance:100% Balanced
Contact: Jessie Zhang
Phone: +86 15666223349
Tel: +86 15666223349
Company: QINGDAO JK AUTO PARTS CO., LTD
Add: NO.171 SHANDONG ROAD SHIBEI DISTRICT, QINGDAO CITY, SHANDONG PROVINCE, CHINA
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