Material:38CrMoALA
Hardness after hardening and Tempering:HB260°~320°
Nitrided Hardness:HV950°~1000°
Nitrided Depth:0.50~0.7mm
Nitrided Brittleness:above 2 stage
Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:HV≥950HV
Chromium-plating Depth:0.05~0.10mm
ALLoy Depth:0.8~2.0mm
Alloy hardness:HRC56°~65°
Alloy:nickel,tungsten,molybdenum
 
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Fax:0580-2027805
Email:yaluoscrew@163.com
Add.:first industrial zone in Jintang Town, Dinghai District, Zhoushan City.China
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