伊人天伊人天天网综合视频,《花火》在线观看,爱成人综合网 ,特大黑人娇小亚洲女丨夜色毛片永久免费丨精品露脸国产偷

CHINESE|ENGLISH
Current Location:Home > Products > Accessories Of Screw And Barrel > Screw Tip Assembly (Alloy Spraying, Chrome Plating, Coating)

Products

Parameters:

Brief introduction:

Screw Tip Assembly (Alloy Spraying, Chrome Plating, Coating)

Basic parameters:

The outer diameter of the Screw Tip Assembly : 15mm≤d≤300mm

Material: SKD61, HPT series, 38CrMoAL, 42CrMo

Process: coating, alloy spraying, electroplating, gas nitriding, quenching + ion nitriding

Finish     :Ra≤0.4

Thickness of Chrome plating layer: 0.03-0.05mm

lloy hardness: nickel-based HRC54-58     Tungsten carbide: HRC58-60

Thickness of alloy layer: 1.5-2mm


Scope of application:

Composition and process:

展開