PRODUCTS CENTER


Ceuta JL138 Series - Double alloy screw

Category:

CeutaDouble alloy screw series

Product Description

Technical index:
Tempered hardness: HV270-320
Substrate hardness: HV900-1000
Alloy hardness: HRC58°-63°
Alloy layer hardness: 1.0mm-3.0mm
Surface roughness: Ra0.4
Screw straightness: 0.015mm
Scope of application: general purpose plastic + glass fiber less than 30%

Jiayue China Japan USA Germany Technology
JL QD JIS AISI DIN Technology
JL138-1 38CrMoALA SACM645 647OE 34CrAINi7 Nitrding
JL138-2 42CrMo SCM440 514O 1.7035 Electroplate
JL138-3 42Cr5MoSiV1 SKD61 H13 1.2344 Vacuum + Nitriding