原材料應用及技術參數 Material and Technical Parameters
◎調質硬度	HB260~320
◎氮化硬度	HV950~1000
◎氮化深度	0.50~0.7mm
◎氮化脆性	≤二級
◎表面粗糙度	Ra0.4
◎螺桿直線度	0.01 5mm
◎氮化后表面鍍硬鉻度	HV≥950
◎鍍鉻層厚度	0.05~0.10mm
◎合金深度	0.8~2.0mm
◎雙合金硬度	HRC56~65
(合金采用[鐵][鎳][鎢][鉬]基合金)

螺桿原材料應用/ Raw material application:

原材料/ Raw material:	成品處理要求/ Finished product treatment reqirements
38CrMoAIA, SACM645，42CrMo	滲氮處理/ Nitriding treatment
42CrMo, AISI4140	電鍍硬鉻層/ Chromed
Cr12MoV, SKD11, SKD61, YXMI, EFZD, DC53, SKH55, SKH59, SKH58, SKH51, SKH-9, ASP60, ASP30，ASP25, CW6Mo5Cr4V2	合金鋼，高頻淬火/ Alloy steel ,High frequency quenching
4Cr5MoSiV1, SKD-61, SKD-11	噴涂雙金屬合金層再滲氮處理/ bimetallic layer ,and nitriding treatment
YPT72, DAC-MAGIC, 4Cr5MoSiV1	雙合金屬整體包覆/ Cover bimetallic
HPM38, SI36, SUS440, 9Cr1 8MoV	不銹[鐵]鋼，高頻淬火/ Stainless steel [iron] ,High frequency quenching
GHII3	高溫工作自然硬化/ High temperature, hardening work nature

機筒原材料應用/ Barrel raw material application

原材料/ Raw material	成品處理要求/ Finished product treatment reqirements
38CrMoAIA, SACM645	滲氮處理/ Nitriding treatment
Cr12MoV, Cr12	合金鋼,高頻淬火/ Alloy steel, high frequency quenching
38CrMoAIA, SACM645, 40Cr, AIS14140, 42CrMo	內孔離心澆鑄雙合金屬/ The inner hole centrifugal casting bimetallic
GHIl3	高溫工作自然硬化/ High temperature ,hardening work nature