China
联系人 Mr. Frank
Donghai West Road 2121, Zhoushan, Zhejiang
Technical parameter:
Diameter of screw: *****0
L/D ratio: ****5
Hardness after hardening and tempering: HB******0
Nitriding hardness: *******0HV
Nitrided layer depth: 0.**0.8mm
Nitrided brittleness: Less than grade 2
Surface roughness: Ra0.4
Linearity of screw: 0.**5mm/m
Bimetallic layer depth: ≥3mm
Bimetallic hardness: HRC****2
Hard-chrome plating hardness after nitriding:
≥**0HV
Chrome-plating layer depth: 0.**5~0.*0mm
Material:
High-quality alloy steel
*8CrMoAlA (JIS SACM**5)
*2CrMo (AISI ***0)
9Cr*8MoV
国家: | China |
型号: | 75, 90, 112, 135 |
离岸价格: | 1000 ~ 1500 / Set ( Negotiable ) 获取最新报价 |
位置: | China |
最小订单价格: | 1000 per Set |
最小订单: | 1 Set |
包装细节: | wooden case |
交货时间: | 15 to 20 days |
供应能力: | 1000 Set per Month |
付款方式: | T/T |
產品組 : | parallel twin screws and barrel |