上海11选5开奖结果

Building block screw barrel

Building block screw barrel

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Product Details

Specification:

Parallel twin screw series: Φ18-Φ177mm

Material:

1) W6Mo5Cr4V2

2) 38CrMoAlA (JIS SACM645)

3) 42CrMo (AIS14140)

4) S45C

Processing process:

1) Heat treatment

2) High frequency quenching

3) Nitriding treatment

Technical Parameters:

OD to diameter ratio: 1.55

Nitriding depth: ≥0。4mm

Nitriding hardness: 900-1000HV

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