• Depth of Nitration：0.5-0.8mm
• Fragility of Nitration：Less Than Grade One
• Linearity of Screw：0.015mm
• Bimetallic Layer Thickness：2-3mm
• Hardness of Bimetallic：HRC58-62
• Transport Package：Wooden Case, PE Foam Bag
• Specification：CE, ISO, SGS
• Trademark：SKY WIN
• Origin：Nanjing, Jiangsu, China

Base material

1)38crmoala(jis sacm645)

2)cr12mov(jis skd-11)

3)4cr5mosiv1(jis skd-61)

4)42crmo(aisi 4140)

5)9cr18mov

Bimetallic alloy materials

1)fe-based alloy

2)ni-based alloy/deloro alloy

3)co-based alloy

4)nico-based alloy

5)tungsten carbide/wolfram carbide

Bimetallic alloy level

Level a - containing tungsten of 40%

Level b - containing tungsten of 25%

Level c - containing tungsten of 9.5%

DesigningScrew structure and compression ratio can be designed according to different products & different clamping force requirement.Technology parameter

Depth of nitrided layer:0.5-0.8 mm

Hardness of nitrided layer:950-1020hv

Thickness of hard chrome plating layer:0.03-0.08mm

Hardness of hard chrome plating layer:≥950hv

Depth of bimetallic layer:2-3mm

Hardness of bimetallic layer:Hrc58°-62°

Hardness after hardening & tempering:Hb260-290

Nitrided brittleness:Less than grade 1

Surface roughness:Ra 0.4um

Screw straightness:0.015mm

Advantage

1.Long lifetime, low energy consumption

2.Wonderful plasticizing

3.High wear resistance, anti- corrosion

 

SKY WIN Services

  

1) we have more than 1 year gurantee 

2) we can ship the goods within 20 days  

3) we can make different type for screw and barrel as buyer request

4) we always offer the best price to customer

5) we keep improving to make high quality

6) we can mapping the drawing for customer

7) we can give a reasonable suggestion to customer

 

SKY WIN Advantage

1) with high wear resistance and anti-corrosion

2) through processing, it can be prolong use life for screw and barrel

3) cold and heat spraying for hard metal process

4) high-frequency quenching technology

5) advanced nitriding technology

6) processing and manufacturing process for bimetallic

7) lowest price, high quality, delivery on time

 

Now we export to south-east asia, europe, america, middle east countries etc.At the same time, we provide the oe services for hundreds of customer for domestic market.