HONGQI INSTRUMENT (CHANGXING) CO.,LTD , https://www.hongqi-instrument.com
1. Bimetalic screw
2. CNC milling machine
3. Durable
Technical Index
1. Hardness after hardening and tempering: HB280-320
2. Nitrided Hardness: HV850-1000
3. Nitrided case depth: 0.50-0.80mm
4. Nitrided brittleness: Less than grade 2
5. Surface roughness: Ra 0.4
6. Screw straightness: 0.015 mm
7. Surface chromium-plating's hardness after nitriding: ≥ 900HV
8. Chromium-plating depth: 0.025~0.10 mm
9. Alloy Hardness: HRC50-65
10. Alloy depth: 0.8~2.0 mm
Materials & Processes
1. Quality 38CrMoAlA (JIS SACM645)
2. Quality Duplex Stainless Steels
3.42 CrMo (JIS SCM440)
4.40Cr
5. GH113
6. SKD11
7. SKD61 (H13)
8. Gr12MoV
9. Quality Powder Metallurgy Raw Materials
10. Cold/Thermal Spray Hard Metal Process
11. Advanced nitriding Process
12. Corrosion & Abrasion Resistance Bimetal Spraying Process
 Primary competitive advantages:Â
1) Excellent and high quality controlÂ
2) Prompt delivery
3) Competitive price
4) Small order accepted
5) Customers' drawing or samples accepted
6) Specialized features/benefits
7) OEM service (model, number of teeth, outside and inside diameters, thickness)
1. Bimetalic screw
2. CNC milling machine
3. Durable
Technical Index
1. Hardness after hardening and tempering: HB280-320
2. Nitrided Hardness: HV850-1000
3. Nitrided case depth: 0.50-0.80mm
4. Nitrided brittleness: Less than grade 2
5. Surface roughness: Ra 0.4
6. Screw straightness: 0.015 mm
7. Surface chromium-plating's hardness after nitriding: ≥ 900HV
8. Chromium-plating depth: 0.025~0.10 mm
9. Alloy Hardness: HRC50-65
10. Alloy depth: 0.8~2.0 mm
Materials & Processes
1. Quality 38CrMoAlA (JIS SACM645)
2. Quality Duplex Stainless Steels
3.42 CrMo (JIS SCM440)
4.40Cr
5. GH113
6. SKD11
7. SKD61 (H13)
8. Gr12MoV
9. Quality Powder Metallurgy Raw Materials
10. Cold/Thermal Spray Hard Metal Process
11. Advanced nitriding Process
12. Corrosion & Abrasion Resistance Bimetal Spraying Process
 Primary competitive advantages:Â
1) Excellent and high quality controlÂ
2) Prompt delivery
3) Competitive price
4) Small order accepted
5) Customers' drawing or samples accepted
6) Specialized features/benefits
7) OEM service (model, number of teeth, outside and inside diameters, thickness)
80/156 Conical Twin Screw and Barrel for PVC Pipe /PP Frofile Plastic & Rubber Machinery Parts
Model NO.: 80/156 conical twin screw and barrel for pvc pipe
Computerized: Computerized
Certification: CE
as Per The Drawing: as Per The Clients
Trademark: HAOYAN
Transport Package: Plywooden Cases
Specification: ce
Origin: China
HS Code: 72284000
Model NO.: 80/156 conical twin screw and barrel for pvc pipe
Computerized: Computerized
Certification: CE
as Per The Drawing: as Per The Clients
Trademark: HAOYAN
Transport Package: Plywooden Cases
Specification: ce
Origin: China
HS Code: 72284000
Specifications