Materials

The parts we supply are made of high-quality materials, with the help of precise modern machining centers and at the same time with strict adherence to technological procedures of heat treatment. Material for the production of injection or extrusion screws is supplied by German or Swedish steelworks. The PTA material used to make the PTA screw is made in Belgium.

All delivered parts go through a double inspection, one immediately after production and second again at the moment of dispatch to you, so that there is 100% certainty of the quality of the delivered parts.

THOROUGH HARDENED SCREWS AND SCREW TIP SETS

HPT1

Material: tool steel
Hardness: 58-62 HRc
Application: General and technical plastics for example PP, PA, LCP, ABS, PPA, POM, PBT, PC.
For materials containing glass fibers: up to 35%
Wear resistance: grade 4 (excellent)
Chemical resistance: grade 4 (excellent)
Working temperature: up to 400°C

HPT2

Material: P/M powder steel
Hardness: 60-62 HRc
Application: General and technical plastics for example PP, PA, LPC, ABS, PPA, POM, PBT, PC, PPS. Also suitable for special technical plastics PEI, PEEK.
For materials containing glass fibers: up to 50%.
Wear resistance: grade 5 (excellent)
Chemical resistance: grade 4 (good)
Working temperature: up to 450°C

HPT3

.

HPT5

Material: special high-chromium tool steel
Hardness: 56-60 HRc
Application: General and technical plastics with the addition of halogen-free flame retardants: PA, PP, LCP, POM, PPA, PBT, ABS, PC, PPC, PA46, LCP, 4T, 9T, HTN, DSM, PSM and also suitable for special plastics such as PEI, PEEK
For materials containing glass fibers: up to 65%.
Wear resistance: grade 6 (extra excellent)
Chemical resistance: grade 7 (super excellent)
Working temperature: up to 600°C



BIMETALLIC BARRELS

HK1

Base layer: Fe
Main ingredients: C, Mn, Si, B, Ni, Fe
Hardness: 58-62 HRc
Wear resistance: ★★★★
Corrosion resistance: ★★★
Range of use:≤400 ℃
Application:  Suitable for technical plastics that do not contain more than 35% glass fibers (for example:  PP、PA、LCP、ABS、PPA、POM、PBT、PC).
 

HK5

Base layer: Nickel
Main ingredients: W, Cr, B, Ni
Hardness: 50-56 HRc + 35%WC
Wear resistance: ★★★★★★
Corrosion resistance: ★★★★★★
Range of use:≤500 ℃
Application:  Suitable for technical plastics that do not contain more than 50% glass fibers (for example: PP, PA, LCP, POM, PPA, PBT, PPS, PEI, PEEK, PA46, LCP, HTN).

HK6

Base layer: Nickel
Main ingredients: W, Cr, B, Ni
Hardness: 58-62 HRc + 50%WC
Wear resistance: ★★★★★★★
Corrosion resistance: ★★★★★★★
Range of use:≤600 ℃
Application:  Suitable for highly abrasive technical plastics PP, PA, LCP, POM, PPA, PBT, PPS, PEI, PEEK and special halogen-free materials PA46, LCP, 4T, 9T, HTN and with a glass fiber filler of less than 65%.
 

HK7

Base layer: Nickel
Main ingredients: W, Cr, B, Ni
Hardness: 60-65 HRc + 50%WC
Wear resistance: ★★★★★★★★
Corrosion resistance: ★★★★★★★★
Range of use:≤450 ℃ 
Application: Suitable for technical plastics ultra halogen free materials (for example: 4T, 9T, HTN, DSM, PSM and other acid-forming materials)

Contacts


DATRIA s.r.o.

Dašická 1185, 537 01 Chrudim IV
Czech Republic


Phone: +420 606 021 608
+420 720 986 929
+420 720 986 926

E-mail: info@screwstock.com


VAT: CZ04261763


Contact us

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