56mm Screw And Barrel ISO9001 Screw Assembly HRC 60

المعلومات الأساسية

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معلومات تفصيلية

عنصر:

برغي، مجموعة طرف لولبي، فوهة رأس البرميل (شفة).

مادة:

سبائك صلبة بالكامل

تكوين السبائك الرئيسية:

تكوين السبائك الرئيسية

عملية المعالجة الحرارية:

التبريد

إبراز:

56mm Screw And Barrel

منتوج وصف

NISSEI FN5000 Screw And Barrel Assembly

Technical Specifications

Component	Material	Main Alloy Composition	Heat Treatment Process	Hardness	Surface Treatment	Key Features
Screw	KTL-202B All-Hard Alloy	Cr 8.2%, V 1.2%, Mo 2%, Co 1%	- Quenching: 1020–1050°C- Tempering: 550–570°C (≥3 times)- Tail annealed at high temperature	HRC 60 ± 2	Titanium coating	- Improved wear resistance- Enhanced surface hardness- Cost-effective for general applications
Screw Tip Assembly	KTL-202B All-Hard Alloy	Cr 8.2%, V 1.2%, Mo 2%, Co 1%	- Quenching: 1020–1050°C- Tempering: 550–570°C (≥3 times)- Tail annealed at high temperature	HRC 60 ± 2	Titanium coating	- Consistent wear resistance- Better surface protection- Reliable performance
Barrel	KTL-ST30 Double Alloy (Fe-Ni Base)	Inner alloy: Fe, Ni, Cr, C, Co, B	—	Base: HRC 26–28Inner layer: HRC 59–61	—	- Double alloy structure- Good wear & corrosion resistance- Low thermal expansion- Stable under high temperature
Head (Flange)	Alloy Steel (Red Cross Grade)	—	Quenching and tempering	Base: HRC 30–32Cr layer: HRC 62–64	Chromium plating (0.05–0.08 mm)	- Enhanced surface wear resistance- Corrosion protection- Good structural strength
Nozzle	SKD61	—	- Quenching: 1020–1050°C- Tempering: 550–570°C (≥2 times)	HRC 50 ± 2	—	- Good thermal fatigue resistance- Stable performance under high temperature

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