๐ง Professional Bolt Torque Calculator
Advanced engineering tool with precise material specifications and tensioner database
โ B7, B16, 660 Steel Support โ 60+ Tensioner Products โ Fraction Input Support โ Real-time Calculations
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๐ญ Supported Brands
Atlas Copco (6 models)
Boltight (7 models)
Bolting Master (12 models)
Hydratight (20+ models)
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Key Features
๐งฎ
Advanced Calculations
Precise bolt torque calculations with material-specific yield strength values
๐ฉ
Material Support
B7, B16, and 660 steel specifications with diameter-based strength ranges
๐
Tensioner Database
60+ products from Atlas Copco, Boltight, Hydratight, and Bolting Master
โก
Real-time Results
Instant calculations with kN tensioning force and pump pressure
Technical Specifications
๐ฌ Material Types
B7 Steel:
- โข โค2.5": 725 MPa
- โข 2.5-4.0": 655 MPa
- โข >4.0": 520 MPa
B16 Steel:
- โข โค2.5": 586 MPa
- โข 2.5-4.0": 655 MPa
- โข 4.0-7.0": 723 MPa
660 Steel:
- โข All sizes: 690 MPa
๐ Calculation Formula
1. Diameter:
Size1 + Size2 (inches)2. Area:
ฯ ร (d/2)ยฒ (mmยฒ)3. Tensioning Force:
ฯ ร A ร ratio รท 1000 (kN)4. Pump Pressure:
Force รท PA ร 10000 (bar)๐ญ Supported Brands
Atlas Copco (6 models)
Boltight (7 models)
Bolting Master (12 models)
Hydratight (20+ models)
โ ๏ธ Safety Notice
This calculator provides theoretical calculations based on material specifications and tensioner data. Always consult manufacturer guidelines, safety regulations, and professional engineers for actual applications.
Important: Actual working conditions may vary. Always follow proper safety procedures and use appropriate safety factors in real-world applications.