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Hastelloy B-2 Stud Bolt
QS Fastener: Hastelloy B-2 Stud Bolt
Name: Hastelloy B-2 Stud Bolt
Material: W.Nr.2.4617, N010665
Size: M48
Length: 30 to 1000 mm
Tensile Strength(Rm): 690 N/mm²
Elongation: 40%
Product Grade: A
Standard: ANSI, DIN, NF, BSW
Feature: Excellent corrosion resistance
Application: Widely used in Chemical, Petrochemical, Energy Manufacturing and Pollution Control Fields
Material: W.Nr.2.4617, N010665
Size: M48
Length: 30 to 1000 mm
Tensile Strength(Rm): 690 N/mm²
Elongation: 40%
Product Grade: A
Standard: ANSI, DIN, NF, BSW
Feature: Excellent corrosion resistance
Application: Widely used in Chemical, Petrochemical, Energy Manufacturing and Pollution Control Fields
Quantity
Hastelloy B-2 Stud Bolt is made of W.Nr.2.4617 (N010665) material, offering exceptional corrosion resistance, particularly suitable for harsh conditions such as strong acids and highly reducing media. As a high-performance fastener, Hastelloy B-2 Stud Bolt is available in a product specification of M48, with lengths ranging from 30 to 1000 mm, meeting diverse industrial needs. With a tensile strength of up to 690 N/mm² and an elongation rate of 40%, it ensures high reliability and durability in extreme environments.
Mechanical performance testing of Hastelloy B-2 Stud Bolt is a critical step to ensure its ability to withstand mechanical stress and harsh conditions in practical applications. Through rigorous testing, it can be verified whether Hastelloy B-2 Stud Bolt meets design and usage requirements.
Tensile Test
The tensile test is used to evaluate the tensile strength, yield strength, and elongation of Hastelloy B-2 Stud Bolt, ensuring its performance under high-stress environments.
The tensile test is used to evaluate the tensile strength, yield strength, and elongation of Hastelloy B-2 Stud Bolt, ensuring its performance under high-stress environments.
1. Test Standards
Complies with ASTM E8/E8M (Standard Test Methods for Tension Testing of Metallic Materials) or ISO 6892-1 (Metallic Materials—Tensile Testing at Room Temperature).
Complies with ASTM E8/E8M (Standard Test Methods for Tension Testing of Metallic Materials) or ISO 6892-1 (Metallic Materials—Tensile Testing at Room Temperature).
2. Test Equipment
Universal Material Testing Machine: Equipped with high-precision load cells and extensometers, with a typical range of 0-100 kN and an accuracy class of 0.5.
Universal Material Testing Machine: Equipped with high-precision load cells and extensometers, with a typical range of 0-100 kN and an accuracy class of 0.5.
Extensometer: Used to accurately measure the deformation of Hastelloy B-2 Stud Bolt specimens during tensile testing, with a typical range of 0-25 mm and an accuracy of ±0.5%.
3. Specimen Preparation
Specimen Shape: Standard round or rectangular tensile specimens, with dimensions conforming to ASTM E8 or ISO 6892-1 standards.
Specimen Shape: Standard round or rectangular tensile specimens, with dimensions conforming to ASTM E8 or ISO 6892-1 standards.
Specimen Machining: Hastelloy B-2 Stud Bolt specimens are machined using precision lathes to ensure surface finish (Ra ≤ 1.6 μm) and dimensional tolerance (±0.02 mm).
4. Test Parameters
Test Temperature: Room temperature (23±2°C).
Loading Rate: As per standard requirements, typically 1-5 mm/min, ensuring a smooth and controlled testing process.
Test Temperature: Room temperature (23±2°C).
Loading Rate: As per standard requirements, typically 1-5 mm/min, ensuring a smooth and controlled testing process.
5. Performance Indicators
Tensile Strength (Rm): ≥ 690 MPa, indicating the maximum stress Hastelloy B-2 Stud Bolt can withstand before fracture.
Yield Strength (Rp0.2): ≥ 310 MPa, indicating the stress at which Hastelloy B-2 Stud Bolt begins to undergo plastic deformation.
Elongation (A): ≥ 40%, indicating the plastic deformation capability of Hastelloy B-2 Stud Bolt before fracture, reflecting its toughness.
Tensile Strength (Rm): ≥ 690 MPa, indicating the maximum stress Hastelloy B-2 Stud Bolt can withstand before fracture.
Yield Strength (Rp0.2): ≥ 310 MPa, indicating the stress at which Hastelloy B-2 Stud Bolt begins to undergo plastic deformation.
Elongation (A): ≥ 40%, indicating the plastic deformation capability of Hastelloy B-2 Stud Bolt before fracture, reflecting its toughness.
6. Test Result Analysis
Stress-Strain Curve: Generated by the testing machine to analyze the elastic modulus, yield point, and fracture point of Hastelloy B-2 Stud Bolt.
Stress-Strain Curve: Generated by the testing machine to analyze the elastic modulus, yield point, and fracture point of Hastelloy B-2 Stud Bolt.
Data Recording: Record the measured values of tensile strength, yield strength, and elongation, comparing them with standard values to ensure Hastelloy B-2 Stud Bolt meets requirements.
Impact Test
The impact test is used to evaluate the impact toughness of Hastelloy B-2 Stud Bolt in low-temperature environments, ensuring its reliability under dynamic loads.
The impact test is used to evaluate the impact toughness of Hastelloy B-2 Stud Bolt in low-temperature environments, ensuring its reliability under dynamic loads.
1. Test Standards
Complies with ASTM E23 (Standard Test Methods for Notched Bar Impact Testing of Metallic Materials) or ISO 148-1 (Metallic Materials—Charpy Impact Test).
Complies with ASTM E23 (Standard Test Methods for Notched Bar Impact Testing of Metallic Materials) or ISO 148-1 (Metallic Materials—Charpy Impact Test).
2. Test Equipment
Pendulum Impact Testing Machine: Typically with a range of 0-300 J and an accuracy class of ±1%.
Low-Temperature Chamber: Used to cool Hastelloy B-2 Stud Bolt specimens to the test temperature, with a temperature control accuracy of ±1°C.
Pendulum Impact Testing Machine: Typically with a range of 0-300 J and an accuracy class of ±1%.
Low-Temperature Chamber: Used to cool Hastelloy B-2 Stud Bolt specimens to the test temperature, with a temperature control accuracy of ±1°C.
3. Specimen Preparation
Specimen Shape: Standard Charpy V-notch specimens, with dimensions of 10 mm × 10 mm × 55 mm, notch depth of 2 mm, and notch angle of 45°.
Specimen Shape: Standard Charpy V-notch specimens, with dimensions of 10 mm × 10 mm × 55 mm, notch depth of 2 mm, and notch angle of 45°.
Specimen Machining: Hastelloy B-2 Stud Bolt specimens are machined using precision milling machines to ensure notch dimensions and surface finish comply with standards.
4. Test Parameters
Test Temperature: Based on application requirements, typically -196°C (liquid nitrogen temperature) or -40°C, simulating low-temperature conditions.
Test Temperature: Based on application requirements, typically -196°C (liquid nitrogen temperature) or -40°C, simulating low-temperature conditions.
Cooling Time: Hastelloy B-2 Stud Bolt specimens are held in the low-temperature chamber for 15-30 minutes to ensure uniform specimen temperature.
5. Performance Indicators
Impact Absorbed Energy (KV): ≥ 100 J, indicating the energy absorption capability of Hastelloy B-2 Stud Bolt under impact loads, reflecting its toughness.
Impact Absorbed Energy (KV): ≥ 100 J, indicating the energy absorption capability of Hastelloy B-2 Stud Bolt under impact loads, reflecting its toughness.
Fracture Surface Analysis: The fracture surface is observed using a scanning electron microscope (SEM) to analyze the fracture mode (ductile or brittle fracture) of Hastelloy B-2 Stud Bolt.
6. Test Result Analysis
Impact Energy Value: Record the impact absorbed energy of Hastelloy B-2 Stud Bolt specimens, comparing it with standard values to ensure compliance.
Impact Energy Value: Record the impact absorbed energy of Hastelloy B-2 Stud Bolt specimens, comparing it with standard values to ensure compliance.
Fracture Analysis: Evaluate the toughness and fracture behavior of Hastelloy B-2 Stud Bolt through fracture surface analysis, ensuring no tendency for brittle fracture.
Through tensile and impact tests, Hastelloy B-2 Stud Bolt demonstrates excellent mechanical properties, including high tensile strength, good yield strength and elongation, and high impact toughness in low-temperature environments. These performance indicators ensure the reliability and durability of Hastelloy B-2 Stud Bolt in harsh conditions, meeting the high-performance demands of industries such as chemical, petrochemical, and energy manufacturing.
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