Test items and standard list of fastening standard parts for connection

How to handle the test report of standard fastener parts for connection? What are the test items and standards for standard fastener parts for connection? BAIJIAN third-party testing agency provides test report processing of standard fastener parts for connection. Engineers provide one-to-one service. According to Select the corresponding testing standards and items according to your needs, formulate a testing plan and arrange for the laboratory to send samples for testing. Testing service of fastening standard parts for connection

Test report: Testing of fastening standard parts for connection

Testing fee: Negotiable by phone

Testing cycle: Normally 3-15 working days , except for special circumstances.

Reporting qualifications: CMA, CNAS, etc.

Report format: Chinese and English, paper version, electronic version.

Testing items for fastening standard parts for connections:

Testing items:

Torsion-shear type high-strength bolts tightening axial force, high-strength large hexagonal head bolts Connecting pair torque coefficient, tensile load, fastening axial force pretension, construction torque, final tightening torque, pretension fastening axial force, appearance dimensions, bearing capacity, minimum tensile load, guaranteed load, wedge load test, hardness test, Tightening axial force, bolt wedge load, anti-slip coefficient of high-strength bolt connection friction surface, nut guarantee load, shear resistance load, construction final tightening torque, high-strength bolt connection pair torque coefficient tightening axial force, high-strength bolt connection pair tension force , High-strength bolt wedge load guarantee load, bolt minimum load, surface quality, hardness, torque, anti-slip coefficient, pre-tension force, final tightening torque, torque coefficient, construction torque of high-strength bolt connection pair, minimum tensile load test of actual bolts , Bolt wedge load test, connection pair torque coefficient, connection pair fastening axial force, wedge load, bolt, screw, stud, nut and gasket hardness test, guarantee load, pretension force/fastening axial force, Rockwell hardness, Fastening axial force of high-strength torsion-shear bolt connection pair, tensile test of finished bolts, anti-slip coefficient of friction surface of high-strength bolt connection, minimum tensile load of bolts, impact, covering layer thickness/coating thickness, tensile force, bolt yield strength , Elongation after bolt breakage, hardness/core hardness, physical location spatial dimensions, geometric dimensions and minimum thickness of the component, physical wedge load, bearing capacity tensile force, tensile strength, torque coefficient of the connecting pair, steel grid deformation measurement, Fastening standard parts and high-strength bolts for mechanical connections of steel structures Mechanical properties/guarantee load, Fastening standard parts and high-strength bolts for mechanical connections of steel structures Mechanical properties/torque coefficients, Fastening standard parts and high-strength bolts for mechanical connections of steel structures Mechanical properties of bolts/anti-slip coefficient, mechanical properties of fastening standard parts and high-strength bolts for mechanical connections of steel structures/fastening axial force, mechanical properties of standard fastening parts and high-strength bolts for mechanical connections of steel structures/core hardness, Mechanical properties of fastening standard parts and high-strength bolts used for mechanical connections of steel structures/bolt wedge load, shrinkage after break, anti-slip coefficient of connection friction surface, elongation after break, minimum tensile force of the actual object, stretch rate after break, tensile force/node load Force

Testing standards for fastening standard parts for connections:

Testing standards:

1. GB/T5779.1-2000 General requirements for bolts, screws and studs with surface defects in fasteners 3

2. GB/T3632-20085.3 Torsional shear type high-strength bolt connection pairs for steel structures

3. JGJ82 -2011 Technical Regulations for High-Strength Bolt Connections of Steel Structures

4. GB/T3098.1-2010 Mechanical Properties of Fasteners Bolts, Screws and Studs

5. JG/T10- 2009 Steel grid bolt ball joint 6.2

6, GB/T3098.13-1996 Mechanical properties of fasteners Torque test and breaking torque of bolts and screws 3

7, GB/ T3632-2008 Torsional shear type high-strength bolt connection pair for steel structures

8. GB 50205-2020 Steel structure engineering construction quality acceptance standard GB 50205-2020

9. GB/T16939 -2016 High-strength bolts for steel grid bolt ball joints 7.2

10, GB/T 3632-2008 "Torsion-shear type high-strength bolt connection pair for steel structures" GB/T 3632-2008

11. GB/T3098.2-2015 Mechanical Properties of Fasteners Bolts and Nuts

12. GB/T 228.1-2010 Tensile Test of Metal Materials Part 1: Room Temperature Test Method

13. GB/T 230.1-2018/Scale A, B, C Rockwell hardness test of metallic materials Part 1: Test method

14. JGJ 8-2016 Specification for construction measurement deformation JGJ8- 2016

15. GB50205-2001 Specification for Construction Quality Acceptance of Steel Structure Engineering

16. GB/T 229-2020 Charpy Pendulum Impact Test Method for Metallic Materials

17. GB/T1231-2006 Technical conditions for high-strength large hexagonal head bolts, large hexagonal nuts and washers for steel structures

18. GB/T 34478-2017 Determination of anti-slip coefficient of steel plate bolting surfaces

19. GB/T197-2003 Ordinary thread tolerance

20. JGJ8-2016 "Code for Measurement of Building Deformation"

Test report processing process:

1. Contact Baikan customer service and propose testing requirements.

2. Connect with engineers to confirm the plan quotation.

3. Sign the contract and send samples for testing.

4. The laboratory completes the test and issues a test report.

5. After-sales service.

6. If urgent, please communicate in advance.

What is the use of the test report?

1. Enter e-commerce platforms such as Tmall and JD.com.

2. Enter a large supermarket or store.

3. Bidding.

4. Project acceptance.

5. Publicity reports.

6. Supplier requirements.

This is the first introduction to product testing items, standards, report processing procedures, etc. If you have any other questions, please feel free to call us and we will serve you wholeheartedly.