Baijia.net specializes in structural steel testing、 and our platform's testing institutions cover the entire testing industry. Online one-on-one service. The test report is delivered on time and with good quality、 and you can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services、 submitting commission information、 and finally paying the inspection fee、 without leaving the house. Next、 I will briefly introduce the testing standards and process of Baijia.net for structural steel testing

Structural steel testing items:

Chemical composition、 physical performance testing、 component thickness testing、 deflection value testing、 bearing plate thickness testing、 verticality testing、 metallographic structure testing、 cold bending testing、 yield strength testing、 tensile bending testing、 impact testing、 hardenability testing、 cold cracking tendency testing、 carbon content testing、 rust prevention performance testing、 deformation testing after compression、 crystal phase diagram analysis、 microstructure testing、 Low magnification corrosion analysis、 low-temperature mechanical performance testing、 copper containing precipitate detection、 residual stress detection、 low melting point non-metallic inclusion detection、 cyclic loading detection、 diffusion hydrogen detection、 tempered bainite brittleness detection、 metallographic pattern detection、 heat treatment detection、 etc

Inspection scope of structural steel

Carbon structural steel、 alloy structural steel、 weather resistant structural steel、 automotive structural steel、 forged structural steel、 cold rolled structural steel、 heat resistant structural steel、 welded structural steel、 ship structural steel、 etc

Structural Steel Testing Standards

GB/T 221-2008 Steel Product Grade Representation Method

GB/T 699-2015 High Quality Carbon Structural Steel

GB/T 700-2006 Carbon Structural Steel

GB/T 711-2017 High Quality Carbon Structural Steel Hot Rolled Steel Plate and Strip

GB/T 716-1991 Carbon Structural Steel Cold Rolled Steel Strip

GB/T 1591-2018 Low Alloy High Strength Structural Steel

GB/T 1814-1979 Steel Fracture Inspection

GB/T 1979-2001 Structural Steel Macrostructure Defect Rating Chart

GB/T 3077-2015 Alloy Structural Steel

GB/T 3078-2008 High Quality Structural Steel Cold Drawn Steel

GB/T 3274-2017 Carbon Structural Steel and Low Alloy Structural Steel Hot Rolled Steel Plate and Strip

GB/T 4171-2008 Weathering Resistant Structural Steel

GB/T 3524-2015 Carbon Structural Steel and Low Alloy Structural Steel Hot Rolled Steel Strip

GB/T 5216-2014

GB/T 8731-2008 Free Cutting Structural Steel

GB/T 17107-1997 Structural Steel Grades and Mechanical Properties for Forgings

HB 8423.3-2017 Metal Material Grades Identification Method Part 3: Identification of Alloy Structural Steel Grades by Spectral Method

GB/T 8749-2008 High Quality Carbon Structural Steel Hot Rolled Steel Strip

GB/T 11251-2009 Alloy Structural Steel Hot Rolled Thick Plate

GB/T 11253-2007 Carbon Structural Steel Cold Rolled Sheet and Strip

GB/T 11253-2019 Carbon Structural Steel Cold Rolled Sheet and Strip

GB/T 13237-2013 Quality Carbon Structural Steel Cold Rolled Sheet and Strip

GB/T 14292-1993 Technical Conditions for Carbon Structural Steel and Low Alloy Structural Steel Hot Rolled Strip

GB/T 17107-1997 Structural Steel Grades and Mechanical Properties for Forgings

GB/T 32289-2015 High Quality Carbon and Alloy Structural Steels for Large Forgings

GB/T 34560.5-2017 Structural Steels Part 5: Technical Delivery Conditions for Atmospheric Corrosion Resistant Structural Steels

GB/T 34560.6-2017 Structural Steels Part 6: Technical Delivery Conditions for Seismic Resistant Building Structural Steels

GB/T 37601-2019 Alloy Structural Steels Hot Rolled Steel Plates and Strips

CB 1124-2008 Welding of High Strength Hull Structural Steels for Ships

HB 5135-2000 Structural Steel and Stainless Steel Fusion Welding Joint Quality Inspection

HB 6735-1993 Aviation Structural Steel Thin Decarburization (Including Alloy Dilution) Layer and Carburization (Including Nitrogen Addition) Method for Determining Layer Depth

HB 8423.3-2017 Method for Identification of Metal Material Grades - Part 3: Identification of Alloy Structural Steel Grades by Spectroscopy

JB/T 9211-2008 Martensite Grades of Medium Carbon and Medium Carbon Alloy Structural Steels

YB/T 037-2005 High Quality Structural Steel Cold-drawn Flat Steels

YB/T 4454-2015 Comparative Test Method for Evaluating the Corrosion Rate of Concrete Structural Steel Bars in Marine Environments

YB/T 5132-2007 alloy junction

The testing institutions established by BAIJIAN cover the entire testing industry. Online one-on-one service. The inspection report is delivered on time and with good quality、 and customers can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services to submitting commission information to finally paying the inspection fee. They don't need to go out to complete the inspection process. The report was delivered on time and with good quality. The platform is committed to providing testing services for enterprises and individuals. It uses Internet+testing e-commerce to provide customers with diversified testing services

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

inspection and testing process:

1. Telephone communication and confirmation of requirements

Testing and testing characteristics:

1. The testing industry is fully covered、 meeting different testing needs

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing、 with no testing fees charged

5. Self service order delivery for free on-site sampling