BAIJIAN - Third party testing organization
Hot rolled section steel refers to various geometric cross-sectional shapes of steel rolled from heated steel billets. The shape of the root section steel is different、 divided into three types: simple section (a~d hot rolled section in the figure)、 complex section or irregular section (e~k hot rolled section in the figure)、 and periodic section. Various geometric cross-sectional shapes of steel rolled from heated steel billets. According to the different shapes of section steel、 it can be divided into three types: simple section、 complex section or irregular section、 and periodic section. ① The characteristic of a simple cross-section is that any point on the periphery of the cross-section is generally not intersected by a tangent line、 such as round steel、 square steel、 hexagonal steel、 flat steel、 triangular steel、 bow steel、 and elliptical steel. ② Complex sections include angle steel、 I-beam、 channel steel、 T-beam、 H-beam、 Z-beam、 steel rail、 steel sheet pile、 window frame steel、 and other miscellaneous section steel; ③ The periodic section refers to the periodic changes in the shape and size of the section along the length direction of the steel、 such as threaded steel bars、 axles、 and plowshare steel. According to the size of the cross-section of the section steel、 it is divided into three types: large section steel、 medium section steel、 and small section steel. Hot rolled steel sections for construction in China are currently mainly made of ordinary carbon steel grade A、 grade 3 steel (with a carbon content of 0.14-0.22%)、 which is characterized by easy smelting、 low cost、 moderate strength、 good plasticity and weldability、 and is suitable for use in construction projects. Low alloy steel hot-rolled sections are mostly hot-rolled threaded steel bars and 16Mn rolled sections、 with less use of special-shaped section steel. Compared with ordinary I-beams、 H-beams have advantages such as large cross-sectional modulus、 light weight、 less steel consumption、 and easy combination and connection with other components
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China