T/CHIDA 305.3-2020 Active Group standards

T/CHIDA 305.3-2020 Stair-step flange steel tube

Publish Date: 2020-03-31 Implement Date: 2020-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CHIDA 305.3-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSteel pipes, cast iron pipes

ICS Name: The manufacturing molding process

Publish Date: 2020-03-31

Implement Date: 2020-04-01

Scope

Scope: This standard specifies the structure, basic parameters, requirements, test methods, inspection rules, marking, etc. of stepped flange steel pipes. This standard is applicable to the design, manufacture, and acceptance of stepped flange steel pipes used in dredging projects; Main technical contents: The main technical contents of this standard include: 1 Scope; 2 Normative reference documents; 3 Terms and definitions; 4 Classification and marking; 5 Requirements; 6 Test methods; 7 Inspection rules; 8 Delivery documents. The requirements of this standard include materials, welds, dimensional deviations, appearance, hydrostatic pressure test, non-destructive testing, coating, and fasteners. The test methods of this standard include materials, welds, dimensional deviations, appearance, hydrostatic pressure test, non-destructive testing, and coating. The inspection rules of this standard include inspection classification, type inspection, and factory inspection. The delivery documents of this standard include product quality certificates, material quality certificates, dimensional inspection reports, non-destructive testing reports, hydrostatic pressure test reports (except for 100% ultrasonic wave instead of hydrostatic pressure), coating inspection reports, etc.