T/SCDA 042-2020 Abolished Group standards

T/SCDA 042-2020 The application technology standards for high-strength reinforcing steel bars with a strength of 630MPa

Publish Date: 2020-08-19 Implement Date: 2020-08-20 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/SCDA 042-2020

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Engineering structure

ICS Name: Other building materials

Publish Date: 2020-08-19

Implement Date: 2020-08-20

Scope

Main technical content: HRB630 and HRB630E high-strength reinforcing bars delivered in the hot-rolled state; HTRB630 and HTRB630E heat-treated high-strength reinforcing bars delivered in accordance with the controlled rolling and cooling process; yield strength standard value of 630N/mm2; ultimate strength standard value of 790N/mm2; reinforcing bars with the "E" mark for earthquake resistance: strength-to-yield ratio; GB/T1499.2 "Steel for Reinforced Concrete - Part 2: Hot-rolled Ribbed Reinforcing Bars"; fost/foy≥1.25; f0y/fyk≤1.30; total elongation at maximum load Agt≥9%. The application scope of HRB630 high-strength reinforcing bars and heat-treated high-strength reinforcing bars shall be in accordance with the provisions of this group standard; the technical requirements and testing methods of reinforcing bars shall refer to GB/T1499.2.