SN/T 3468.4-2013Rules for the damage survey of steel materials. Part 4: Hot-rolled ribbed bars and plain bars (English PDF)

Foreword

SN/T 3468 "damaged steel inspection and authentication procedures" is divided into eight sections.

--- Part 1. Steel sheets and strips;

--- Part 2. Stainless steel plate and strip;

--- Part 3. steel;

--- Part 4. rebar, wire rod;

--- Part 5. steel;

--- Part 6. pre-painted steel sheet and strip;

--- Part 7. electrical steel sheet and strip;

--- Part 8. rope.

This section SN/T Section 43468 of.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This section proposed and managed by the National Certification and Accreditation Administration Committee.

1 Scope

SN/T 3468 provisions of this part of the damaged rebar, wire rod inspection and appraisal of the general procedures and requirements.

This section applies to rebar, wire rod inspection and appraisal damaging.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 701 low carbon steel hot rods GB 1499.1 steel reinforced concrete - Part 1. Hot rolled steel GB 1499.2 steel reinforced concrete - Part 2. Hot rolled ribbed bars SN/T 2388.1 damaged inspection and identification procedures of imported goods - Part 1. General Damaged inspection and appraisal procedures SN/T 2388.2 imported goods - Part 2. Terminology SN/T 2388.3 damaged inspection and identification procedures of imported goods - Part 3. Identification of the general average

3 Terms and Definitions

SN/T 2338.2 and define the following terms and definitions apply to this document.

Rebar ribbedbars

Generally circular cross-section, and the surface of the concrete structure ribbed steel.

Rod hotroledplainbars Hot rolled shaped cross-section is generally circular, smooth surface of finished steel.

Damaged damage

Rebar, wire rod during handling, transportation, storage and storage process, due to various causes deformation, corrosion, etc., so that the quality of the damage, Affect its use and reduce the use value.

Damaging rate rateofdamage Inspection Lot damaged rebar, wire rod loss (loss of use value) and weight inspection lot rebar, plate ratio of the weight of the bar.

Gusun appraisement

Rebar, wire rod damaged degree determination.