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GB/T 34647-2017Temper designation system for titanium and titanium alloy (English PDF)

钛及钛合金产品状态代号

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 29, 2017

Implementation date

April 1, 2018

Scope

GB/T 34647-2017 is the English-translated version of 钛及钛合金产品状态代号.

GB/T 34647-2017 is the Chinese standard "Temper designation system for titanium and titanium alloy". Its scope clause reads: This standard specifies the status of titanium and titanium alloy product code.

This standard applies to casting, forging, drawing, rolling, extrusion and other processing methods, with or without heat treatment of all titanium and titanium Gold products. Its clauses include terms and definitions.

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Document preview — GB/T 34647-2017

National Standard of the People's Republic of China

ICS: 77.120.50
Classification: H 64

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and definitions
3.1 Deformation alloy wroughtaloy
3.2 Castal alloy castingaloy
3.3 Stress relieving
3.4 Annealing
3.5 Recrystalizationannealing recrystallization annealing
3.7 Isothermal annealing

1 Scope

This standard specifies the status of titanium and titanium alloy product code.

This standard applies to casting, forging, drawing, rolling, extrusion and other processing methods, with or without heat treatment of all titanium and titanium

Gold products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 6611 Titanium and titanium alloy terms and metallography

3 Terms and definitions

GB/T 6611 and defined by the following terms and definitions apply to this document.

3.1 Deformation alloy wroughtaloy

Mainly used for plastic deformation of the manufacturing and processing of alloy products.

3.2 Castal alloy castingaloy

Mainly used for the production of castings alloy.

3.3 Stress relieving

The product reduces the residual stress without causing tissue recrystallization heat treatment.

3.4 Annealing

By eliminating the strain hardening caused by processing, recrystallization or precipitate accumulation, the metal softening heat treatment.

3.5 Recrystalizationannealing recrystallization annealing

Annealing above the recrystallization temperature relies on recrystallization to eliminate work hardening or tissue conditioning.

3.6

beta Annealing betaannealing

Annealing of the alloy at a suitable temperature above the beta transus point.

3.7 Isothermal annealing

In order to stabilize the alloy structure of a heat treatment. In the beta transition point below a certain temperature heating, with the furnace or converter cold to the specified temperature,

And incubated at this temperature for a certain period of time, then air-cooled to room temperature.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

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