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GB/T 29089-2012Spherical tin-solder powder (English PDF)

球形焊锡粉

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

October 1, 2013

Scope

GB/T 29089-2012 is the English-translated version of 球形焊锡粉.

GB/T 29089-2012 is the Chinese standard "Spherical tin-solder powder". Its scope clause reads: This standard specifies the requirements, test methods, inspection rules spherical solder powder, signs, packaging, transportation and storage, quality certificates and contracts (Or orders) content.

This standard applies to cast tin-lead solder, lead-free tin-based solder as raw material, processed to obtain spherical solder powder. Its clauses include terms and definitions; requirements.

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Document preview — GB/T 29089-2012

National Standard of the People's Republic of China

ICS: 77.150.60
Classification: H 71

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

1 Scope
2 Normative references
3 Terms and Definitions
4 Requirements

1 Scope

This standard specifies the requirements, test methods, inspection rules spherical solder powder, signs, packaging, transportation and storage, quality certificates and contracts (Or orders) content.

This standard applies to cast tin-lead solder, lead-free tin-based solder as raw material, processed to obtain spherical solder powder.

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 5314 sampling powder metallurgy method

GB/T 8012 casting Xiqianhanliao

GB/T 8170 repair value expressed about the rules and limit values and judgment

GB/T 10574 (all parts), chemical analysis of tin Method

YS/T 746 (all parts) lead-free tin-based solders chemical analysis

3 Terms and Definitions

The following terms and definitions apply to this document.

Batch batch

Product quality indicators same sum.

4 Requirements

4.1 Classification of spherical solder powder

Shot Put solder powder into a spherical shape has two types of lead-free solder powder and spherical solder powder.

Grade provisions 4.2 solder powder

HF The first letter combination solder powder "solder powder" pinyin

×××××

Solder powder alloy composition (see 4.3.1)

- ××

Solder powder particle size distribution type (see Table 1)

Example 1.

The alloy composition of a solder powder is Sn63Pb37, solder powder particle size distribution are type 1, which grades. HFSn63Pb37-1.

Example 2.

Alloy as a solder powder is SnAg0.3Cu0.7, solder powder particle size distribution of type 4 type, the grade is. HFSnAg0.3Cu0.7-4.

4.3 Chemical composition

4.3.1

spherical solder powder chemical composition should be consistent with GB/T 8012, YS/T 746 in the corresponding provisions of the trademark.

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

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