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JB/T 51047-1999Internal combustion engines - Connecting rods - Product quality grading (English PDF)

内燃机连杆产品质量分等

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 30, 1999

Implementation date

June 1, 2000

Scope

JB/T 51047-1999 is the English-translated version of 内燃机连杆产品质量分等.

JB/T 51047-1999 is the Chinese standard "Internal combustion engines - Connecting rods - Product quality grading".

Its scope clause reads: This standard specifies the product quality indicators, inspection methods and inspection rules for connecting rods for reciprocating internal combustion engines with a cylinder diameter not greater than 200 mm, hereinafter referred to as "connecting rods". It applies to the inspection and assessment of connecting rod product quality.

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Document preview — JB/T 51047-1999

National Standard of the People's Republic of China

Replacing: JB/T 51047.1-1993

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Quality indicators
4 Inspection methods

1 Scope

This standard specifies the product quality indicators, inspection methods and inspection rules for connecting rods for reciprocating internal combustion engines with a cylinder diameter not greater than 200 mm, hereinafter referred to as "connecting rods". It applies to the inspection and assessment of connecting rod product quality.

2 Normative references

The provisions contained in the following standards become provisions of this standard through reference in this standard. The editions shown were valid at the time of publication of this standard. All standards are subject to revision, and the parties using this standard should consider the possibility of applying the latest editions of the standards listed below.

GB/T 228-1987 Metallic materials - Tensile testing

GB/T 229-1994 Metallic materials - Charpy notch impact test

GB/T 231-1984 Metallic materials - Brinell hardness test

GB/T 699-1999 Quality carbon structural steel

GB/T 1184-1996 Geometrical tolerances - Tolerances for features without individual tolerance indications

GB/T 1958-1980 Inspection of geometrical tolerances

GB/T 2828-1987 Sampling procedures and tables for lot-by-lot inspection by attributes (applicable to inspection of continuous lots)

GB/T 3077-1999 Alloy structural steel

GB/T 6397-1986

GB/T 13320-1991 Steel die forgings - Metallographic rating charts and assessment methods

JB/T 6722-1993

3 Quality indicators

4 Inspection methods

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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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JB/T 51045-1999|JB/T 51046-1999|JB/T 51044-1999|JB/T 51049-1999|JB/T 51129-1999|JB/T 12661-2016

Editions of JB/T 51047

Edition	Title	Revision	Status
JB/T 51047-1999	Internal combustion engines - Connecting rods - Product quality grading	current edition	Current
JB/T 51047.1-1993	Internal combustion engines - Connecting rods - Product quality grading	previous edition	Superseded

This page sells the current edition, JB/T 51047-1999. Earlier editions are listed for reference only.

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