Standard No.:	HG/T 2444-2012
English Name:	Test method of wear performance for agricultural tyres — Double drum method
Chinese Name:	农业轮胎耐磨耗性能试验方法 双转鼓法
Chinese Classification:	G41    Tyre
Professional Classification:	HG    Professional Standard - Chemistry
ICS Classification:	83.160.01 83.160.01    Tyres in general 83.160.01
Issued by:	State Economic and Trade Commission
Issued on:	2012-5-24
Implemented on:	2012-11-1
Status:	valid
Superseding:	HG/T 2444-1993
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the test conditions, test apparatus and their precision requirements, test procedures and test records of wear performance for agricultural tyres. This standard is applicable to the determination of wear performance of agricultural drive axle tyres. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 1192 Technical specification of agricultural tyres GB/T 2979 Size designation, dimensions, inflation pressure and load capacity for agricultural tyres 3 Test conditions 3.1 Test temperature The test temperature shall be (30 ± 5) ℃. 3.2 Test drum The double drum shall have an outer diameter of 300 mm, with an allowable deviation of ± 3 mm. 3.3 Test pressure During the test, the inflation pressure of tyres shall be the maximum pressure corresponding to the tyre ply rating (PR) specified in GB/T 1192 and GB/T 2979, with an allowable deviation of ± 10 kPa. 3.4 Test load The test load shall be selected from those specified in Table 1, with an allowable deviation of ± 10 kg.

Foreword i 1 Scope 2 Normative references 3 Test conditions 4 Test apparatus and their precision requirements 5 Test procedures 6 Test records