MT/T 149-1987 English PDF

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MT/T 149-1987: Scraper conveyor mine hot-rolled channel steel type, size

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
MT/T 149-1987	319	Add to Cart	3 days	Scraper conveyor mine hot-rolled channel steel type, size

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Basic data

Standard ID: MT/T 149-1987 (MT/T149-1987)
Description (Translated English): Scraper conveyor mine hot-rolled channel steel type, size
Sector / Industry: Coal Industry Standard (Recommended)
Classification of Chinese Standard: H44
Classification of International Standard: 77.140.70
Word Count Estimation: 9,954
Date of Issue: 9/11/1987
Date of Implementation: 10/1/1987
Summary: This standard applies to coal mine scraper conveyor and transfer machine with hot-rolled mine slot Gang Gang (hereinafter referred to as the tank just Gang).

MT/T 1:

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Scraper conveyor mine hot-rolled channel steel type, size Ministry of Coal Industry Standards MT/T 149-87 Scraper Conveyor Hot Rolling Mine Groove Steel Type and Size 1987-09-11 Approved 1987-10-01 Approved by the Ministry of Coal Industry of the People's Republic of China

Contents

1 Product Variety Specifications 1 Scraper Conveyor Hot Rolling Mine Groove Steel Type and Size This standard applies to hot-rolled ore channel steel (hereinafter referred to as channel steel) for coal mine scraper conveyors and transfer machines.

1 Product Variety Specifications

1.1 Groove steel type There are three types of channel steel. E type, M type and D type. Figures 5 and 6 specify. Table 1 model Sectional area cm2 Theoretical weight kg/m Average leg thickness mm D12.5 12.85 10.09 7.5 D15 24.28 19.06 9.24 E15 45.88 36 11 M15 27.74 22 9 E19 67.53 53 14 (M18) 36.63 28.80 10 E22 90.54 71.08- M22 77.01 60.45- Note. The newly designed scraper conveyor and transferer do not use bracket steel with brackets. figure 1 figure 2 image 3 Figure 4 Figure 5 Figure 6 1.2 The allowable deviation of the average leg thickness of channel steel should be ± 0.06t, where t represents the average leg thickness of channel steel. 1.3 The slope of the outer edge of the channel steel should be no more than 2% for one leg and no more than 3% for both legs. 1.4 The delivery length of steel shall meet the requirements in Table 2. Table 2 Model delivery length, mm Length tolerance, mm D12.5 n × 1215 fixed scale 100 D15 n × 1215 fixed scale 100 E15 1510 fixed scale 100 M15 n × 1210 fixed scale 100 E19 1510 fixed scale 100 (M18) 1510 fixed scale 100 E22 1510 fixed scale 100 M22 1339, 1199 fixed scale 100 Note. (1) n in the table is a positive integer, 3≤n≤7. (2) The number of n≤2 should not exceed 10% of the total delivery quantity in this batch. 1.5 The wave bend and sickle bend of steel shall not be greater than 2mm per meter, and the total bend is not greater than 0.2% of the total length. 1.6 The steel is in a hot rolled state. Additional information. This standard is proposed by the Technology Development Department of the Ministry of Coal Industry. This standard was drafted by the Taiyuan Branch of the Coal Science Research Institute. Qian Guansheng, the main drafter of this standard. This standard entrusts Taiyuan Branch of Coal Science Research Institute with interpretation. ......

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