ISO/TS 20362:2022 PDF

Name: ISO/TS 20362:2022 — Hard coal — Determination of plastometric indices — Automated Sapozhnikov penetration plastometer method
SKU: ISO/TS 20362:2022
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Hard coal — Determination of plastometric indices — Automated Sapozhnikov penetration plastometer method

Название (английский):

ISO/TS 20362:2022

Hard coal — Determination of plastometric indices — Automated Sapozhnikov penetration plastometer method

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 22
Дата публикации:: 5 августа 2022 г.
Издание:: ISO TS 20362 edition 1 version 1
ICS:: 73.040

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Описание (английский):

This document specifies a method for the determination of plastometric indices with an automated Sapozhnikov penetration plastometer. These indices are the maximum thickness of the plastic layer, Y, in mm, and the final contraction, X, in mm. This document is applicable to hard coals with a determined ash level of less than 15 % as dry basis as described in ISO 11722 and ISO 1171.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO/TS 20362:2022 specifies a standardized method for determining plastometric indices of hard coal using an automated Sapozhnikov penetration plastometer. The standard defines two primary plastometric outputs: Y (maximum thickness of the plastic layer, in mm) and X (final contraction or plastometric shrinkage, in mm, defined as the height difference between 250 °C and 730 °C). ISO/TS 20362:2022 applies to hard coals with a determined ash content of less than 15 % (dry basis), referenced to ISO 11722 and ISO 1171.

Key Topics and Requirements

Principle: Unidirectional heating from the base under constant pressure while an automated probe records displacement. Displacement curves are generated and processed by computer software using curve‑fitting (least squares) to extract upper/lower plastic layer profiles.

Measured indices:

Y - maximum perpendicular thickness between upper and lower plastic layers.
X - plastometric contraction between sample height at 250 °C (zero line) and at 730 °C.

Materials & consumables: cigarette rolling paper, filter paper, thin steel rod, refractory ceramic pads, abrasive cloth (e.g., Emery P80).

Apparatus: full automated Sapozhnikov plastometer system (determinator + computer), electric furnace, thermocouples and wells, pressure lever assembly, displacement sensors, weighing device, sample preparation equipment (crusher, sieves).

Procedure essentials: sample preparation, loading in steel retort with paper tube and pads, furnace temperature calibration, displacement calibration, automated measurement, and computerised analysis.

Quality & reporting: calibration steps, determination of zero height, expression of results, and precision statements including repeatability and reproducibility limits are covered. Test report content is specified.

Applications and Users

ISO/TS 20362:2022 is intended for laboratories and organizations involved in coal testing and quality control, including:

Coking coal testing labs assessing plastic properties for coke-making.

Coal producers and traders specifying product quality and suitability for metallurgical use.

Research institutes studying coal thermo-plastic behaviour.

Industrial quality control in steel and coke plants where plastometric indices influence process performance.

Practical benefits include improved automation vs manual Sapozhnikov methods, reduced operator bias, consistent displacement curves, and automatic reporting - enhancing throughput and comparability of plastometric data.

Related Standards

ISO 11722, ISO 1171 (ash determination reference)

ISO 1213‑2 (vocabulary)

ISO 3310‑2 (test sieves)

ISO 13909‑2/3/4 (mechanical sampling and sample preparation)

ISO 18283 (manual sampling)

Keywords: ISO/TS 20362:2022, plastometric indices, automated Sapozhnikov penetration plastometer, hard coal testing, Y and X indices, coal plastometry.

ISO/TS 20362:2022 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Users

Related Standards

Технические детали

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BS ISO 18283:2022-TC

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