ISO 12156-1:2023
Diesel fuel — Assessment of lubricity using the high-frequency reciprocating rig (HFRR) — Part 1: Test method
Diesel fuel — Assessment of lubricity using the high-frequency reciprocating rig (HFRR) — Part 1: Test method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 13
- Дата публикации:
- 18 сентября 2023 г.
- Издание:
- ISO IS 12156 edition 5 version 1
- ICS:
- 75.160.20
This document specifies a test method using the high-frequency reciprocating rig (HFRR) with a digital camera, for assessing the lubricating property of petroleum-based middle distillate fuels, paraffinic diesel fuels, and biodiesel blends, with or without lubricity enhancing additives, and with HFRR wear scar diameters (WSDs) of 350 μm to 700 μm. This test method applies to fuels used in diesel engines. NOTE It is not known if this test method can predict the performance of all additive/fuel combinations.
Abstract
Overview
ISO 12156-1:2023 defines a standardized test method for assessing diesel fuel lubricity using the High‑Frequency Reciprocating Rig (HFRR) with a digital camera. The standard covers testing of petroleum-based middle distillate fuels, paraffinic diesel fuels and biodiesel blends (with or without lubricity additives) for HFRR wear scar diameters (WSDs) between 350 μm and 700 μm. The method is intended for fuels used in diesel engines and provides repeatable, laboratory-based measurements of lubricating performance.
Key topics and technical requirements
- Test principle: A steel ball oscillates against a stationary steel plate immersed in the test fuel; the resulting wear scar diameter (WSD) on the ball is measured as the lubricity indicator.
- HFRR test conditions (specified):
- Fluid volume: 2 ± 0.2 ml
- Stroke length: 1.00 ± 0.02 mm
- Frequency: 50 ± 1 Hz
- Fluid temperature: 60 ± 2 °C
- Test mass: 200 ± 1 g
- Test duration: 75 ± 0.1 min
- Apparatus and materials: reservoir with controlled heating, oscillating mechanism with electronic calibration and data capture, 100Cr6 steel test plates (annealed, Vickers hardness HV30 = 190–210) lapped/polished to **Ra
Технические детали
- Технический комитет
- ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources
- SKU
- ISO 12156-1:2023
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