Bs En Iso 22282-2 Pdf
Introduction
Test apparatus
- Furnace: controlled to raise specimen uniformly to specified austenitizing temperature with specified soaking time.
- Quench device: water jet directed at one end of the specimen; flow and pressure controlled to produce reproducible quench severity.
- Fixtures: hold specimen vertically with quenched end downward; ensure free cooling without contact.
- Hardness tester: Rockwell or Vickers as specified; indenter and load per standard.
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- Constant Head Test: Maintaining a constant water level and measuring flow rate.
- Falling/Rising Head Test: Monitoring the rate of water level change in the borehole casing.
Frequently Asked Questions (FAQ)
Q1: Does BS EN ISO 22282-2 replace BS 1377-6? Not entirely. BS 1377-6 covers laboratory permeability tests. BS EN ISO 22282-2 covers in-situ tests. Both are complementary. Introduction Test apparatus