GB/T 46977-2026 Active National standards

GB/T 46977-2026 Determination of nitrogen,sulfur and phosphorus in foundry reclaimed sand

Publish Date: 2026-01-28 Implement Date: 2026-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46977-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Mineral materials and products

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 12 pages

Scope

This document describes the determination methods for the nitrogen, sulfur, and phosphorus contents in recycled sand used in casting.
This document is applicable to the determination of nitrogen, sulfur, and phosphorus contents in recycled resin sands (recycled silica sands, recycled chromite sands, recycled magnesite sands, and recycled spherical ceramic sands) used in casting.
This document is not applicable to the determination of nitrogen, sulfur, and phosphorus contents in recycled water-glass sands used in casting.