GB/T 3250-1982
Replaced
GB/T 34213-2023
Active
National standards
GB/T 34213-2023 High purity alumina for sapphire single crystal
GB/T 34213-2023 High purity alumina for sapphire single crystal
Basic Information
Standard Code:
GB/T 34213-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Light metals and their alloys
ICS Name:
Aluminum and aluminum alloys
Publish Date:
2023-08-06
Implement Date:
2024-03-01
Pages:
7 pages
Scope
This document specifies the product grades, classification and marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents, and order form content for high-purity alumina used in sapphire single crystals. This document applies to high-purity alumina used in sapphire single crystals (hereinafter referred to as high-purity alumina). High-purity alumina for other purposes can be implemented in accordance with this document.
Development Information
Replace the following standards
Referenced Standards
GB/T 38762.1-2020 Geometrical product specifications(GPS)—Dimensional tolerancing—Part 1:Linear sizes
GB/T 2997-2000 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products
GB/T 2997-2015 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products
GB/T 6609.22-2004 Chemical analysis methods and determination of physical performance of alumina—Sampling
GB/T 14264-1993 Semiconductor materials—Terms and definitions
GB/T 14264-2009 Semiconductor materials—Terms and definitions
GB/T 14264-2024 Terminology of semiconductor materials
GB/T 16418-1996 Particle system—Vocabulary
GB/T 16418-2008 Particle system—Vocabulary
GB/T 23771-2009 Determination of bulk density for inorganic chemical products
GB/T 33236-2016 Polycrystalline silicon—Determination of trace elements—Glow discharge mass spectrometry method
GB/T 37248-2018 High purity aluminium oxide—Determination of trace metal elements—Inductively coupled plasma optical emission spectrometry
Related Standards
GB/T 3251-1982
Replaced
GB/T 3251-1982 Aluminium and aluminium alloys—Compression test method for tubes
GB/T 3252-1982
Replaced
GB/T 3252-1982 Aluminium and aluminium alloys Shear test method for rivet wire and rivets
GB/T 3172-1982
Abolished
GB/T 3172-1982 Determination of adhesion ratio of aluminium powder Steel plate method
GB/T 3173-1982
Abolished
GB/T 3173-1982 Determination of coating surface of aluminium powder on water
GB/T 4438-1984
Replaced