1 Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order form (or contract) of the titanium sponge.
This standard is applicable to titanium sponge produced by titanium tetrachloride reduced by magnesium in vacuum distillation (referred to as magnesium reduction process).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 231.1 Metallic materials — Brinell hardness test — Part 1: Test method
GB/T 4698 (All parts) Methods for chemical analysis of titanium sponge, titanium and titanium alloys
GB/T 6005 Test sieves — Metal wire cloth perforated metal plate and electroformed sheet — Nominal sizes of openings
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
3 Technical requirements
3.1 Product classification
Titanium sponge products are divided into seven grades (designations) according to the chemical composition and Brinell hardness, which are MHT-95, MHT-100, MHT-110, MHT-125, MHT-140, MHT-160 and MHT-200.
3.2 Chemical composition and Brinell hardness
3.2.1 The chemical composition and Brinell hardness of titanium sponge products shall comply with the regulations in Table 1.
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
7 Order form (or contract) information
Annex A (Informative) Typical defective titanium sponge blocks
Annex B (Normative) Methods for sampling of titanium sponge products, preparation of specimens and test ingots, and inspection of appearance quality and particle size
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order form (or contract) of the titanium sponge.
This standard is applicable to titanium sponge produced by titanium tetrachloride reduced by magnesium in vacuum distillation (referred to as magnesium reduction process).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 231.1 Metallic materials — Brinell hardness test — Part 1: Test method
GB/T 4698 (All parts) Methods for chemical analysis of titanium sponge, titanium and titanium alloys
GB/T 6005 Test sieves — Metal wire cloth perforated metal plate and electroformed sheet — Nominal sizes of openings
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
3 Technical requirements
3.1 Product classification
Titanium sponge products are divided into seven grades (designations) according to the chemical composition and Brinell hardness, which are MHT-95, MHT-100, MHT-110, MHT-125, MHT-140, MHT-160 and MHT-200.
3.2 Chemical composition and Brinell hardness
3.2.1 The chemical composition and Brinell hardness of titanium sponge products shall comply with the regulations in Table 1.
Contents of GB/T 2524-2019
Foreword i
1 Scope
2 Normative references
3 Technical requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation, storage and quality certificate
7 Order form (or contract) information
Annex A (Informative) Typical defective titanium sponge blocks
Annex B (Normative) Methods for sampling of titanium sponge products, preparation of specimens and test ingots, and inspection of appearance quality and particle size
