1、ASD STANDARD NORME ASD ASD NORM prEN 4638 Edition P 1 June 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Aerospa
2、ce series Blast media Brown corundum Srie arospatiale Produit de projetage Corindon brun sans fer Luft- und Raumfahrt Strahlmittel Normalkorund, braun, eisenfrei This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Associati
3、on of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an ex
4、tent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal
5、 vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 30 June 2008 Commen
6、ts should be sent within six months after the date of publication to ASD-STAN Material Domain Copyright 2008 by ASD-STAN prEN 4638:20082 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Characteristics.3 Annex A (normative) Characteristics of corundum.4 Annex B (normative) Tyler type spl
7、itting method24 Annex C (normative) Stack Splitting Method.25 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, thi
8、s standard has received approval for Publication. prEN 4638:2008 3 1 Scope This standard specifies the characteristics of brown corundum without iron used as blast media for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of thi
9、s document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 565, Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Nominal sizes of openings. ISO 8486-1, Bon
10、ded abrasives Determination and designation of grain size distribution Part 1: Macrogrits F4 to F220. 3 Characteristics The characteristics for each product are specified in the following Annexes. prEN 4638:20084 Annex A (normative) Characteristics of corundum DESIGNATION: Brown corundum F 12 GRAIN
11、SIZE: 1,20 mm to 2,80 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 C
12、ONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 2,80 mm 2 mm 1,40 m
13、m % RESIDUE 0 20 70 TEST SIEVES - APERTURE 1,20 mm % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:2008 5 DESIGNATION: Brown corundum F 14 GRAIN SIZE: 1 m
14、m to 2,40 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHE
15、MICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 2,40 mm 1,70 mm 1,20 mm % RESID
16、UE 0 20 70 TEST SIEVES - APERTURE 1 mm % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:20086 DESIGNATION: Brown corundum F 16 GRAIN SIZE: 850 m to 2 mm DE
17、SCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENT
18、S: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 2 mm 1,40 mm 1 mm % RESIDUE 0 20 70 TEST SIEVE
19、S - APERTURE 850 m % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:2008 7 DESIGNATION: Brown corundum F 20 GRAIN SIZE: 710 m to 1,70 mm DESCRIPTION: fused
20、 aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN
21、SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 1,70 mm 1,18 mm 850 m % RESIDUE 0 20 70 TEST SIEVES - APERTURE
22、 710 m % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:20088 DESIGNATION: Brown corundum F 22 GRAIN SIZE: 600 m to 1,40 mm DESCRIPTION: fused aluminium ox
23、ide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angula
24、r and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 1,40 mm 1 mm 710 m % RESIDUE 0 20 70 TEST SIEVES - APERTURE 600 m % REMAIND
25、ER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:2008 9 DESIGNATION: Brown Corundum F 24 GRAIN SIZE: 500 m to 1,18 mm DESCRIPTION: fused aluminium oxide ASPECT: MAT
26、ERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive g
27、rain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 1,18 mm 850 m 600 m % RESIDUE 0 25 65 TEST SIEVES - APERTURE 500 m % REMAINDER 3 8 METHOD
28、OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200810 DESIGNATION: Brown corundum F 30 GRAIN SIZE: 430 m to 1 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground cor
29、undum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (
30、typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 1 mm 710 m 500 m % RESIDUE 0 25 65 TEST SIEVES - APERTURE 425 m % REMAINDER 3 8 METHOD OF DETERMINATION OF
31、GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200811 DESIGNATION: Brown corundum F 36 GRAIN SIZE: 360 m to 850 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown
32、Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2
33、100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 850 600 425 % RESIDUE 0 25 65 TEST SIEVES - APERTURE 355 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTIO
34、N: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200812 DESIGNATION: Brown corundum F 40 GRAIN SIZE: 300 m to 710 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for informa
35、tion) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardn
36、ess) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 710 500 355 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 300 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 84
37、86-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200813 DESIGNATION: Brown corundum F 46 GRAIN SIZE: 250 m to 600 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparat
38、ion Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness)
39、 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 600 425 300 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 250 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling met
40、hods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200814 DESIGNATION: Brown corundum F 54 GRAIN SIZE: 210 m to 500 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditio
41、ning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True wit
42、h pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 500 355 250 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 212 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B an
43、d C of this standard). 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200815 DESIGNATION: Brown corundum F 60 GRAIN SIZE: 180 m to 430 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artifi
44、cial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 k
45、g/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 425 300 212 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 180 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard).
46、 9 SPECIAL INSTRUCTIONS: None. prEN 4638:200816 DESIGNATION: Brown corundum F 70 GRAIN SIZE: 150 m to 360 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOS
47、ITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide 0,2 % Free silica 1,5 % 3 CONTROLED CHEMICAL COMPONENTS: None 4 GRAIN SHAPE: Angular and massive grain 5 HARDNESS (typical values): 2 100 kg/mm2(Knoop hardness) 9 (Mohs hardness) 6 DENSITY: - True with pycnometer - 3 940 kg/m37 GRAIN SIZE DISTR
48、IBUTION: GRAIN SIZE DISTRIBUTION ISO 565 (m) TEST SIEVES - APERTURE 355 250 180 % RESIDUE 0 25 65 TEST SIEVES - APERTURE 150 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTION
49、S: None. prEN 4638:200817 DESIGNATION: Brown corundum F 80 GRAIN SIZE: 130 m to 300 m DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 94 % - Titanium oxide 2,5 % Iron oxide
