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 Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:20082 Contents Page Forewo
7、rd2 1 Scope 3 2 Normative references 3 3 Characteristics.3 Annex A (normative) Characteristics of corundum.4 Annex B (normative) Tyler type splitting method24 Annex C (normative) Stack Splitting Method.25 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Metallic M
8、aterial Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking per
9、mitted without license from IHS-,-,-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 this document. Fo
10、r 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, Bonded abrasives
11、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. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted wit
12、hout license from IHS-,-,-prEN 4638:20084 Annex A (normative) Characteristics of corundum DESIGNATION: Brown corundum F 12 GRAIN 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 recondit
13、ioning 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 w
14、ith pycnometer - 3 940 kg/m37 GRAIN SIZE DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 2,80 mm 2 mm 1,40 mm % 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 A
15、nnexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:2008 5 DESIGNATION: Brown corundum F 14 GRAIN SIZE: 1 mm to 2,40 mm DESCRIPTION: fu
16、sed 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 GRA
17、IN 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 % RESIDUE 0 20 70 TEST SIEVES - APE
18、RTURE 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. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking p
19、ermitted without license from IHS-,-,-prEN 4638:20086 DESIGNATION: Brown corundum F 16 GRAIN SIZE: 850 m to 2 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for information) Surface preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL C
20、OMPOSITION: - 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
21、DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 565 TEST SIEVES - APERTURE 2 mm 1,40 mm 1 mm % RESIDUE 0 20 70 TEST SIEVES - 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 IN
22、STRUCTIONS: None. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:2008 7 DESIGNATION: Brown corundum F 20 GRAIN SIZE: 710 m to 1,70 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground
23、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 grain 5 HARDNES
24、S (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 710 m % REMAINDER 3 8 METHOD OF DETERMINA
25、TION OF GRAIN SIZE DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 463
26、8:20088 DESIGNATION: Brown corundum F 22 GRAIN SIZE: 600 m to 1,40 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
27、 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 DISTRIBUTION: GRAIN SIZE DISTRIBUTION ISO 5
28、65 TEST SIEVES - APERTURE 1,40 mm 1 mm 710 m % RESIDUE 0 20 70 TEST SIEVES - APERTURE 600 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. Copyright ASD-STAN Provi
29、ded by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:2008 9 DESIGNATION: Brown Corundum F 24 GRAIN SIZE: 500 m to 1,18 mm DESCRIPTION: fused aluminium oxide ASPECT: MATERIAL: Ground corundum COLOR: Brown Main use: (for infor
30、mation) 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 har
31、dness) 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 OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: according t
32、o ISO 8486-1 (for sampling methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:200810 DESIGNATION: Brown corundum F 30 GR
33、AIN SIZE: 430 m to 1 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 CO
34、NTROLED 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 1 mm 710 m 500 m % R
35、ESIDUE 0 25 65 TEST SIEVES - APERTURE 425 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. Copyright ASD-STAN Provided by IHS under license with AECMA Not for Resa
36、leNo reproduction or networking permitted without license from IHS-,-,-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 Main use: (for information) Surface preparation Surface reconditioning
37、 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 with py
38、cnometer - 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 DISTRIBUTION: according to ISO 8486-1 (for sampling methods, see Annexes B and C
39、of this standard). 9 SPECIAL INSTRUCTIONS: None. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 4638:200812 DESIGNATION: Brown corundum F 40 GRAIN SIZE: 300 m to 710 m DESCRIPTION: fused aluminium ox
40、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
41、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 (m) TEST SIEVES - APERTURE 710 500 355 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 300 % REMAINDER 3
42、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. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license
43、from IHS-,-,-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 preparation Surface reconditioning 1 ORIGINE: Artificial 2 CHEMICAL COMPOSITION: - Alumina 9
44、4 % - 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 DISTRIBUTION: GRAIN SIZ
45、E 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 methods, see Annexes B and C of this standard). 9 SPECIAL INSTRUCTIONS: None. Copyright
46、 ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-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 us
47、e: (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): 2 100 kg/
48、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 500 355 250 % RESIDUE 0 30 65 TEST SIEVES - APERTURE 212 % REMAINDER 3 8 METHOD OF DETERMINATION OF GRAIN SIZE DISTRIBUTION: accordin
