ASTM A 802 Standard Practice For Steel Castings, Iron .

Transcription

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.1 de 17About UsCasting l-castings-surface-acce.Casting WorkshopMachining WorkshopInspectionCertificateASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surface AcceptanceThe object of this standard is to facilitate cooperation between founder and casting purchaser in determiquality level required.It should assist in avoiding misunderstanding arising from imprecise descriptions at the order stage ansurface that is amendable to a particular techniques of non-destructive testing. The use of the comparatoon photographs which can introduce uncertainties concerning interpretation, particularly with reirregularities.The casting designer and purchasers can denote the level one to four on the drawings as the requiremefounder, Dandong Foundry, will check the photos, and learn about the requirements. The comparator canquality inspection.Visual Inspection Acceptance CriteriaSurface FeatureLevel ILevel IILevel IIISurface TextureA1A2A3Mon-metallic InclusionsB1B2B4Gas PorosityC1C2C3Fusion Discontinuities-D1D2Expansion Discontinuities--E3Inserts--F1Metal Removal Marks (Thermal Dressing)G1G2G3Metal Removal Marks (Mechanical Dressing)H1H3H4Metal Removal Marks (Welds)J1J2J3A. Surface Texture - the natural surface of the casting after shot blasting.B. Non-Metallic Inclusions - Non-metallic material trapped on the surface of castings.C. Gas Porosity - Indications of gas t the casing surface.D. Fusion Discontinuities - surface irregularities giving a wrinkled appearance.E. Expansion Discontinuities - slightly raised surface irregularities.28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.2 de ings-surface-acce.F. Inserts - indications of chaplets (sand core supports) or internal chills.G. Metal Removal Marks (Thermal Dressing) - surface remaining after using oxy-gas or airmetal removal.H. Metal Removal Marks (Mechanical Dressing) - surface remaining after using a mechanicalsurface or a previously thermally dressed surface.J. Metal Removal Marks (Welds) - indications of welds fully or partially removed by thermal or mComparators for the Definition of Surface Quality of Iron and Steel CaSURFACE TEXTURE - A1SURFACE TEXT28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.3 de 17SURFACE TEXTURE - ings-surface-acce.SURFACE TEXT28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.4 de ings-surface-acce.NON-METALLIC INCLUSIONS - B1NON-METALLIC INC28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.5 de ings-surface-acce.NON-METALLIC INCLUSIONS - B3NON-METALLIC INC28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, castings-surface-acce.GAS POROSITY - C1GAS POROS6 de 1728/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, castings-surface-acce.GAS POROSITY - C3GAS POROS7 de 1728/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.8 de ings-surface-acce.FUSION DISCONTINUITIES - D1FUSION DISCONTI28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.9 de ings-surface-acce.FUSION DISCONTINUITIES - D528/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.10 de ings-surface-acce.EXPANSION DISCONTINUITIES - E3EXPANSION DISCON28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.11 de 17INSERTS - ings-surface-acce.INSERTS28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.12 de ings-surface-acce.METAL REMOVAL MARKS - THERMAL DRESSING - G1METAL REMOVAL MARKS - TH28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.13 de ings-surface-acce.METAL REMOVAL MARKS (THERMAL DRESSING) - G3METAL REMOVAL MARKS (TH28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.14 de ings-surface-acce.METAL REMOVAL MARKS (MECHANICAL DRESSING) - H1METAL REMOVAL MARKS (MEC28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.15 de ings-surface-acce.METAL REMOVAL MARKS (MECHANICAL DRESSING) - H4METAL REMOVAL MARKS (MEC28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.16 de ings-surface-acce.METAL REMOVAL MARKS (WELDS) - J1METAL REMOVAL MAR28/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surfa.17 de ings-surface-acce.METAL REMOVAL MARKS (WELDS) - J3METAL REMOVAL MARHome More ArticlesGray Iron Castings Ductile Iron Castings Cast Steel Castings Green Sand Iron Castings Automatic Molding Castings Shell Molding Iron Castings Sand Mold Steel Castings Lost Wax InveBoiler Metal Parts Construction Machinery Parts Agricultural Machinery Parts Pump & Valve MetaManholes Other Iron & Steel Castings Prices Per Pound, Kg and Ton Cast iron Price Calculator DANDONG RUIDING FOUNDING CO., LTD.SITEMAP CONTACT US Tel: 0086-415-6670086Fax: 0086-415-3356856Email: sales@iron-foundry.com Email: galenchina@gmaiADDRESS: No.35 North Road, Qianyang Town, Dandong City, Liaoning, P.R. China 11830128/11/2013 21:11

ASTM A 802 Standard Practice for Steel Castings, Iron Castings, Surface Acceptance, V The object of this standard is to facilitate cooperation between founder and casting purchaser in determining the surf quality level required. It should assist in avoiding misunderstanding arising from imprecise descriptions at the order stage and should also surface that is amendable to a particular .