Milstd129 marking for shipment and storage available from standardization documents order. Casting surfaces shall be reasonably smooth and shall be free of scale and burned on. Gray iron astm a48 class 30 data sheet penticton foundry. Highquality lead free chromatefree primer and paint coatings. Ferritic malleable iron astm a47 grade 32510 pearlitic malleable iron astm a220 grade 60004 additional classifications and grades of iron can also be achieved at webster for customer or application specific requirements. This orders gray iron into classes which correspond with its minimum tensile strength in.
The iron castings can be of the ferritic, austenitic, gray, cupola, pearlitic, ductile, or malleable types. Casting are classified on the basis of the tensile strength of the iron in separately cast test bars. Astm a48 class 200b ascast or heattreated grey cast iron. For example, a casting certified to astm a48 class. Bunan rubber bellows, ceramic stationary, carbon rotating face packing gland. Astm class 30 standard gray iron test bars, as cast sae j431. The following two letters used as part of the number designating technical reports of research published under the repair, evaluation, maintenance, and rehablitation remr resea. A a m 01 an american national standard standard pra. Referenced documents purchase separately the documents listed below are referenced within the subject standard but are not provided as part of the standard astm standards. Astm a48 a48m standard specification for gray iron castings, grades including class no. May 17th, 2018 read and download astm a48 class 30 properties free.
Astm d 3720 90 pdf free download february 11, 2019 astm d comments. For example, a casting certified to astm a48 class 40 is cast with iron that has 40,000 psi tensile strength in a separately cast test bar. Weldingcastiron deals with classes known as gray, malleable and nodular or ductile. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. Aisi 416ss lantern ring teflon mechanical shaft seal 188 s. Airfilled watertight, builtin overload, ip68 protection and class b insulation. A free machining grey cast iron, not suitable in applications where surface wear resistance is required.
Sep 12, 2018 astm a48 class 30 related standards din gg20, bs 1452 grade 220 is a gray cast iron. Each nodule is surrounded by a zone of ferrite carbon fr. Finding materials and property data at the click of a button by registering for the total materia free trial it is possible to search and view the property data for over 450,000 alloys as well as find and compare equivalent materials from over 69 countriesstandards in the unique, international total materia cross reference tables. A 48 class 45, astm, a 48a 48m, gray iron castings. Astm a48 class 200b ascast or heattreated matmatch. Astm a48 a48m 03 standard specification for gray iron. What is astm a278 pdf standard for gray iron casting for. Lineshaft and submersible turbine pumps wda pompen bv. Astm a48a48m standard specification for gray iron casting. Astm a48 class 200b ascast or heattreated grey cast. See the chemical composition and physical properties of astm a48 class 200b ascast or heattreated.
Astm a48 class 30 gray iron sand castings process shell. Astm a48a48m032016 standard specification for gray iron. Thickness of the wall of controlling section of the. Astm a48 class 30 properties pdf meta search engine. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. Since anhui jianlong engineering shake hands with several famous japanese brands listed in approved vendor list, such as yokogawa, tokyo keiso, koso, ebara and etc, as per several clients requirement request of clarification to materials, we prepare this material table to indicate the equivalent metallic material in jis standard and astm standard.
It is the most common cast iron and the most widely used cast material based on weight. Astm a48 class 30 related standards din gg20, bs 1452 grade 220 is a gray cast iron. Accepted astm specifications on cast iron are listed hereafter. Gland follower nut copper alloy astm f467 alloy c27000 6. Astm s ferroalloy and casting standards are instrumental in classifying, evaluating, and specifying the material, chemical, mechanical, and metallurgical properties of iron alloys and their castings. It is used for housings where the stiffness of the component is more important than its tensile strength, such as. The source standarts should always be checked for the specific purpose for each material, in case of doubt. Astm a48 standard specification for gray iron castings. Description 1 astm designation number and year of issue, 5. We will evaluate your request for astm a48 class 200b ascast or heattreated and get back to you soon. For temperatures above 450 f and up to 650 f, only class 40, 45, 50, 55, and 60 castings are suitable. Beyond the basic foundry operations of grinding, straightening, simple machining, drilling and tapping. Grey cast iron astm a48 class30 sand castings process shell mould castings. The differences between ductile iron and gray iron castings.
Gray iron consists of graphite flakes in a metallic matrix. Gray iron consists of graphite flakes in a metallic. Cast steel grades astm chemical requirements tensile requirements steel grade carbon manganese silicon sulfur phosphorus. Cast iron astm a48 class 30 bronze optional astm b854 uns c87500 seal retainer cast iron astm a48 class 30 adaptor bracket cast iron astm a48 class 30 shaft sleeve 416 s. Report astm a480a480m99b please fill this form, we will try to respond as soon as possible. Square operating nut cast iron astm a126 class b 4. Astm a48 class 30 gray iron sand castings process shell mould castings. Standard specification for rigid pvc compounds and. Lower alloyed carbon steels the eagle group worldclass. E8 test methods for tension testing of metallic materials. Gray iron castings, astm specification a 48, class 30b. Material standard comparison between jis and astm standard. Astm a48, sae j431, gm 274m and astm a126 are standards for gray cast iron.
Sign up to get access to this premium feature for free. Many requirements are common to several specifications and are given in astm a 781a 781m, astm a 703a 703m, astm a 957, astm a 985, and iso 4990. Casting material gray iron in astm a48 sand casting, investment. Steel castings handbook supplement 8 high alloy data sheets. Astm a 829 sae 4140 sae 4142 cr moalloyed vacuum degassed steels material data sheet edition december 2012 1 astm a 829 sae 4140 and astm a 829 sae 4142 are vacuum degassed fine grained steels which are particularly used by the customers for heavy machinery applications. Unique tungsten carbide tipped impeller and high chrome serrated cutter plate for slicing of solids. Steel castings handbook supplement 8 high alloy data. Advantages of the casting process compared to the fabrication process. Standard practice for steel castings, welding, quali.
Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. Download pdf excel sheets for engineering and design toolbox. Standard practice for steel castings, welding, qualifications of procedures and personnel. Report astm a48 please fill this form, we will try to respond as soon as possible. Class 275, 300, 325, 350, 380, and 415 castings intended for service above 230c shall have a maximum carbon equivalent of 3. Therefore, if astm a48 class 30 could meet your requirements of application, then it will be the better choice than class 35.
Individual reprints single or multiple copies of this standard may be obtained by contacting astm at the above. Astm a48 standard for gray iron castings dandong foundry. Ebooks in pdf format auto repair pdf cambridge audio. Lower than 200 will cause the grade reduced to class 30. This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. The maximum phosphorus and sulfur contents shall be 0.
They have some grades which have some equal or similar mechanical properties, such as tensile strength and hardness. Alloy data sheet astm a536 654512 ductile iron penticton. Comparison table for some gray iron casting grades. This is a comparison table for some gray iron casting grades in these standards. A a m 07 standard practice for steel castings, welding, quali. Astm a48 a48m 032016 standard specification for gray. When fractured, it is grayish in colour hence the name specifically, a fracture will follow along the graphite flakes which are gray. Gland follower cast iron astm a126 class b t619 or ductile iron astm a536 7. Astm international by sections and volumes section 3 metals test methods and analytical procedures volume 03.
This standard is ed by astm international, 100 barr harbor drive, po box c700, west conshohocken, pa 194282959, united states. Ductile iron castings shall conform to the requirements of astm a536. For temperatures above 230 c and up to 350 c, only class 275, 300, 325, 350, 380, and 415 castings are suitable. Astm a48 standard specification for gray iron castings this specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. We will evaluate your request for astm a48 class 200b ascast or. Engineered to outlast the sidewalk, the advantage cast iron plates are a longlasting ada tactile detectable warning product, that is all strong enough to withstand the abuse of heavy equipment such as snow plows, fork lifts and other construction vehicles and. Download fulltext pdf download fulltext pdf read fulltext. Astm a278 a278m 012020 standard specification for gray.
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