Astm a48 class 30 pdf download

At texcellent industries, we have many sizes of cast iron in stock. A48 a48m 03 standard specification for gray iron castings, gray iron castings. Gray iron castings are also referred to as gray cast iron, grey iron castings, it is named after the gray color of the fracture surface. Medium duty weight 180 lbs woodards concrete products, inc. 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. I dont see how the yield strength can be higher than the ultimate strength. Astm a48 class 30 pdf download c16eaae032 share on facebook. It is the most common cast iron and the most widely used cast material based on weight. Class i 0 25 30 is the astm designation for this material. Sae j431 pdf download uns f, ferritic, pearlitic, soft iron castings, if carbon or silicon is on the high % range end, the other should be on the low % end. Milstd129 marking for shipment and storage available from standardization documents order. In the united states, the most commonly used classification for gray iron is astm international standard a48.

Comparison table for some gray iron casting grades. Astm a48 class 30 gray cast iron the only thing i have found on yield strength is this source. Gray iron astm a48 class 30 data sheet penticton foundry. Iron conforming to astm a48, class 35b, as noted in section 7. Typical specifications and mechanical properties ferrous metals. Astm a48 gray iron casting metalworking heat treating scribd. Gray iron castings, astm specification a 48, class 30b.

Carbon listed in the composition table is the total carbon. Standard practice for steel castings, welding, quali. Can be oil quench hardened from 860c to attain a rockwell c 50 minimum surface hardness. 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.

Steel castings handbook supplement 8 high alloy data. Sep 12, 2018 astm a48 class 30 related standards din gg20, bs 1452 grade 220 is a gray cast iron. Astm a278 covers gray iron for castings suitable for pressurecontaining parts for use at temperature up to 650f 350c. They have some grades which have some equal or similar mechanical properties, such as tensile strength and hardness. 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. H and hl sizes have powdered metal idler, mpif std 35 fc020850. What is the yield strength of gray iron class 30 for. Available casting methods for ductile iron castings. This is a comparison table for some gray iron casting grades in these standards. Astm a536 ductile iron castings tensile requirements no. Grade 30 is the astm designation for this material.

Astm a48 class 30 related standards din gg20, bs 1452 grade 220 is a gray cast iron. Castings of all classes are suitable for use up to 450f 230c. C ountry grade 604018 grade 654512 grade 805506 grade 1007003 grade 1209002 1 tensile. Data provided by the manufacturer, siltin industries, inc. E8 test methods for tension testing of metallic materials. Grade ht220 material defined in iso 185, whereas the ductile iron parts should be made from class. Sep 25, 2017 a lot of the sources i have been sifting through say the ultimate strength is 30 ksi. This data sheet focuses on gray iron astm a48 class 30. When fractured, it is grayish in colour hence the name specifically, a fracture will follow along the graphite flakes which are gray. Durabar g2 is built around astm a48 class 40 gray iron. To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. Typical specifications and mechanical properties ferrous.

Astm a48 a48m standard specification for gray iron castings, grades including class no. 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. Astm a278 standard for gray iron casting for pressure parts. Gray iron consists of graphite flakes in a metallic matrix. This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Download pdf chemical composition, max unless range is given, % tensile properties, min unless range is given charpy. Magsen foundry proudly offers gray iron castings that fully meet the astm a48 standard, including. Astm class 30 standard gray iron test bars, as cast. A48 94ae1 standard specification for gray iron castings, iron castingsgray, gray iron castings for general engineering use. Adaptor plate cast iron, astm a48, class 35b adaptor bushing standard carbon graphite optional hardened cast iron, silicon carbide. Tensile strength decreases with increasing bar diameters because of the difference in solidification and cooling rates. This orders gray iron into classes which corresponds with its minimum tensile strength in thousands of pounds per square inch ksi. Castings are classified on the basis of the tensile strength of the iron in separately. Astm a48, sae j431, gm 274m and astm a126 are standards for gray cast iron.

The graph bars on the material properties cards below compare grade 30 cast iron to. A full bar means this is the highest value in the relevant set. Astm a48 a48m 03 standard specification for gray iron. The high carbon content yields a flake graphite structure. Astm a48 class 200a ascast or heattreated grey cast iron. The values stated in each system may not be exact equivalents. The low cost of production and attractive properties.

Bunan rubber bellows, ceramic stationary, carbon rotating face packing gland. Astm a48a48m032016 standard specification for gray iron. Property class 25 class 30 class 30 class 35 class 40 ascast ascast annealed ascast ascast brinell hardness 187 207 109 212 235 tensile strength 29. Astm a48 94ae1 standard specification for gray iron castings. Astm a536 ductile iron castings tensile requirements. Kabhi kranti kabhie jung movie full hd 1080p free download. Astm a48 standard for gray iron castings dandong foundry.

Astm a48 standard specification for gray iron castings. Cast iron is popular due to the good strength it provides relative to cost. Gray iron has a low tensile strength due to the flake graphite in its microstructure, so it is used for shell components where the stiffness is more important than its tensile strength, and gray iron is extraordinarily good for applications in which vibration. Astm grade 30 or 200 iso 200, enjl 1030, f12101 grey. Cast iron material comparison chart buford, ga cab. Printer friendly version pdf download download as pdf excel download download to excel requires excel and windows export to. Casting are classified on the basis of the tensile strength of the iron in separately cast test bars.

Cast iron astm a48 cast iron gray iron is an alloy of iron and carbon. This page displays only the text of a material data sheet. Home pdf iframe viewer request a quote download view pdf. Durabar g2 gray iron will contain this type of graphite distribution and will be best suited for applications requiring moderate strength, good vibration damping and thermal conductivity, along with optimal machining characteristics. Aisi 416ss lantern ring teflon mechanical shaft seal 188 s. It is used for housings where the stiffness of the component is more important than its tensile strength, such as. Class 35b exhibits the best corrosion and wear resistance properties as well as the desirable quality of high compressive strength. Kk, ls and qs sizes have ductile iron rotor, astm a536 grade 604018. Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. Download pdf chemical composition, max unless range is given, %. Stocking tubing sizes up to 22 inch od with up to 4. Casting material gray iron in astm a48 sand casting, investment. Astm class 25 standard gray iron test bars, as cast.