Grade 23 350 gg35 fgg35 grs35 ft35d class 55 ga 350 05 enjl1060. Gray iron astm a48 class 30 data sheet penticton foundry. The trim and float shall be stainless steel complying with bs en 10084, bs en 10085, bs en 10087, bs en 10095, bs en 102504 and pd 970, grade 1. All bsi british standards available online in electronic and print formats. These are the standard or flake graphite alloys and the ductile or spheroidal graphite alloys. Cast iron bar is offered as grey iron and ductile types. To take the uk as an example one of the earlier standards used was bs 1452. Index country grey iron grade 1 china ht350 ht300 ht250 ht200 ht150 ht100 2 japanese fc350 fc300 fc250 fc200 fc150 fc100 3 usa no. Cast iron specification bs1452 grade 220 is available as continuous cast grey iron bar in rounds and flats. Pressure test according to standards en 122661, din 3230, bs 6755 and iso 5208. The major difference in these types of cast iron is the shape and distribution of graphite in their micro structure.
Bs1452 grade 250 cast iron bs1452 grade 250 cast iron stockholders and suppliers, delivering to the whole of the uk. Mechanical properties shown are typical and may vary subject to the size and section of this cast iron grade. About us we believe everything in the internet must be free. The matrix may be ferritic for the lower strengths to pearlitic for higher strength. Dimensions dn h l d k l n d kg 50 260 180 165 125 18 4 35 14 80 294 230. Grey cast iron english version of din en 1561 i din i en 1561 ics 77.
Brass bs 2874 cz 121 copper alloy bs 2874 cz 2 or bs 2871 cz 110 spring. U pipes, fittings, valves and ancillary equipment, their joints and to joints with components of other plastics and nonplastics materials intended to be used for the following. This is a comparison table for the gray iron and ductile iron grades of various. A grey cast iron exibiting good strength and wear resistance. Properties and applications of niresist and ductile ni. Grade 0 no defined corrosion resistance grade 1 mild resistance. Guide to interpreting markings for single axis fire doors. Properties and applications of niresist and ductile niresist alloys general characteristics of the niresist austenitic cast iron alloys there are two families of niresist austenitic cast irons. British standards bs are the standards produced by the bsi group which is incorporated under a royal charter and which is formally designated as the national standards body nsb for the uk. Bs1452 grade 260 cast iron stockholders and suppliers, delivering to the whole of the uk. Astm a48 class 30 related standards din gg20, bs 1452 grade 220 is a gray cast iron. Certification cast iron grade bs1452 200 is available with a certificate of conformity, please request when placing any orders.
S355j2 to bs en 10025 formerly 50d to bs 4360 steel. Cast iron bar bs1452 grade 260 is continuous cast and supplied in rounds and flats. Equivalent grades of gray iron, ductile iron, sg iron. Bs 1452 grade 14 equivalent bs 1400 lg2c equivalent bs 1 504 grade 161b equivalent bs 2789 sng 2712 equivalent en 58j equivalent above dimensional specifications apply only where valves have flanges to british metric or american standards. With its fine grain structure bs1452 grade 260 can be machined to achieve a good polished surface finish and is suitable for copper or chromium plating. Structural cast steels can be obtained with equivalent strength and toughness to grade. When fractured, it is grayish in colour hence the name specifically, a fracture will follow along the graphite flakes which are gray.
Five corrosion grades are identified in accordance with bs en1670. Equivalent grades of gray iron, ductile iron, sg iron, nodular graphite iron. Qty description material 4 for dn15100 and 6 for dn125400 weightmesh kg mm 15 95 65 45 14 4 14 74 110 2,3 20 150 105 75 58 16 4 14 90 2,9 25 160 115 85 68 16. Other flange standards can be supplied but overall dimension may vary. In grey cast iron the free graphite is in the form of flakes. The higher grades of grey cast iron that is, grades fg 300, fg 350 and fg 400 present special difficulties for section 10 mmand thinner. F 3240n strainer pn16 flanged type y flanged ends pn 16. The dimensions of the test piece are as given in table 2. The results obtained against any particular grade may be deemed acceptable if the specified minimum strength is exceeded by up to 100 nmm2. Set up standards of quality for goods and services, and prepare and. The bsi group produces british standards under the authority of the charter, which lays down as one of the bsis objectives to. Bs1452 grade 220 cast iron bar delivered by west yorkshire steel. In conjunction with iso 14522, iso 14523, iso 14524 and iso 14525, it is applicable to pvc. Microsoft word technical specifications website september 2014.
The gray iron grade and tensile strength of single test. Quality assured supply bs1452 grade 200 cast iron is supplied in accordance with our iso 9001. Bs 6744 chemical composition and mechanical properties of stainless steel. Bsi bs 1452 specification for flake graphite cast iron. British standard bs for stainless steel for general application 2. The source standarts should always be checked for the specific purpose for each material, in case of doubt. I i grey cast iron i english version din en en 1561. Grade 200 class 25 grade 180 gg20 grade 200 class 30. Medium grade turnouts over which british railways locomotives do not operate, for axle loads not exceeding 25 tons. Close grained cast iron bs 1452 grade 260 close grained cast iron to bs 1452 grade 260 or 220. Safety aspects for burners employing forced or mechanically induced draught, which may be packaged or non packaged types and designed for use with 1st, 2nd and 3rd family gases. Engjl250, formerly grade 250, grey cast iron supplied in bar form up to 3m in length in rounds, flats and squares. With its fine grain structure this grade can be machined to achieve a good polished surface finish suitable for copper or. Gray iron consists of graphite flakes in a metallic matrix.
Guide to interpreting markings for single axis fire doors hinges an overview of bs en 1935. Steel express supply engjl250 conforming to en 1561 from stock throughout the uk. The gray iron grade and tensile strength of single test specimen. Bs 1452 1990 for gray iron castings dandong foundry. Find the most uptodate version of bs 1452 at engineering360. Cast iron specification bs1452 grade 250 is supplied as continuous cast grey iron bar in rounds and flats. A source of confusion is the large number of production standards that have grown up across the world to enable buyers to specify a particular grade. Cast iron bars are generally alloys that contain more than 2% carbon and from 1% to 3% silicon. The strength of a grey cast iron varies with the section size of the casting due to solidification effects.
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