Steel bars produced by re rolling finished products or by rolling material whose metallurgical history is not known and fully documented are excluded. Product specification bs4449 for forthcoming issue. Rebar in coil technical specification emirates steel. It provides designations based on the grade of steel, the product form and dime.
Covers plain round steel bars in grade 250 and deformed high yield steel bars in grade 460. Publisher information british standards institution. What is the equivalent steel grade in astm to bs 4449 grade. Bs 4449 reinforcing steel bs 8666 reinforcing scheduling concrete structures ec2 5 concrete six density classes of lightweight concrete are defined in en2061. Sheffield university, university of sheffield, 14 march 2003, uncontrolled copy, c bsi. What is the equivalent steel grade in astm to bs 4449. Elite design royal borough of kensington and chelsea. Superseded, 1 bs 12 1996 specification for portland cement bs 146 1996 specification 1 bs 4483 1998 steel fabric for the r home blog.
The standard is used to specify all normal technical requirements for reinforcing. With over 100 years of experience the british standards institute is recognised as the uks national standards body. Alibaba manufacturer directory suppliers, manufacturers. Bsi bs 4449 steel for the reinforcement of concrete. This table illustrates the difference in properties between grade 460. Material requirements for steel and concrete structures. The grade 500b covers steel delivered in the form of bars,coils products.
Under ce rules, all national codes that conflict with the eurocodes must be withdrawn by 2010. Bs449 21969 structural steel in building slideshare. Standards, codes and regulations these as full european standards. Properties of reinforcing steels tensile test on reinforcing bar table 1 specified characteristic tensile properties standardgrade yield tensileyield elongation elongation class stress nmm2 ratio a 5 % a gt % bs 4449. Free to choose which dimension shall allow for tolerance. You have clicked a page that seems to be very popular. The assistance derived from these sources is hereby acknowledged. The top countries of supplier is china, from which the percentage of bs4449 gr 460b supply is 69% respectively. High yield steel bars for the reinforcement of concrete. Bs 44492005 500b weldable reinforcing steel shanghai. Ian 70 06 implementation of new reinforcement standards. It is likely that bs 8110 will be withdrawn before then. Asme sa516 grade 6070 plates, api 5l x52 seamless pipes, api 5l x60 seamless pipes, api 5l x65 seamless pipes, api 5l x70 seamless pipes, s355j2g3 en10025 plates, st523 din17100 plates, sa515 grade 6070 plates, sa182 f11 bars, sa182 f22 bars, sa182 f91 bars, sa182 f5 bars, sa240 grade 321h plates, sa240 grade 347h plates, sa240 grade 316l plate, api5l x52 lsawdsaw. Platinum sponsor in the national industries and construction expo organized by expotag 2012.
What is the equivalent steel grade in astm to bs 4449 grade 460b. Bs 44491997 460b carbon steel bars for the reinforcement. The standard bs 44491997 covers plain round steel bars in grade 250,and deformed type 1 and type 2 high yield steel bars in grade 460,the latter in two ductility categories are 460a and 460b. Although bs4466 is superseded it is still used and is. Bs 4449, carbon steel bars for the reinforcement of concrete.
Deformed bars produced at qatar steel conform to various national and international standards such as, bs 4449. It should be noted that below 8mm diameter, reinforcing steel to bs 4449 does not comply to bs en 199211 with respect to ductility. Jan 25, 2011 what is the equivalent steel grade in astm to bs 4449 grade 460 b. This document comes with our free notification service, good. It provides designations based on the grade of steel, the product form and dimensions. Hence, plain round bar, grade 250, has been dropped from bs. It is envisaged that when en 10080 currently in draft form as pr en 10080 is published grade 500 bars and fabric will supersede grade 460. The characteristic yield strength has also been increased from 460 mpa to 500 mpa. Ts interim amendment no 22 implementation of new reinforcement standards bs 4449. All bsi british standards available online in electronic and print formats. Coating weight category coat minimum average ing weight for any individual test area in gm 5mm thick and over 610 below 5mm but not less than 2 mm 460 steel articles which are not centrifugal below 2mm but not less than 1 mm 335 grey and malleable iron. Steel bars for use as lifting hooks are not included. It should be noted that for steels of either strength level, each may possess a specific level of ductility, shown by the use of the identifiers a, b and c. Bs 4449 is intended for manufacturers, fabricators and purchasers of ribbed reinforcing steel bars, coils and decoiled products for the reinforcement of concrete structures.
Deals with grade 250 plain round steel bars and grade 460 deformed high yield steel bars. Bs 4449, bs 4461 or bs 4482 and the type of wire required. Amd 4540 specification for hot rolled steel bars for the reinforcement of concrete from sai global. Product specification melewar industrial group berhad.
This table illustrates the difference in properties between grade 460 mpa steel and grade 500 mpa reinforcing bars as defined by the british standard b4449. Bs 4449, which will be used in conjunction with the new european standard bs en 10080, has been revised to reflect the three ductility classes of eurocode 2. In april 2000 a new british standard, bs8666 the specification for scheduling, dimensioning, bending and cutting of steel reinforcement for concrete was introduced, replacing bs 4466. Standards relating to concrete reinforcing and prestressing are. Latest news kuwait steel sponsors and participates in kuwait industries union 2019 marathon. Buy bs standard bs4449 grade 460 deformed steel bar reinforcing steel bar bs 4449. Bs 44491997 460b carbon steel bars for the reinforcement of.
Product specification bs4449 free download as pdf file. Home publication index british standards institution bs 4449. Product specification bs4449 yield engineering stress. High tensile deformed steel bar bs 4449 1997 gr 460 b astm a615 gr 60 gr 75, bs 4449. Type high yield deformed bar specification m s 146. Bs standard bs4449 grade 460 deformed steel bar reinforcing. The standard bs 44492005 contains provisions for three steel grades,all of 500mpa characteristics yield strength,but with different ductility characteristics. Bs 4449 2005 steel for the reinforcement of concrete. This standard went back and forth over many years seeking a pragmatic agreement amongst. Bs4449 historical revision information steel for the reinforcement of concrete. During the coexistance period of bs 8110 and ec2, it is important to create a similar path for the use of each, with.
Bs 44491997 460b carbon steel bars for the reinforcement of concrete. Bs 4449 2005 steel for the reinforcement of concrete free download as pdf file. Weldable steel for the reinforcement of concrete has become subject to the european standard, bs en 10080. Product specification high tensile deformed bars specifications.
894 188 823 647 943 1053 1566 450 1296 677 1516 627 42 98 1164 1055 705 1228 139 1049 85 806 1521 613 1523 590 965 1053 846 9 1024 699 1454 670 1212 1159 648 975 428