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l grade: a b c d
l thickness: from 6mm to 150mm
l width: from 1,500mm to 4,100mm
l length: from 6,000mm to 20,000mm
l astm a36, astm a572, astm a656, jis g3101 ss400, en10025-2, din 17100, din 17102, gb/t700, gb/t1591
astm a283 plate steel features low and intermediate tensile strength carbon steel plate of structural quality.
astm a283/a283m standard specification covers four grades of carbon steel plates of structural quality for general application. steel samples shall be melt processed by either open-hearth, basic-oxygen, or electric furnace. heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, and copper. steel specimens shall also undergo tensile tests and shall conform to required values of tensile strength, yield point, and elongation.
astm a283/a283m standard main steel grade: astm a283grade a,b,c,d(a283gra,a283grb,a283grc,a283grd)
astm a283 carbon steel plate sheet is equivalent to a36 steel, jis ss400 steel, chinese q235 steel, etc. a283 carbon steel plate sheet is easy to machine and fabricate and can be securely welded by all welding methods. a283 carbon steel is mainly used in riveted, bolted, and welded construction of bridges and buildings.
astm a283 chemical properties
grade a | grade b | grade c | grade d | |
carbon, max | 0.14 | 0.17 | 0.24 | 0.27 |
manganese, max | 0.90 | 0.90 | 0.90 | 0.90 |
phosphorus, max | 0.035 | 0.035 | 0.035 | 0.035 |
sulphur, max | 0.04 | 0.04 | 0.04 | 0.04 |
silicon plates 1 1/2 in and under, max plates over 1 1/2 in | 0.40 0.15-0.40 | 0.40 0.15-0.40 | 0.40 0.15-0.40 | 0.40 0.15-0.40 |
copper min % when copper steel is specified | 0.20 | 0.20 | 0.20 | 0.20 |
astm a283 mechanical properties
grade a | grade b | grade c | grade d | |
tensile strength: | 45,000 -60,000 psi [310 - 415 mpa] | 50,000 -65,000 psi [345 - 450 mpa] | 55,000 75,000 psi [380 - 515 mpa] | 60,000 -80,000 psi [415 - 550 mpa] |
min. yield point: | 24,000psi [165 mpa] | 27,000psi [185 mpa] | 30,000psi [205 mpa] | 33,000psi [ 230 mpa] |
elongation in 8": | 27% min | 25% min | 22% min | 20% min |
elongation in 2": | 38% min | 28% min | 25% min | 23% min |
