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China A36 Ss400 Q235 Q345 Mild Steel Angles in Stock Cold rolled steel/ galvanized steel/ galvalume steel/ prepainted steel/ corrugated steel. 2. steel profiles, such as, steel angle section/ H beams/ I beams/ Channel section etc.. 3. HRC MS plate, checkered steel plate, alloy steel plate /coil etc.. 4. also the carbon steel/ galvanized steel round and square tubes, and stainless steel etc.
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Chinese GB Standard - World MaterialQ345 Steel Properties Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa, it has better properties than Q235.
Chinese standards for reference:steel structures, steel GB/T 12470-2003 Low alloy steel electrodes and fluxes for submerged arc welding GB/T 14957-1994 Steel wires for melt welding GB/T 14981-2004 Dimensions, shape, mass
Short Description:1. Basic product information Product Name:LSAW Structural Pipe 2, product attributes Brand:Rise-steel Model:API5L, ASTM A252, ASTM A53, GB/T 8, API 5CT, ASTM A53, ASTM A500.
GB/T 6725-2017, PDF in English - Chinese StandardGB/T 6725-2017:English:90:Add to Cart:0--10 minutes. Auto immediate delivery. General requirements of cold forming steel sections:GB/T 6725-2017:Valid:GB/T 6725-2017:GB/T 6725-2017:Chinese:14:Add to Cart =1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]
H Beams - HGBUnder the same cross-section load, the hot-rolled H steel structure is 15% -20% lighter than the traditional steel structure. 6. Compared with the concrete structure, the hot-rolled H steel structure can increase the use area by 6%, while the structure's own weight is reduced by 20% -30%, which reduces the internal force of the structural design.