Mar 17, 2020 · Q345 steel, with charicteristics of 7.85 g/cm3 material density, and 470-630 Mpa tensile strength, is a Chinese GB standard low alloy high strength structural steel. Q is the first letter of Chinese Pinyin:qu fu dian, which means Yield Point, 345 is the minimum value of yield strength for steel thickness less than 16mm. It is commonly used material among low alloy materials
Chemical composition, Mechanical, physical - Steel Classification:China structural steel and alloy steel Chemical composition % of the ladle analysis of grade Q345 C Si Mn P S Cr Ni Mo V 0.18 0.55 0.025 0.025 0.02-0.15 W N Cu Co Pb B Nb Al Other 0.015-0.060 0.015 Ti Ta 0.02-0.20 Mechanical properties of grade Q345 Annealing hardness HBS Cold pull hardness HBS Preheatin g temperat ure °C Quenching temperature °C
Dec 12, 2019 · Q345 low alloy high strength steel is the replacement steel of old GB grade 12MnV, 14MnNb, 18Nb, 16MnRE, 16Mn, etc. The chemical element is similar to 16Mn, and Q345 increases the micro-alloy element V, Ti and Nb which refines the grain, greatly improving the toughness and comprehensive mechanical properties of steel, thus allows a greater thickness.
Differences between A572Gr50 Steel and Q345 Steel steel Q345 can be divided into Q345A, Q345B, Q345C, Q345D, Q345E according to grade. They represent mainly different temperatures of impact. 2.Difference between A572Gr50 Steel and Q345 Steel in Chemical Composition Q345 Steel Chemical Composition (%):Q345A:C0.20Si0.50, Mn 1.70, P0.035, S0.035;
Grade S355NL, S355ML and Q345 Steel Differences steel S355ML:S355ML steel is normalized steel (fine grain steel) in EN10025-3:2004 standard. Its yield strength and tensile strength correspond to China's Q345 low alloy steel. Grade Q345:Q345 material is a kind of steel. Is a low alloy steel, widely used in bridges, vehicles, ships, construction, pressure vessels, special equipment, etc.
Dec 08, 2019 · The latest standard of Q195 steel is GB/T 700 2006, for chemical composition, mechanical properties and equivalent, please see the following tables. Q195 Material Features and Applications Q195 material has high plasticity, toughness and weldability, good pressure and processability, but low strength.
Q235 Steel Q235A Q235B Q235C Q235D Equivalent,
Q235 SteelFeatures and ApplicationsData Sheet and SpecificationQ235 Steel EquivalentQ355 Steel, Q355B Q355C Q355D Properties, Composition Dec 08, 2019 · Q355 steel is a Chinese low alloy high strength structural steel, which replaced Q345, the material density is 7.85 g/cm3. According to GB/T 1591 -2018, Q355 has 3 quality levels:Q355B, Q355C and Q355D. Q is the first letter of Chinese Pinyin:qu fu dian, which means Yield Strength, 355 is the minimum value of yield strength 355 MPa for steel thickness 16mm, and tensile strength is 470-630
Q345 235STEEL - Co., Ltd. - Alloy steel bars ,Medium to Short Description:Q345 Steel Chemical Composition:Steel Standard Steel Grade Chemical Composition C Mn Si P S V Nb Ti Al Q345 A 0.020 1.00~1.60 0.55 0.045 0.045 0.02~0.15 0.015~0.060 0.20 - B 0.020 1.00~1.60 0.55 0.040 0.040 0.02~0.15 0.015~0.060 0.20 - C 0.020 1.00~1.60 0.55 0.035 0.035 0.02~0.15 0.015~0.060 0.20 0.015 D 0.020 1.00~1.60 0.55 0.030 0.030 0.02~0.15 0.015~0.060 0.20 0.015 E 0.020 1.00~1.60 0.55 0.025 0.025 0.02~0.15 0.015~0.060 0.20 0.015 Q345 Steel
Q345 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. According to GB/T 1591 2008, Q345 material has 5 quality grades:Q345A, Q345B, Q345C, Q345D and Q345E.
Q345 steel property and specification are equivalent to The Q345 is a steel with less than 0.2 percent of its composition made up of carbon, less than 0.55 percent of its composition made of silicon and several impurities. This particular grade of steel is a general purpose manufacturing steel in construction equipment field.
Structural Steels - Chinese Steel GradesQ345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength Q215 Steel, Q215A, Q215B Chemical Composition, Properties & Equivalent Q215 steel is a Chinese carbon structural steel, divided into 2 quality grades:Q215A and Q215B, material density is 7.85 g/cm3.
Q345 is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts, Q345(E) steel plate is always delivered in hot rolled or normalizing state, can be used in areas where its temperature is