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Q345B seamless pipe

Q345B seamless pipe
  • Q345B seamless pipe
Product code: 16671900001
Unit price: Price Negotiable
Price unit: Per piece
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Q345B seamless pipe (16Mn: Q345A Q345B Q345C Q345D Q345E) Q345B seamless pipe
Q345B seamless pipe main features: Good mechanical properties; weldability; cold; hot workability and corrosion resistance are good; having a good low-temperature toughness Q345B seamless Applications: Marine; boiler; pressure vessel; petroleum storage tanks; bridge; power station equipment; lifting the transport machinery and other higher loading of welded structure Q345B seamless old standard control: 18Nb of Nb killed steel; 14MnNb similar performance; mainly used for cranes; blowers; chemical machinery 09MnCuPTi Weathering Corrosion of steel; good low-temperature impact toughness; weldability; hot and cold processing performance are good; mainly used for various mechanical 12MnV operating temperature and corrosive atmosphere humid and rainy region of -70 degrees temperature environments steel; mainly used in refrigeration machinery ; structure 14MnNb performance at low temperatures and 18Nb steel similar work, mainly for the good mechanical properties of 16Mn operating temperature -20-450 degrees of containers and other structures; low temperature performance; cold stamping performance; weldability and machinability are good; mainly used for mining; transportation; and chemical properties of various mechanical 16MnRE similar 16Mn steel; impact toughness and cold bending performance than 16Mn; use the same in Q345D 16Mn seamless steel chemical composition: C: ≤0.18 Si: 0.20 -0.60 Mn: 1.00-1.60 P: ≤0.030 S: ≤0.030 Ni: ≤0.30 Cr≤0.30 Cu: ≤0.20 Al: ≥0.015 V: 0.02-0.15 Nb: 0.015-0.06 Q345B seamless chemical composition: C: 0.12 -0.20 Si: 0.20-0.60 Mn: 1.00-1.60 P: ≤0.040 S: ≤0.040 Ni: ≤0.30 Cr: ≤0.30 Cu: ≤0.20 V: 0.02-0.15 Nb: 0.015-0.06 Q345A Seamless chemical composition: C : 0.12-0.20 Si: 0.20-0.60 Mn: 1.00-1.60 P: ≤0.045 S: ≤0.045 Ni: ≤0.30 Cr: ≤0.30 Cu: ≤0.20 V: 0.02-0.15 Nb: 0.015-0.06 Q345C Seamless chemical composition : C: 0.12-0.20 Si: 0.20-0.60 Mn: 1.00-1.60 P: ≤0.035 S: ≤0.035 Ni: ≤0.30 Cr: ≤0.30 Cu: ≤0.20 Al: ≥0.015 V: 0.02-0.15 Nb: 0.015-0.06 Q345E Seamless chemical composition: C: ≤0.18 Si: 0.20-0.60 Mn: 1.00-1.60 P: ≤0.025 S: ≤0.025 Ni: ≤0.30 Cr≤0.30 Cu: ≤0.20 Al: ≥0.015 V: 0.02-0.15 Nb : 0.015-0.06 Q345D seamless mechanical properties: Tensile strength: 490-675 Yield strength: ≥345 Elongation: ≥22 Q345B seamless mechanical properties: Tensile strength: 490-675 Yield strength: ≥345 Elongation Rate: ≥21 Q345A seamless mechanical properties: Tensile strength: 490-675 Yield strength: ≥345 Elongation: ≥21 Q345C seamless mechanical properties: Tensile strength: 490-675 Yield strength: ≥345 Elongation Rate: ≥22 Q345E seamless mechanical properties: Tensile strength: 490-675 Yield strength: ≥345 Elongation: ≥22