Seamlless steel tubes for high-pressure chemical fertilizer processing equipments-GB6479-2013
Overview Application Seamless steel pipe for high pressure fertilizer equipment is a high quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipeline. Main Grade Grade of high-quality carbon structural steel: 10#、20# Chemical Component Chemical Component/% NO C Si Mn Cr Mo V W Nb Ni P S no more than 10 0. 07-0. 13 0. 17 -0. 37 0.35 -0. 65 - - - - - - 0.025 0.015 20 0. 17 -0. 23 0.17 -0. 37 0. 35-0.65 - - - - - - 0.025 0.015 Q345Ba 0. 12 -0. 20 0.20-0. 50 1.20-1.70 <0. 30 <0. 10 mis - <0.07 W0. 50 0.025 0.015 Q345C" 0. 12 -0. 20 0.20 -0. 50 1.20 -1. 70 W0. 30 <0. 10 <0. 15 - W0.07 <0. 50 0.025 0.015 Q345D" 0. 12 -0. 18 0.20 -0. 50 1. 20~1.70 W0. 30 <0. 10 <0. 15 - W0.07 <0. 50 0. 025 0.015 Q345Ea*b 0. 12 -0. 18 0. 20-0. 50 1. 20 -1.70 W0. 30 <0. 10 <0. 15 - <0.07 <0. 50 0. 025 0.01 12CrMo 0. 08-0. 15 0.17 -0. 37 0. 40-0. 70 0. 40-0. 70 0. 40-0. 55 - - - - 0. 025 0.015 15CrMo 0. 12 -0. 18 0. 17 -0. 37 0. 40-0. 70 0. 80-1. 10 0. 40-0.55 - - - - 0. 025 0. 015 12Cr2Mo 0. 08-0. 15 <0. 50 0. 40-0.6 2.00-2. 50 0. 90-1. 13 - - - - 0.025 0. 015 12Cr5Mo <0. 15 <0.50 <0. 60 4. 00-6.00 0. 40-0. 60 - - - <0. 60 0. 025 0. 015 lOMoWVNb 0. 07-0. 13 0. 50-0.8 0. 50-0.8 - 0. 60-0. 90 0. 30-0. 50 0. 50-0. 90 0. 06-0. 12 - 0.025 0.015 12SiMoVNb 0.08 -0. 14 0.50 -0.8 0. 60-0. 90 - 0. 90-1. 10 0. 30-0. 50 - 0. 04-0.08 - 0.025 0.015 Awhen it is necessary to add fine grain elements, the steel shall contain at least one of Al, Nb, V and Ti. The added fine grain elements shall be indicated in the quality certificate. Ti content shall not be more than 0.20% BAl content in steel shall not be less than 0.020%, or ala content in steel shall not be less than 0.015% Mechanical Property Grade Mechanical Property Tensile Yield Elong after fracture A/% Reduction of area Shork absorption energy MPa MPa Z/% （KV2）/J Steel tube wall thickness/mm Test temperature/℃ portrait transver W16 >16 — 40 >40 portrait transver not less than not less than 10 335〜490 205 195 185 24 22 一 一 — 一 20 410〜550 245 235 225 24 22 一 0 40 27 Q345B 490〜670 345 335 325 21 19 一 20 40 27 Q345C 490〜670 345 335 325 21 19 一 0 40 27 Q345D 490〜670 345 335 325 21 19 一 -20 40 27 Q345E 490〜670 345 335 325 21 19 — -40 40 27 12CrMo 410~560 205 195 185 21 19 — 20 40 27 15CrMo 440〜640 295 285 275 21 19 一 20 40 27 12Cr2Moa 450〜60。 280 20 18 一 20 40 27 12Cr5Mo 390〜590 195 185 175 22 20 一 20 40 27 lOMoWVNb 470〜670 295 285 275 19 17 一 20 40 27 12SiMoVNb 2470 315 305 295 19 17 50 20 40 27 A 12Cr2Mo pipe，When D<30 mm and SW3 mm，the lower yield strength or specified plastic extension strength can be reduced by 10 MPa. Test Requirement In addition to ensuring the chemical composition and mechanical properties, the steel pipe directly rolled by ingot shall be subject to low power inspection, and eddy current inspection or magnetic flux leakage inspection can be used instead of hydraulic test. Supply Ability 2000 Tons Per Month Per Grade of Seamless steel tubes for high-pressure chemical fertilizer processing equipments. Packaging In Bundles And In Strong Wooden Box Delivery 7-14 days if in stock, 30-45 days to produce Payment 30% depsoit, 70% L/C or B/L copy or 100% L/C at sight Product Detail mechanical/Chemical&Fertilizer Pipes GB/T8162-2008 ASTM_A519-2006 BS EN 10210-1-2006 ASTM A53A53M-2012 GB9948-2006 GB6479-2013 GB/T 17396-2009