GB713 pressure vessel steel plate boiler steel sheet

GB713 pressure vessel steel plate boiler steel sheet

GB713 standard specifies the grade, size, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality instructions of pressure vessel steel plate boiler steel sheets. GB713 standard covers Q245R, Q345R, Q370R, 13MnNiMoR, 15CrMoR, 12Cr1MoVR and so on steel grades.

GB713 pressure vessel steel plate boiler steel sheet chemical composition:

GB713 C% Si% Mn% Cr% Ni% Mo% Nb% V% P% S% Alt%
Q245R ≤0.20 ≤0.35 0.50-1.00           ≤0.025 ≤0.015 ≥0.020
Q345R ≤0.20 ≤0.55 1.20-1.60           ≤0.025 ≤0.015 ≥0.020
Q370R ≤0.18 ≤0.55 1.20-1.60       0.015-0.050   ≤0.025 ≤0.015 -
18MnMoNbR ≤0.22 0.15-0.50 1.20-1.60     0.45-0.65 0.025-0.050   ≤0.020 ≤0.010 -
13MnNiMoR ≤0.15 0.15-0.50 1.20-1.60 0.20-0.40 0.60-1.0 0.20-0.40 0.005-0.02   ≤0.020 ≤0.010 -
15CrMoR 0.12-0.18 0.15-0.40 0.40-0.70 0.80-1.20   0.45-0.65     ≤0.025 ≤0.010 -
14Cr1MoR 0.05-0.17 0.50-0.80 0.40-0.65 1.15-1.50   0.45-0.65     ≤0.020 ≤0.010 -
12Cr1MoVR 0.08-0.15 0.15-0.40 0.40-0.70 0.90-1.20   0.25-0.35   0.15-0.30 ≤0.025 ≤0.010 -

GB713 pressure vessel steel plate boiler steel sheet mechanical property:

  Thickness Tensile strength Yield strength Elongation % Impact test
GB713  mm  Mpa  Mpa  % Temperature (℃) Energy (J)
Q245R 3-16 400-520 245 25 0 31
16<T≤36 235
36<T≤60 225
60<T≤100 390-510 205 24
100<T≤150 380-500 185
Q345R 3-16 510-640 345 21 0 34
16<T≤36 500-630 325
36<T≤60 490-620 315
60<T≤100 490-620 305 20
100<T≤150 480-610 285
150<T≤200 470-600 265
Q370R 10-16 530-630 370 20 -20 34
16<T≤36 360
36<T≤60 520-620 340
18MnMoNbR 30-60 570-720 400 17 0 41
60<T≤100 390
13MnNiMoR 30-100 570-720 390 18 0 41
100<T≤150 380
15CrMoR 6-60 450-590 295 19 20 31
60<T≤100 275
100<T≤150 440-580 255
14Cr1MoR 6-100 520-680 310 19 20 34
100<T≤150 510-670 300
12Cr1MoVR 6-60 440-590 245 19 20 34
60<T≤100 430-580 235

BBN steel offers GB713 pressure vessel steel plate boiler steel sheet with third party inspection as ABS,LR,TUV,SGS and others which customers designated. GB713 pressure vessel steel plate boiler steel sheets are used for the manufacture of petroleum, chemical, gas separation, gas storage and transportation containers or other similar equipment, such as various towers, heat exchangers, storage tanks, etc.