PRODUCT >> LINE PIPE

STANDARD: GB/T 8711, API5L APPLICATION/strong> FOR TRANSPORT FLAMMABLE AND NON-FLAMMABLE LIQUID IN PETROLEUM AND NATURAL GAS INDUSTRIES MATERIAL Standard Grade C Si Mn P/td> S/td> V Nb Ti GB/T9711.1 L210 .22 - .90 0.030 0.030 - - - L245 .27 - .15 0.030 0.030 - - - L290 .29 - .25 0.030 0.030 - - - GB/T9711.2 L245NB .16 .40 .1 0.025 0.020 - - - L290NB .17 .40 .2 0.025 0.020 0.05 0.05 0.04 API5L PSL1 A .22   .90 0.030 0.030       B .28   .20 0.030 0.030     .04 X42 .28   .30 0.030 0.030     .04 X46, X52 .28   .40 0.030 0.030     .04 API5L PSL2 B .24   .20 0.025 0.015     .04 X42 .24   .30 0.025 0.015     .04 X46, X52 .24   .40 0.025 0.015     .04 Tolerance Standard OD TOLERANCE     GB/T9711.1 D73.1 -0.40mm/+1.59mm +/-0.75% +15%/-12.5%   D73.1 -0.79mm/+2.38mm GB/T9711.2 +/-0.5%/-1.6mm +/-0.75% +/-12.5% API5L D73.1 -0.40mm/+1.60mm +/-0.75% +15%/-12.5% D73.1 -0.80mm/+2.40mm   Specification 壁厚 MM/IN 4.4 4.8 5.2 5.6 6.4 7.1 7.5 7.9 8.5 8.7 9.0 9.5 10.3 11.1 12.7 外径 IN/MM 0.173 0.189 0.205 0.220 0.252 0.280 0.295 0.311 0.355 0.343 0.354 0.374 0.395 0.437 0.550 4 1/2 114.3                               5 1/2 139.7                               5 9/16 141.3                               6 1/4 159                               6 5/8 168.3                               7 177.8                               7 5/8 193.7                               8 5/8 219.1                               9 5/8 244.5                               10 3/4 273.1                               12 3/4 232.9                               13 3/8 339.7                               14 355.6