供应S360 S390 S415油气输送管
合金结构钢 SMn420 SMn433 SMn438 SMn443 SMnC443 SCr415 SCr420 SCr430 SCr440 SCr445 SCM415 SCM418 SCM420 SCM421 SCM425 SCM430 SCM432 SCM435 SCM440 SCM445 SCM822 SNC236
S210油气输送管S245材质 S210钢材 S245圆钢
12 油气输送管
S210 S245 S290 S320 S360 S390 S415 S450 S485 S245 S290 S320 S360 S390 S415 S450 S485 S555
1深冲压冷轧钢
SC1 SC2 SC3
Q420C Q420D Q420E Q460D Q460E Q50
供应S360 S390 S415油气输送管
合金结构钢 SMn420 SMn433 SMn438 SMn443 SMnC443 SCr415 SCr420 SCr430 SCr440 SCr445 SCM415 SCM418 SCM420 SCM421 SCM425 SCM430 SCM432 SCM435 SCM440 SCM445 SCM822 SNC236
S210油气输送管S245材质 S210钢材 S245圆钢
12 油气输送管
S210 S245 S290 S320 S360 S390 S415 S450 S485 S245 S290 S320 S360 S390 S415 S450 S485 S555
1深冲压冷轧钢
SC1 SC2 SC3
Q420C Q420D Q420E Q460D Q460E Q50