890 tons 09CuPCrNi-A corrosion resistant curtain wall steel Square tube to Korea in 2013

890 tons 09CuPCrNi-A corrosion resistant curtain wall steel Square tube to Korea in 2013

890 tons 09CuPCrNi-A corrosion resistant curtain wall steel Square tube to Korea in 2013
  • Comments: Steel plates for oil and gas pipelines: X42 (L290), X46 (L320), X52 (L360), X56 (L390), X60 (L415), X65 (L450), X70 (L485), X80. Executive standard: API -5LB (L245). Main purpose: used to make oil and natural gas pipelines. API 5L generally refers to the

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