Explorative,Innovative,Distinctive and Dedicative. The best honor for CTA steel is our good properity steel products use in your ongoing project in near future smoothly.

Standard

Steel Grade

API Spec 5L PSL1

Grade A (L210)

Grade B (L245)

API 5L X42 (L290)

API 5L X46 (L320)

API 5L X52 (L360)

API 5L X56 (L390)

API 5L X60 (L415)

API 5L X65 (L450)

API 5L X70 (L485)

API Spec 5L PSL2

Grade B (L245)

API 5L X42 (L290)

API 5L X46 (L320)

API 5L X52 (L360)

API 5L X56 (L390)

API 5L X60 (L415)

API 5L X65 (L450)

API 5L X70 (L485)

API 5L X80 (L555)