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Product Standards for seamless tubes
Dec 15, 2017



Product

Standard

Specification

Steel Grade

Hot dip galvanized seamless steel pipe

ASTM A53

18-406x 2mm-20mm

A,B

Carbon steel seamless pipe for high temperature operation

ASTM A106

18-406x 2mm-20mm

A-X70

Seamless cold drawn carbon steel for high heat exchanger

ASTM A179

1/4--4” x SCH20-SCH80

STB340, 410, 510

OCTG-Tubing

API 5CT

2-3/8~5-1/2

K55, J55, L80, C90, M65, NO80

Seamless line pipe

API 5L

10-610

B-X70



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