Use: pipeline transportation, boiler pipelines, hydraulic/automotive pipelines, oil/gas drilling, food/beverage/dairy products, machinery industry, chemical industry, mining, building decoration, special purpose, water transportation
Standard: ASTM A53, A500 A252, A795 BS1387, GB/T3091, ISO R65, tube
Certificate: Iso 9001, API 5L, 5CT
Tolerance: + 1-5%
Length: 3-12 m
Main uses: scaffolding, structure, fence, furniture
Surface: oil, black, varnish, hot dip galvanized
Specification: 21.3 — 609.6