Standard length is 6m (20ft),

Customized length 5.8m (19ft) , 7.3m(24ft), 10m(33ft),    

11.8m(39ft), 12m(40ft) 

Milled Steel Carbon steel according to various standard

Chinese Standard: GB/T 3091, GB/T 9711, GB/T 13793, GB/T 6728;

US Standard: ASTM A500,ASTM A53,API 5L , 

British Standard: BS1387, EN39,  EN10219

Black , no surface treatment. 

Or primer painted, powder coated, galvanized, anti-rust oiled, According to customer's requirement

Based on various standard / different standard,

1. delivery liquid, water, gas

2. for construction, steel structure,

3. scaffolding pipe, scaffolding material,

4. greenhouse frame, fence post, 

5. machinery parts, (bus frame material for some countries, truck frame material ects.) 

6. Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure,   petrochemical, pharmaceutical industry

1. general package: in bundle, steel strip packed

2. anti-rust package: in bundle, PVC plastic package

3. to save container room and space: small diameter pipe insert in big diameter pipe

4. other package according to customer's requirement