UNIASEN specializes in providing carbon steel pipes suitable for a diverse range of global projects. We can provide carbon steel pipe products in all standards and grades. We have more than 20,000 tons of steel pipes in stock. If there is no stock, we can make it to order. Manufacturing lead time is usually within 30 days.

Explore the overview and standards guide to understand our top-tier carbon steel pipes. Should any queries persist, please feel free to reach out to us directly.

Seamless Pipe

Overview
API 5L
API 5CT
ASTM A106
ASTM A179/ASTM A789/ASTM A333
ASTM A192
ASTM A210
ASTM A213
ASTM A312
DN17175/EN10216 /DIN1629
DIN2391/EN10305-1

ERW Pipe

Overview
API 5CT
ASTM A53
ASTM A795
AS 1163
EN 10217
EN 1029
JIS G3444
JIS G 3452
ASTM A500
BS 1387

SSAW Pipe

Overview
API 5L
ASTM A53
ASTM A500
ASTM A252
EN 10217
EN 10219

LSAW Pipe

Overview
API 5L
EN10025
DIN17100
JIS G3101
ASTM A252
AWWA C200-97

Hollow Section

Overview
API, ASTM, BS, EN, JIS, DIN…

Pipe Fittings

ASME/ANSI B16.1
ASTM A234
BS 10
EN 10241
JIS B2311

Coated Pipe

Overview
API 5L
API 5CT
ASTM A53
ASTM A795
JIS G 3422
DIN 30670
DIN 30671
DIN 30678
CAN/CSA-Z245.21
NFA 49-710
ISO DIS21809-1

Recent projects

Tunnel Suez Project in Egypt-UNIASEN carbon steel pipe project
Gas Pipeline Project in Xiongan New Area, China-UNIASEN carbon steel pipe project
Natural Gas Pipeline Project in Xinjiang City, China-UNIASEN carbon steel pipe project
Gas Pipeline Project in Qingdao City, China-UNIASEN carbon steel pipe manufacturer
UNIASEN carbon steel pipe project-Natural Gas Pipeline in Daqing, China
Japanese Structure Project in Tokyo, Osaka, Naha-UNIASEN