our products are seamless steel pipe,DSAW pipe, ERW pipe, SSAW pipe.

DSAW pipe - (Double Submerged arc welded Pipe)

DSAW pipe

DSAW pipe
1)API 5L ,ASTM A106/ASTM A53
2) GR.B X42 ,X52,X65 ,X60
3) OD from 219mm to 1450mm

4.Material: 20#,A106GR.B,A53GR.B,API5LGR.B,X52,X60,X65,X70
5.NPS: 1/2"-48"
6.Schedule: SCH10S-SCHXXS or according to customer's requiements
7.length: 4m-12m

used for :petroleum and natural gas industry .chemical industry,electric industry, flammable and non flammable liquid transportation and steel construction,drainage project andcity construction etc


DSAW
DSAW steel pipe

Longtaidi made by three factories which can produce SMLS,ERW,SSAW,LSAW steel pipe to meet the customers requirements.
All of the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API, BS,Our company's production is carried out in accordance with TS EN ISO 9001:2000, API5 L, ISO 14001:2004 and ISO9001,SGS Integrated Management(quality) Systems. Production in our facilities is also realized in accordance with the international standards such as TS, DIN, AWWA, ASTM, BS, UNI, JIS, GOST, ANSI, ISO.

The range of our products are
(1)SMLS :OD 1/4 inch-30inch W.T 1.25mm to 50mm,
(2) ERW/LSAW/DSAW OD 1/2inch-52inch W.T 1.65mm to 25mm
(3) SAW/SSAW 219mm to 3120mm .W.T 3mm to 25mm)

dsaw pipe

dsaw welded PipeDouble Submerged arc welded Pipe.

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