Factory supply welded steel pipes ASTM A53 carbon welded steel tubes ERW spiral welded steel pipe

API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A270, ASTM A249, ASTM A511,ASTM A778 ,ASTM A312,ASTM A358,ASTM A409,ASTM A213,ASTM
A790,ASTM A268,ASTM A269,ASTM A554,ASTM B338,ASTM B673,ASTM B674,ASTM B677,ASTM B675, ASTM B676, ASTM B690,ASTM A928,ASME
B36.19,ASMEB36.10,ASTMA179/A192/A213/A210/370WP91,WP11,WP2

GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,GB/T8163-2008, GB8162-2008,GB/T17396-2009

EN10216-5,EN10217-7,DIN 17456,DIN 17458

JIS G3463,JIS G3119,JIS G3446,JIS G3218,JIS G3258,JIS G3448,JIS H4631

DEP 31,DEP 40,DEP 20,DEP 32,DNV-OS-F101

Q195 = S195 / A53 Grade A

Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2

Q345 = S355JR / A500 Grade B Grade C

ERW / HFW

LSAW / DSAW

SSAW / HSAW

RHS

SHS

1/8 - 20 inch

12 - 56 inch

8 - 126 inch

40 x 20 mm

15 x 15 mm

(10.3-508 mm)

(323.8-1,420 mm)

(219.1-3,200 mm)

-1,000 x 800 mm

-1,000× 1,000 mm

Wall Thickness

0.4 - 16 mm

6.0 - 40 mm

6.0 - 26 mm

1.0 - 30 mm

0.6 - 30 mm

Length

5.8~12.0 m or as customized

Surface Treatment

Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)

Inspection

With Chemical Composition and Mechanical Properties Analysis;

Dimensional and Visual Inspection, also with Nondestructive Inspection.