Galvanized pipe (threaded & socket)

(threaded & socketed)galvanized pipe/tubing

We are a steel pipe manufacturer. Our factory is specialized in producing Threaded galvanized pipe/tubing . We supply steel pipes with very competitive price and commercial

quality to overseas' customers. Most of clients are satisfied with product quality.  

1.TOLERANCE

:a) On Specified OD + 0.5mm (Ovality 0.5mm)

:b) The Inside Diameter of ubes shall allow insertion of a guage of 37.7mm dia for  a minimum length of 200mm.

:c) On Wall thickness +/-0.2mm

:d) The mass deviation on a single tube shall not exceed -7.5% of the specified mass.

2. ENDS

: Cut cleanly and nominally square with the axis of the tube and free from excessive burrs, threaded,NPT,BS,NPS ,GB ,DIN ,JIS

3. PROPERTIES

:a) Chemical (Maximum) C - 0.20%, SI - 0.05%, MN - 1.40%, P - 0.04%, S - 0.045%, AL - Min. 0.02%.

:b) Mechanical = UTS - 340 to 520 N/mm2, YS - 235 N/mm2 (minimum) & %Elongation on 5.65 S0 - 24%  (minimum).

4. FLATTENING TEST WELD AT 90 DEGREES (COLD)

a) For weld : Distance between the platens, measured under load is not greater than 75%  of the OD of tube.

b) For Material :Distance Between the platens, measured under load is not greater than 60%  of the OD of tube.

5. STRAIGHTNESS

: 1 in 500 (In 1 meter it should not exceed 3mm).

6. ZINC COATING

: Minimum local coating thickness on the outside surface 40 microns.

(GALVANIZING)

7. MARKING

: a) We can emboss mill sign "EN 39 UTP 3 or 4." ''bs1387-85'' ''ASTM A53'' ,''DIN2440'' ,''BS4568'' ''ISO65'' ''GB/T091-2008'' online at every one meter interval over the length of pipe.

b) We can do online stencilling as per customer needs.

8. PACKING

: Hexagonal type.

9. MILL TEST CERTIFICATE

:We can issue a MTC, certifying that the tubes supplied comply with this Standard.

10.Factory audit:  yes, bybv

11.Third party inspection: yes , sgs, bv, intertek , etc.

 TIANJIN BRAND HOT DIP GALVANIZED WELDED STEEL PIPE 2'' ,GB/T3091-2008:

    Hot Dipped Galvanized Steel Pipe Proceed Flow Chart

Both ends NPT 60degree angle  threaded ,sockets ,caps.

Standard export package: plastic proof sealed package, 8steel slats tighten, two ends with two tons bearred nylon lifting sling  .

If you have any interest  in our PIPES,please don't hesitate to contact us at your convenience time,We are looking forward to receiving your early reply.Thanks very much. QQ:526431799,SKYPE: hokiersong ,trademanger: tjtaiyixin, mobile:86-13682134391