ERW Water & Gas Pipes

Field of Application
Transmission of liquids, air and non-aggressive gas.

Production Standards:

Production norms	Galvanizing norms
DIN 2440, DIN 2441	DIN 2444
BS 1387 (Light, Medium, Heavy)	BS 729
ASTM A 53	ASTM A53
NFA 49145 (Light, Medium, Heavy)	NFA 49 700
ISO 65 (Light 1 - Light2, Medium, Heavy)	EN 10240
Other standards upon request.

Material Quality
  *  DIN 17100

  *  EN 10025 Fe 330, Fe 360

  *  ASTM A 53 Gr. A, Gr. B

  *  API 5 L Gr. A, Gr. B

  *  BS 3601 Gr. 430

  *  BS 4360 - 43C

  *  BS 6363 Gr. 43-36

Sizes

	Outside Diameter	Wall Thickness	Length
Pipe mills	21.3 mm - 323.9 mm	2.0 mm - 10.0 mm	OD 21.3 mm - 101.6 mm; max. 7.50 mm OD 114.3 mm - 323.9 mm; max. 13.00 mm
SRM	21.3 mm - 88.9 mm	2.0 mm - 5.5 mm	OD 21.3 mm - 88.9 mm; max. 12.80m

Finishing Operations

   *  Plain end (square cut or beveled)

    * Threaded and coupled

Tests Performed

  *  Leak tightness testing: Hydrostatic Test, Eddy Current Test

  *  Destructive Tests: Flattening, Bending

  *  Chemical Analysis

  *  Others as required by the standards

  *  Ultrasonic weld seam test for gas pipes

Mill Test Certificates

Issued upon request according to DIN 50049 (EN 10204) 2.2; 3.1 A/B/C

Surface Protection

  *  Outside protective coating (oil, varnish, epoxy)

  *  Hot dip galvanizing

  *  Polyethylene Coating

Technical Data:

  *  DIN 2440 & 2441

  *  BS 1387

  *  ISO 65 (Medium & Heavy) - (Light-I & Light-II)

  *  NF A 49-145

  *  ASTM A 53