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ERW – longitudinally welded steel pipes and fittings

Application:

  • Water and gas pipes
  • Natural gas and oil pipes
  • Boiler and heat exchanger pipes
  • Precision tubes for automobile industry, furniture
  • Hollow sections – square, rectangular, oval

Dimensions:
Outside diameter: 21,3 – 406,4 mm
Wall thickness: 0,7 – 12,5 mm
Lengths: 21,3-101,6 mm: max. 7,50 m
114,3 – 323,9 mm max. 13,0 m

uzdužno zavarenaProduction standards and materials:
DIN 1626/2458- DIN 2470-I (St 37-0, St 44-0, St 52-0), DIN 1628 (St 37-4),DIN 17172-DIN 2470-2 (St E 210-7, St E 240-7, St E 290-7, St E 320-7, St E 360-7), DIN 2440, DIN 2441, DIN 2444, DIN 17177, DIN 2393, DIN 2394, DIN 2395, DIN 1615, DIN 17120, DIN 59411, API 5L (Gr A, B, X42, X46, X52, X60), API 5CT (H40, J55)
BS 1387 (L,M,H), BS 729, BS 3601 (Gr 430, Gr 360), BS 3059-I-II, BS 6323-5-6
ASTM A 53 (Gr A, B,C), ASTM A178, ASTM A500, ASTM A513
UNI 8863 (L,M,H), UNI 5745, UNI 8488, UNI 7947, UNI 7946
ISO 65 (L1,2,M,H), EN 10240, EN 10208
NFA 49145, NFA 49700, NFA 49-645, NFA 49-341
SI 103, SI 530, GOST, Other standards upon request

Material quality:
DIN 17100 (St 37-2, DIN 17177, DIN 17162
EN 10025 (Fe 330, Fe 360), EN, 10219
ASTM A 53, ASTM A178, ASTM A500, ASTM A 526/527
API 5L
BS 3601 (Gr 430), BS 4360 (Gr 43C), BS 6363 (Gr 43-36), BS 3059, BS 6363, BS 1139,
BS 4360, NF A 49-643

Surface protection:

Outside coating:

PE (LDPE or MDPE ACS III)
PP (ACS III)
PE with additional cement mortar layer (FCM-N)
Hot dip galvanized, oil, epoxy, tar etc.

  • Inner layer:
  • Cement mortar suitable for potable water
  • Cement mortar combined with epoxy, suitable for potable water
  • Cement mortar for waste water
  • Epoxy
  • Special layers: bitumen, varnish, or other customer specified

Pipe ends:
Plain end (square cut or beveled)
Threaded and coupled

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

Pipe fittings::
All ERW pipe fittings (elbows, reducers, tees) with equal surface protection like pipes.

Quality certificates:

ISO 9001, API Q1, API5L, API 5CT
TÜV 60-325/93 TB
TÜV RADM-WO/TRD 100
DIN 1615, 1626, 1628, 17172, 17177
Germanisher Lloyd DIN 1626 St 37-0