DIN 17172:1978StE 290.7 TM, StE 320.7 TM Steel tubes for pipeline for transport of combustible liquids and gases
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Spiral weld pipes Dimensional standards EN 10220:2002 “Seamless and welded steel tubes - General tables of dimensions and masses per unit length” ISO 4200:1989 “Plain-end steel tubes, welded and seamless” CSN 42 5738:1979 “Spiral weld steel pipes” DIN 2458:1981 “Welded steel tubes” EN 10219-2:1997 “Cold formed welded structural hollow sections of non-alloy and fine grain steels” API Spec 5L:2004 “Specification for Line Pipe” GOST 8696:1974 “Electrically welded steel pipes with spiral seam” PN 79/H-74244:1979 “Welded steel pipes for transportation of media” Technical delivery regulations CSN 42 0144:1979 “Spiral weld steel” DIN 1615:1984 “Welded circular tubes of non-alloy steels without special quality requirements” DIN 1626:1984 “Welded circular tubes of non-alloy steels with special quality requirements” CSN EN 10208-1:2000 “Steel tubes for pipeline for combustible liquids” - part 1: Requirements according to class A CSN EN 10208-2:1999 “Steel tubes for pipeline for combustible liquids” - part 2: Requirements according to class B DIN 17120:1984 “Welded circular tubes of non-alloy steels for steel constructions” DIN 17172:1978 “Steel tubes for pipeline for transport of combustible liquids and gases” DIN 1628:1984 “Welded circular tubes of non-alloy steels with very high quality requirements” CSN EN 10217-1:2003/A1:2005 “Welded steel pipes for pressure purposes” CSN EN 10217-5:2005/A1:2005 “Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties” EN 10219-1:1997 “Cold formed welded structural hollow sections of non-alloy and fine grain steels” API Spec 5L:2004 “Specification for Line Pipe” GOST 8696:1974 “Electrically welded steel pipes with spiral seam” PN 79/H-74244:1979 “Welded steel pipes for transportation of media” Production Information :
Packaging & Delivery Packaging Details 1) In bundle with strip;
.Coating Standard: ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems DIN 30670 Polyethylene coatings of steel pipes and fittings
.End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled
.Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,? Fusion Bond Epoxy, 3-layers PE)
.Application: It products are widely applied to water, sewage, gas, air,heating steam and low pressure liquid transportation pipes, wire casing, scaffolding , fire use for metal structural.
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