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ERW
Line Pipes & Casing
Field
of Application
* On - shore & off - shore pipelines for transmission of oil,
natural
* Structural elements
* Water and oil well casing
Production
Standards & Steel Qualities
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ASTM
A 53
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Gr
A, B, C
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API
5L
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Gr
A, B, X 42, X 46, X 52, X 60
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DIN
1626/2458 - DIN 2470 Part I
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St
37-0, St 44-0, St 52-0
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Dın
1628
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St
37-4
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DIN
17172 - Dın 2470 Part II
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St
E 210-7, St E 240-7, St E 290-7, St E 320-7, St E 360-7
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BS
3601
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Gr
430, Gr 360
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GOST
10705/10704
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GOST
1050-08SP, 10SP, 20SP
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GOST
19282 09G2S
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EN
10208
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UNI
8488
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API
5CT (Plain End, UF)
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H40,
J55
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Material
Quality
* API 5 L Gr A, Gr B
* API 5L X42, X56,X46, X52, X60
* DIN 17100 St 44-2
* EN 10025 Fe 430B, Fe 430C
Heat
Treatment
* API 5 L Gr A, Gr B
* API 5L X42, X56,X46, X52, X60
Finishing
Operations
Plain
End - Square cut or beveled.
Surface
Conditions
* Black self colored / uncoated
* Mill protective coating (oil, black varnish) on outside surface
* Epoxy lining and coating (AWWA C210)
* 3 Layer PE coating (DIN 30670, UNI 9099)
Tests
Performed
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Visual
and Dimensional Inspection
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Mechanical
Tests:
* Tensile Test
* Flattening Test
* Expanding Test
* Bend Test
* Weld Ductility Test
* Fracture Toughness Test
* PE Peeling Test
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Metallographic
Examination
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Chemical
Analysis
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Hydrostatic
Test
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Non
Destructive Inspection:
* Eddy Current / Magnetic Flux Leakage
* Ultrasonic (Weld Check)
Mill
Test Certificates
Acc.
to DIN 50049 (EN 10204) 2.2, 3.1 A/B/C
Quality
Certificates
Quality
Assurance System Certificate
* ISO 9001
* API Spec Q1
Production Approval Certificates
* API 5L, API 5CT
* DIN 1615, 1626, 1628, 17172, 17177
* Germanischer Lloyd DIN 1626 St 37-0
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