API 5L Grade B External Anti-Corrosion Hot Rolled 4INCH SCH40 Carbon Steel Seamless pipe
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Key Specifications / Features
Model no.: HX- Equal Tee-6 Hits: 13
China manufacturer of API 5L Grade B External Anti-Corrosion Hot Rolled 4INCH SCH40 Carbon Steel Seamless pipe
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Detail Information
Standard: API 5L-2009
Steel Grades: Gr.A Gr. B X42 X46 X52 X56 X60 X65 X70
Size Range: OD:1/2” TO 36”. WT: 3mm To 45mm
Coating Thickness: 2mm- 5mm
Manufacturing Process : Hot Rolled / ERW /LSAW
Application:The external coating is mainly used for anti-corrosion protection for liquid pipes before burying.Such pipes has been widely used in rugged environment
Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.
Steel Grades: Gr.A Gr. B X42 X46 X52 X56 X60 X65 X70
Size Range: OD:1/2” TO 36”. WT: 3mm To 45mm
Coating Thickness: 2mm- 5mm
Manufacturing Process : Hot Rolled / ERW /LSAW
Application:The external coating is mainly used for anti-corrosion protection for liquid pipes before burying.Such pipes has been widely used in rugged environment
Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.
| Nominal Size of Pipe | Minimum Thickness of Normal(n)Coating ,in mm |
| Up to DN100 | 1.8 |
| Over DN100 up to DN250 | 2.0 |
| Over DN250 to Below DN500 | 2.2 |
| From DN500 to Below DN800 | 2.5 |
| From DN800 | 3.0 |
| The minimum coating thickness shall be 0.7mm greater (reinforced(v)type)where coatings will be subjected to particularly high mechanical stress. Along any 1m length of pipe,the coating thickness maybe up to 10% less than the minimum required,provded the thinner area does not cover more than 5cm2 |
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| Steel grade | Delivery condition |
| BNS(L245NS) | Normalizing rolled, normalizing formed, normalized, normalized and tempered |
| X42NS(L290NS) | Normalizing rolled, normalizing formed, normalized, normalized and tempered |
| X46NS(L320NS) | Normalizing rolled, normalizing formed, normalized, normalized and tempered |
| X52NS(L360NS) | Normalizing rolled, normalizing formed, normalized, normalized and tempered |
| BQS(L245QS) | Quenched and tempered |
| X42QS(L290QS) | Quenched and tempered |
| X46QS(L320QS) | Quenched and tempered |
| X52QS(L360QS) | Quenched and tempered |
| X56QS(L390QS) | Quenched and tempered |
| X60QS(L415QS) | Quenched and tempered |
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