Loading Port:Baoshan Port
Payment Terms:TT or LC
Min Order Qty:50MT m.t.
Supply Capability:5000 Tons Per Month m.t./month
Best price with high quality of API pipe for oil casing,API Specification 5CT / ISO 11960:2001.
1. Outside diameter of API pipe for oil casing,
For upset pipe, the following tolerances apply to the outside diameter of the pipe body immediately behind the upset for a distance of approximately 127 mm (5.0 in) for sizes Label 1: 5-1/2 and smaller, and a distance approximately equal to the outside diameter for sizes larger than Label 1: 5-1/2. Measurements shall be made with callipers or snap gauges.
Label 1 |
Tolerances behind meuor L0 |
£3-1/2 |
+ 2,38 mm to – 0,79 mm (+ 3/32 in to – 1/32 in) |
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>3-1/2 to £5 |
+ 2,78 mm to – 0,75% D(+ 7/64 in to – 0.75% D) |
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>5 to £8-5/8 |
+ 3,18 mm to – 0,75% D(+ 1/8 in to –0.75% D) |
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>8-5/8 |
+ 3,97 mm to – 0,75% D(+ 5/32 in to – 0.75% D) |
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For Label 1: 2-3/8 and larger external-upset tubing the following tolerances shall apply to the outside diameter at distance La(see Figure D.5) from the end of the pipe.
The measurements shall be made with snap gauges or calli pers. Changes in diameter between Laand Lbshall be smooth and gradual. Pipe body OD tolerances do not apply for a distance of Lbfrom the end of the pipe.
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Label 1 |
Tolerances |
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³2-3/8 to £3-1/2 |
+ 2,38 mm to – 0,79 mm (+ 3/32 in to – 1/32 in) |
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>3-1/2 to £4 |
+ 2,78 mm to – 0,79 mm (+ 7/64 in to – 1/32 in) |
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>4 |
+ 2,78 mm to – 0,75% D(+ 7/64 in to – 0.75% D) |
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2. Wall thickness of API pipe for oil casing |
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Tolerance – 12,5% |
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3. Mass of API pipe for oil casing |
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Amount |
Tolerance | |
Single lengths |
+ 6,5% to – 3,5% | |
Carload 18 144 kg (40 000 lb) or more |
– 1,75% | |
Carload less than 18 144 kg (40 000 lb) |
– 3,5% | |
Order items 18 144 kg (40 000 lb) or more |
– 1,75% | |
Order items less than 18 144 kg (40 000 lb) |
– 3,5% |
Packaging Detail: | packing: in bundles,black painting and end caps |
Delivery Detail: | Within 25 days after the receipt of deposit or At sight L/C |
Production line for producing .
Surface:black lacquered,varnish coating or galvanized.
Ends:Beveled or square cut,plastic capped,painted
Container loading with professional and experienced service..Application:seamless steel pipe for low and medium pressure boiler,high pressure boiler and ship-building ,liquid service,petroleum cracking,chemical fertilizer equipment,drawing-oil-equipment and structure purpose!
Welcome to order API pipe for oil casing from us .