Product Details

ISO 11960:2014 specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). Beilai produce ISO11960 Tubing And Casing.

 

Applicable standards and technical requirements

API SPEC 5CT   Specification for casing and tubing

ISO 11960  Petroleum and natural gas industries-steel pipe for use as casing or tubing for wells

GB/T 19830  Petroleum and natural gas industries-tubing and casing

 

 

Mechanical Property

Grade Type Total Elongation under load Yield strength/Mpa Tensile strength/Mpa Hardness Max Specified wall thickness mm Aloow hardness changes(b)HRC
Min Max Min HRC HBW
H40 – 0.5 276 552 414 – – – –
J55 – 0.5 379 552 655 – – – –
K55 – 0.5 379 552 655 – – – –
N80 1 0.5 552 758 689 – – – –
Q 0.5 – – – –
R95 – 0.5 655 758 724 – – – –
M65 – 0.5 448 586 586 22 235 – –
L80 1 0.5 621 724 689 23 241 – –
9Cr 23 241 – –
13Cr 23 241 – –
C90 1 .05 621 724 689 25.4 255 ≤12.70 3.0
12.71~19.04 4.0
19.05~25.39 5.0
≥25.40 6.0
T95 1 .05 655 758 724 25.4 255 ≤12.70 3.0
12.71~19.04 4.0
19.05~25.39 5.0
≥25.40 6.0
C110 – 0.7 758 828 793 30 289 ≤12.70 3.0
12.71~19.04 4.0
19.05~25.39 5.0
≥25.40 6.0
P110 – 0.6 758 965 862 – – – –

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