seamless oil steel pipe
| Place of Origin: | China (Mainland) |
|---|
Product Description
Standard: API 5CT
Material: J55,K55,N80,P110,C95,Q125 etc
Aplication: It is used in the oil field
Size 2 3/8'' to 20''
wall thickness :4mm to 23mm
Connection Weld & Thread
Thread: BTC/LTC/STC/NUE/EUE
length: 3m to 14m
ends finish: plain, beveled
surface: bare, black varnish, oil finsh, ingle layer PBE, Double Layer PBE, 2PE,3PE, 2PP, 3PP, Epoxy coal tar pitch(1 layer cloth+3 layer oil and 2 layer cloth +4 layer oil), cement mortar or as per the customer’s request.
technique: cold drawn or hot rolled
Tolerance on Dimension :
Variety | Diameter | Thickness | |
Cold-drawn tube | Diameter (mm) | Tolerance on Dimension (mm) | Tolerance on Dimension (mm) |
< 114.3 | ±0.79 | - 12.5 % | |
Chemical Composition :
Grade | Chemical Composition(%) (%) | |||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | |
J55K55(37Mn5) | 0.34 ~0.39 | 0.20 ~ 0.35 | 1.25 ~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 |
| - |
N80(36 Mn2V) | 0.34 ~0.38 | 0.20 ~ 0.35 | 1.45 ~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | - | - |
| 0.11~0.16 |
Mechanical Properties :
Standard | Grade | Tensile Strength ( MPa ) | Yield Strength ( MPa ) | Elongation (%) | Hardness |
API SPEC 5CT | J55 | ≥517 | 379 ~ 552 | 0.5 |
|
K55 | ≥517 | ≥655 | 0.5 |
| |
N80 | ≥689 | 552 ~ 758 | 0.5 |
| |
L80(13Cr) | ≥655 | 552 ~ 655 | 0.5 | ≤241HB | |
P110 | ≥862 | 758 ~ 965 | 0.6 |
|
Product Categories : Seamless Steel Pipe > Heat Exchanger
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