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Casing Pipe China Professional Manufacturer
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Casing&Tube

Category : Oil Tube & Casing

Tags :Casing Pipe China Professional Manufacturer

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Joho Steel Co.,Ltd is the subsidiary companies specialized in import and export steel pipes.Our products are exported to over 40 countries and districts,include Middle East,South and East Asia,Africa,South American etc.

Phone : +86-0731-8426 1658

Email : sales@johosteelpipe.com

Description

Casing Pipe&Oil Tube 
Seamless casing 
ERW casing
Casing nipple
Casing coupling

STANDARD&GRADE:

API 5CT J55/K55/N80/L80-1/L80-9Cr/L80-13Cr/P110/Q125/K55 D10/L80 D10


Sizes:
Diameter :from 4 1/2 inch  to 20 inch  (48.26mm - 508mm)
Nominal Weight: from 9.5 lb/ft  to 169 lb/ft     from 9.5 ppf  to 169 ppf
Length: R1, R2, R3

Connection: 
BTC, STC, LTC, NUE, EUE

Specifications

Standard Grade Chemical compositions(%)
API SPEC 5CT J55 C Si Mn P S Cr Ni Cu Mo V
K55 0.34~0.39 0.20~0.35 1.25~1.50 ≤0.020 ≤0.015 ≤0.15 ≤0.20 ≤0.20 / /
N80 0.34~0.38 0.20~0.35 1.45~1.70 ≤0.020 ≤0.015 ≤0.15 / / / 0.11~0.16
L80 0.15~0.22 ≤1.00 0.25~1.00 ≤0.020 ≤0.010 12.0~14.0 ≤0.20 ≤0.20 / /
P110 0.26~0.395 0.17~0.37 0.40~0.70 ≤0.020 ≤0.010 0.80~1.10 ≤0.20 ≤0.20 0.15~0.25 ≤0.08


Grade Type Total elongation under load (%) Yield strength (min) Yield strength (max) Tensile strength min Mpa Hardness Max (HRC) Hardness Max(HBW)
J55 - 0.5 379 552 517 - -
K55 - 0.5 379 552 655 - -
N80 1 0.5 552 758 689 - -
N80 Q 0.5 552 758 689 - -
L80 1 0.5 552 655 655 23 241
L80 9Cr 0.5 552 655 655 23 241
L80 13Cr 0.5 552 655 655 23 241
C90 - 0.5 621 724 689 25.4 255
C95 - 0.5 655 758 724 - -
T95 - 0.5 655 758 724 25.4 255
P110 - 0.6 758 965 862 - -
Q125 All 0.65 862 1034 931 - -


Drill Tube&Pipe

No. SIZE GRADE UPSETING STANDARD
OD/MM WT/MM
1 60.32(2-3/8") 7.11 E, X, G, S EU API 5DP
2 73.02(2-7/8") 9.19
3 88.9(2-1/2") 6.45 E
9.35 E, X, G, S
11.4 E
E, X, G, S
4 101.6(4") 8.37 E, X, G, S EU,IU
5 114.3(4-1/2") 6.88 E
8.56 E, X, G, S EU,IEU
10.92
6 127.00(5") 9.19 E, X, G, S IEU
12.70 E, X, G, S IEU
7 139.70(5-1/2") 9.17 E, X, G, S IEU
10.54 E, X, G, S IEU
8 127.00(7") 8.38 E, X, G, S IEU
9.19 E, X, G, S IEU

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