API Drill Pipe, Precision Tube,Big OD &WT seamless tubes and pipes, OCTG -Seamless Steel Tubing and Casing, Mechanical Tubing, Big OD &WT high pressure boiler pipe, Tube For Hydraulic Cylinder, Tubes for High Pressure Chemical, Geological Drilling Tube,Acid Resistance Line Pipe, Sea bed line pipe, High torque casing, Tube for auto semi-shaft casing – Supplying Offshore Line Pipes for the Oil and Gas Industry
Reliable Pipes & Tubes is the exclusive agent of Hengyang Valin Steel Tube Co., Ltd., the second largest seamless steel tube & pipe manufacturer in China. The close business relationship with Hengyang Valin Steel Tube Co., Ltd extends for over 23 years, focusing on marketing and promoting the sale of the distinguished Hengyang Valin Steel Tube’s products and services covering their entire offering of Oil Country Tubular Goods (OCTG) and Line Pipe.
Quality is the most fundamental element of our OCTG and Line Pipe business and customer satisfaction is our main goal.

HengYang Valin Line Pipes, API 5L Line Pipes, API 5L Gr. B X65 Pipe / Grade A, B, Carbon Steel Seamless Pipes, Carbon Steel Welded Pipes, API 5L Line Pipes supplied to Oil & Gas Industry
1、Size Range and Application
Size: OD:φ21.3mm~φ609.6mm (1/2’’~24’’)
WT: 2.77mm~59.50mm(Sch20-SchXXS)
Variety: oil and gas transportation and offshore pipe line
2、Variety and Grade
Line Pipe Variety Table
API 5L Line Pipe | Low-temperature Line Pipe | |||
---|---|---|---|---|
PSL1 |
PSL2 |
ASTM A333/A333M |
||
General condition of service |
Offshore service |
Sour service |
||
A/L210 |
|
|
|
Gr.1 |
B/L245 |
BR/L245R |
BNO/L245NO |
BNS/L245NS |
Gr.6 |
X42/L290 |
X42R/L290R |
X42NO/L290NO |
X42NS/L290NS |
|
X46/L320 |
X46R/L320R |
X46NO/L320NO |
X46NS/L320NS |
|
X52/L360 |
X52N/L360N |
X52NO/L360NO |
X52NS/L360NS |
|
X56/L390 |
X56N/L390N |
X56NO/L390NO |
X56NS/L390NS |
|
X60/L415 |
X60N/L415N |
X60QO/L415QO |
X60QS/L415QS |
|
X65/L450 |
X65Q/L450Q |
X65QO/L450QO |
X65QS/L450QS |
Gr.10 |
X70/L485 |
X70Q/L485Q |
X70QO/L485QO |
X70QS/L485QS |
|
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Grade and Size Range of Treading Line Pipe
Grade |
PSL |
OD mm |
WT mm |
Standards |
---|---|---|---|---|
L175P/A25P |
PSL1 |
21.3~508.0 (1/2’’-20’’) |
2.77~ 50.01 (Sch 40-160) |
API 5B 15th API 5L 44th Or technical specification |
L245/B X42/L290 X52/L360 X56/L390 X60/L415 X65/L450 X70/L485 |
Line Pipe |
Line Pipe |
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