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SEAMLESS STEEL LINE PIPES:
Line pipes are used to convey Liquid products from one point to the other. The Sizes, Types and Strength of the Pipes being used are determined by the product to be conveyed. (for example, Gas transportation require High
Pressure Line Pipes.
Process Flow Chart:
- Hot rolling pipe process flow chart
2) Cold-drawn pipe process flow chart
Seamless Steel Pipe
Product Designation |
Steel Grade |
Standard |
Usage |
Seamless steel pipe for high pressure boiler |
20G (ST45.8)
15CrMoG
12Cr1MoVG |
ASTM A335-A106
Din17175
GB5310 |
For high pressure boiler |
Seamless carbon steel pipe for high-temperature service |
A
B |
ASME SA-106 |
For high-pressure boilers equipments etc. |
Carbon seamless steel pipe for ordinary purposes |
A
B |
ASTM A53 |
For ordinary purposes |
Line pipe |
A. B. X42. X46. X52 |
API Spec 5L |
For pipe suitable for conveying gas, water, and oil in oil and natural gas industries |
Seamless steel casing and tubing |
J55, N80 |
API Spec 5CT |
For petroleum recovering |
Seamless steel pipe for structural purposes |
10, 20, 35, 45, Q345(16Mn) low alloy steel etc |
GB/T 8162 (JIS G 3444-) |
For general structure and mechanical structure |
Seamless steel pipe for liquid service |
10, 20, Q345 etc |
GB/T 8163 (ISO 559) |
For liquid service |
Seamless steel pipe for low and medium pressure |
10, 20, Q345 etc |
GB 3087
(ISO 9329-1) |
For various structural low and medium pressure boiler |
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