Steel Knowledge
API 5L Grade B: 5 Things You May Still Don’t Know
API 5L GR.B: 6 Things You May Still Don't Know: CVN Impact Test for GR.B PSL 2 Pipe; DWT test for PSL2 GR.B PIPE; GRADE BM, GRADE BQ, GRADE BN, GRADE BR; Heat Treatment for GR.B PSL 2; Special Grade BR in API 5L PSL2. read more →
ASTM A252 Specification: The Complete 16 Items Checklist
ASTM A252 is Standard Specification for Welded and Seamless Steel Pipe Piles. ASTM A252 specification covers nominal thickness of the wall steel pipe piles of cylindrical shape and applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in-place concrete piles. read more →
15 Difference: Pipe and Tube
At the first sight, pipe and tube looks the same. There are many similarity for pipes and tubes: all made of metal, with same shape, and all hollow... But there are many difference between them. Let's see the 15 difference between pipe and tube: read more →
What is Annealing in Steel Pipe Industry
The heat treatment in steel pipe industry is important for manufacturing better quality steel pipe, no matter welded steel pipes or seamless steel pipes. read more →
What is Heat Treatment in Steel Pipe Industry ?
Heat treatment is the process of heating and cooling metals to achieve desired physical and mechanical properties through modification of their crystalline structure. The temperature, length of time, and rate of cooling after heat treatment will all impact properties dramatically. The most common reasons to heat treat include increasing strength or hardness, increasing toughness, improving ductility and maximizing corrosion resistance. read more →
What is Steel Pipe Schedule
What is Steel Pipe Schedule ? Carbon steel pipe schedule is specified in ANSI or ISO standard. The most common pipe schedule chart is in ASME B36.10M spec. read more →
ERW Welded Pipe vs Seamless Steel Pipe, what’s the difference?
ERW Welded Pipe is formed by rolling plate and welding the seam by high frequency welder. The weld flash can be removed from the outside or inside surfaces using a scarfing blade. read more →
What is HFW Pipe ?
What is HFW Pipe ? HFW Pipe means high frequency welded pipe. To understand better HFW pipe, you should first know what is EW pipe. read more →
What is MTC for Steel ?
What is MTC for Steel? Definition, In steel industry, MTC means mill's test certificate. Some mills also call it as MTR, that is, mill's test report. read more →