JIS G3461 STB 510 is a Japanese Industrial Standard (JIS) specification for seamless carbon steel tubes used in boiler and heat exchanger applications.

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ASTM A672 is the standard for electrofusion welded (EFW) pipe for carbon steel. This type of steel pipe is primarily used in high temperature and high pressure applications such as the oil and gas industry.

API 5L Grade B pipe is a common grade pipe for oil and gas pipeline transmissions. It also called L245 Pipe refer ISO 3183, named by minimum yield strength 245 Mpa (35,500 Psi).

Stainless Steel 309: It contains a higher chromium and nickel content compared to 304 stainless steel. The chemical composition typically includes around 23% chromium and 13% nickel.

ASTM A135, the same as ASME SA-135, is the standard specification for electric resistance welded steel pipe.