seamless steel pipe manufacturing process

seamless steel pipe Manufacturing Process

Type: seamless steel pipe manufacturing process

Standard: API/ASTM

Grade: Q235B, Q355B, Q355D

Size: 1/2" to 60"

Thickness: 3.0mm to 60mm

Length: 6m, 12m or customized

Main Process Flow:

Hot Metal - Steel Making - Billet Casting - Billet Heated in Rotary Furnace - Cone type Piercing - Mandrel Mill Rolling - Walking Beam Reheating Furnace - Stretch Reducing - Cooling - Fixed Length Cutting - Straightening - NDT - Water Quenching - Hydro Testing - Threading & Coupling - Packing

Seamless steel pipe is hollow section, a large number of used for conveying fluid pipe, such as oil, natural gas, coal gas, water and some solid materials, such as pipelines. Seamless steel pipe uses a wide range. Seamless steel pipe is made by ordinary carbon structural steel and low alloy steel or alloy structural steel rolling, most production, mainly used for conveying fluid pipe or structural components. Special use of seamless steel tube boiler seamless steel pipe, seamless steel pipe used in geological or in oil, etc.