Testing types and items of seamless steel pipes:
1. Types of seamless steel pipe testing
Seamless steel pipe hot-rolled seamless steel pipe inspection:
Including the detection of general steel pipes, low and medium pressure boiler steel pipes,
high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes and other hot-rolled seamless steel pipes.
Seamless steel pipe cold-rolled seamless steel pipe inspection:
Including seamless pipes for general structures, mechanical structures, seamless pipes for low and medium pressure boilers, seamless pipes for high pressure boilers, seamless pipes for conveying fluids, cold drawn or cold rolled precision seamless pipes, steel pipes for geological drilling, petroleum Testing of cold-rolled seamless steel pipes for drilling steel pipes, seamless pipes for precise inner diameter of hydraulic cylinders, seamless pipes for chemical fertilizers, marine pipes, oil cracking pipes, and various alloy pipes.
Seamless steel pipe round seamless steel pipe inspection:
Testing of petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.
Seamless steel pipe
stainless steel seamless steel pipe detection:
Hot rolled stainless steel pipe, hot extruded stainless steel pipe and cold drawn (rolled) stainless steel pipe, semi-ferritic semi-martensitic stainless steel pipe, martensitic stainless steel pipe, austenitic stainless steel pipe, austenitic-ferritic iron Department of stainless steel pipe and so on.
Seamless steel pipe jacking inspection:
Testing of pipe jacking such as air pressure balance pipe jacking, mud-water balance pipe jacking and earth pressure balance pipe jacking.
Seamless steel pipe special-shaped seamless steel pipe detection:
Including the detection of square, oval, triangular, hexagonal, melon-shaped, star-shaped, finned tubes and other seamless steel tubes.
Seamless steel pipe thick-walled seamless steel pipe inspection:
Hot-rolled thick-walled seamless steel pipe, cold-rolled thick-walled seamless steel pipe, cold-drawn thick-walled seamless steel pipe, extruded thick-walled seamless steel pipe, stainless steel seamless steel pipe for pipe jacking structure, etc.
Seamless steel pipe thin-walled seamless steel pipe detection:
Including general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes.
2. Seamless steel pipe inspection items
Chemical performance test:
High temperature resistance, low temperature resistance, acid resistance, alkali resistance, oxidation resistance, etc.
Process performance test:
Filament drawing, fracture inspection, repeated bending, reverse bending, reverse flattening, two-way torsion, hydraulic test, flaring test, bending, crimping, flattening, ring expansion, ring stretching, microstructure, cup Burst test, metallographic analysis, etc.
Non-destructive testing (NDT):
X-ray non-destructive testing, electromagnetic ultrasonic, ultrasonic, eddy current testing, magnetic flux leakage testing, penetration testing, magnetic particle testing.
Mechanical property test:
Tensile strength, impact test, yield point, elongation after fracture, reduction in area, hardness indicators (Rockwell hardness, Brinell hardness, Vickers hardness, Leeb hardness, Webster hardness).
Other project inspections:
Metallographic structure, inclusions, decarburization layer, microstructure content determination, corrosion cause analysis, grain size and microscopic rating, low magnification structure, intergranular corrosion, superalloy microstructure, high temperature metallographic structure, etc.
Analysis Project:
Comparative analysis, material identification, failure analysis, composition analysis, chemical analysis, fracture analysis, corrosion analysis, etc.
Elemental analysis:
Accurate detection and analysis of metals, alloys and their products, manganese, oxygen, nitrogen, carbon, sulfur, silicon, iron, aluminum, phosphorus, chromium, vanadium, titanium, copper, cobalt, nickel, molybdenum, cerium, lanthanum, calcium, The composition and content of metal elements such as magnesium, zinc, tin, antimony, and arsenic.
