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SHANDONG HUITONG STEEL CO.,LTD
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Model No.: ASTM A106 Gr.B
Brand: H-TONG
Standard: Bs, Gb, Astm, Jis, Din, Api
Material: St35-St52, A53-A369, Q195-Q345, 10#-45#, Stb35-Stb42
Section Shape: Round
Place Of Origin: China
Application: Structure Pipe, Fluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe
Production Process: Hot Rolled
Certification: Bsi, Ce, Api
Special Tube: Api Pipe
Whether Alloy: Non-Alloy
Category: Seamless Steel Pipe
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
Section Shape: Round
Origin: China
HS Code: 730419
Outer Diameter: 57 - 325 mm
Wall Thickness: 3 - 20 mm
Pipe End: Plain or Bevelled or Threaded
WT Tolerance: +/- 10%
Shipment: By Container or Bulk Vessel
Surface Treatment: Black Painting or According to Requirement
Length: 5.8-12m
Tolerance: ±1%
| Selling Units | : | Ton |
| Package Type | : | Anti-Water Paper Strapped with Three Steel Strips or Standard Export Seaworthy Package or According to Customer Requirements |
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Product Introduction
Hot rolled Seamless Steel Pipe deformation process can be summarized as three stages: extension, perforation and finishing. Hot rolled seamless steel pipes is relative to the cold-rolled, cold rolling is below the recrystallization temperature of the rolling and hot rolled is carried out at above the recrystallization temperature of the rolling. Hot rolled seamless Steel Pipe can damage the refinement of the crystal grains of the steel, cast microstructure of the steel ingot and eliminate the defects of the microstructure so that the the steel organization compacting, improves the mechanical properties. This improvement is reflected in the rolling direction so that the steel is no longer at a certain extent isotropic; pouring the formation of bubbles, cracks and osteoporosis, under high pressure and temperature can also be welded together.
Hot Rolled Steel Pipes (Seamless Tube) in different size, specifications, grades & thickness as per the client's requirements. The range offered by tubes is available as per the international & national standard and can be available from us at affordable prices. These pipes are used in various application industry like shipbuilding, power plants, oil and gas, automotive, sugar mills and distilleries, cement and construction industries etc.
ASTM A106 seamless pressure pipe (also known as ASME SA106 pipe) is commonly used in the construction of oil and gas refineries, power plants, petrochemical plants, boilers, and ships where the piping must transport fluids and gases that exhibit higher temperatures and pressure levels. ASTM A106 seamless pipes (also known as ASME SA106 pipes) are commonly used in the construction of oil and gas refineries, power plants, petrochemical plants, boilers and ships. These pipes must carry fluids that exhibit higher temperature and pressure levels And gas.ASTM A106 pipe includes three grades, A106 grade a, A106 grade b, and A106 grade c. Technical data Chemical Requirements of ASTM A106 grade a, b and c Grade Grade A Grade B Grade C Carbon max. % 0.25 0.30 0.35 Manganese % 0.27 to 0.93 0.29 to 1.06 0.29 to 1.06 Phosphorous, max. % 0.035 0.035 0.035 Sulfur, max. % 0.035 0.035 0.035 Silicon, min.% 0.10 0.10 0.10 Chrome, max. % 0.40 0.40 0.40 Copper, max. % 0.40 0.40 0.40 Molybdenum, max. % 0.15 0.15 0.15 Nickel, max. % 0.40 0.40 0.40 Vanadium, max.% 0.08 0.08 0.08 Note: Total of Cr, Cu, Mo, Ni, and V shall not exceed 1% Grade Grade A Grade B Grade C Tensile Strength, min., psi 48000 60000 70000 Yield Strength, min., psi 30000 35000 40000 Mechanical Properties of ASTM A106 Seamless Pipes ASTM A106 Steel Grade Tensile Test MPa or N/mm2 Min. Yield Point Min. Tensile Strength Elongation (%) Grade A 205 330 20 Grade B 240 415 20 Grade C 275 485 20 Equivalents of ASTM A106 Seamless Pipes Specification Mechanical Properties Grade A Grade B Grade C ASTM A53 Tensile strength, min, psi (MPa) 48000(330) 60000(415) Yield strength, min, psi (MPa) 30000(205) 35000(240) ASTM A106 Tensile strength, min, psi (MPa) 48000(330) 60000(415) 70000(485) Yield strength, min, psi (MPa) 30000(205) 35000(240) 40000(275) Manufacturing & Testing Requirements for A106 Seamless Pipes Heat Treatment Hot-finished pipe need not be heat treated. Cold-drawn pipe shall be heat treated after the final cold draw pass at a temperature of 1200 °F (650 °C) or higher. Process The steel shall be killed steel, with the primary melting process being open-hearth, basic-oxygen, or electric-furnace, possibly combined with separate degassing or refining. If secondary melting, using electroslag remelting or vacuum-arc remelting is subsequently employed, the heat shall be defined as all of the ingots remelted from a single primary heat. Steel cast in ingots or strand cast is permissible. When steels of different grades are sequentially strand cast, identifi- cation of the resultant transition material is required. The producer shall remove the transition material by any estab- lished procedure that positively separates the grades. Surface Treatment Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting Hydrostatic Testing Inspection test pressures produce a stress in the pipe wall equal to 60% of specified minimum yield strength (SMYS) at room temperature. Maximum Pressures are not to exceed 2500 psi for NPS3 and must stay under 2800 psi for the larger sizes. Pressure is maintained for not less than 5 seconds. Nondestructive Electric Test The full body of each pipe shall be tested with a nondestructive electric test in accordance with Practice E 213, E 309, or E 570. Mechanical Tests Specified Tensile Test — NPS 8 and larger — either transverse or longitudinal acceptable smaller than NPS 8 — weighed in lots. Larger sizes — by length. Flattening Test — NPS 2-1/2 and larger. Bending Test (Cold) — NPS 2 and under.
About ASTM A106 Gr B
ASTM A106 Gr.B seamless pipes (also known as ASME SA106 GR B pipes) is a cs Seamless Pipe nominal pipe for high temperature use.The chemical composition of A 106 Gr.B is as follows:
C≤0.25, Mn=0.27-0.93, P≤0.035, S≤0.035, Si≤0.1, Cr≤0.4, Cu≤0.4, Mechanical properties: ób≥415/MPa, ós≥240/MPa.
About ASTM A106 Gr C
ASTM A106 Gr.C seamless pipes (also known as ASME SA106 GR C pipes) is a carbon-manganese steel pipe for high-temperature large-diameter boilers and superheaters. Its chemical composition is simple and similar to 20G carbon steel, but its carbon and manganese content is higher, so its yield strength is about 12% higher than that of 20G, and its plasticity and toughness are not bad. The steel has a simple production process and good cold and hot workability. Using it to replace 20G headers (economizer, water wall, low-temperature superheater and reheater header) can reduce the wall thickness by about 10%, which can save material costs, reduce welding workload, and improve headers The stress difference at start-up.
Tensile requirement of ASTM A106 grade a, b and c.
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