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ASTM A106 Grade B Seamless Carbon Steel Pipe
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ASTM A106 Grade A B C Seamless Carbon Steel Pipe
ASTM A106 seamless steel pipe belonging to American Standard, A106 including A106 Grade A, A106 Grade B,A106 Grade C. ASTM A106 seamless steel pipe belong to ordinary carbon steel series, is one of the commonly used materials.
ASTM A106 Seamless Pressure Pipe (also known as ASME SA106 pipe) covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations.
ASTM A106 Grade B Seamless Carbon Steel Pipe Quick Details
Company Name：Beite steel pipe
Country/Region：China
Material：Grade B
FOB Price: US $500-1,000 / Ton | 1 Ton/Tons (Min. Order)
Port of Shipment：Tianjin,China
Payment：L/C or T/T
Delivery: 7-15 days after payment
Type of End-Finish：PE
Technique: Cold Drawn
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting. Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles.
ASTM A106 Grade B Seamless Carbon Steel Pipe Dimensional Range & Specification
Outside Diameter ：42.2mm——273mm
Wall thickness：3mm——15mm
Length：6000mm、12000m or specified length as required.
Manufacture:
(Hot-finished or cold-drawn)
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.
For pipe NPS 11⁄2 [DN 40] and under, it shall be permissible to furnish hot finished or cold drawn.
Unless otherwise specified, pipe NPS 2 [DN 50] and over shall be furnished hot finished. When agreed upon between the manufacturer and the purchaser, it is permissible to furnish cold-drawn pipe.
ASTM A106 Grade B Carbon Steel Pipe Chemical Composition(%)
| Material | Chemical Composition(%) | |||||||||
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V | |
| Grade B | ≤0.30 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
ASTM A106 Grade B Carbon Steel Pipe Mechanical Properties
| Material | Mechanical Properties | |||||||||
| Tensile Strength(MPa) | Yield Strength(MPa) | |||||||||
| Grade B | 415 | 240 | ||||||||
Dimension Tolerances of Cold drwan pipe
| Pipe Sizes | Tolerances | |||||||||
| OD | ≤48.3mm | ±0.40mm | ||||||||
| ≥60.3mm | ±1%mm | |||||||||
| WT | ±12.5% | |||||||||
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.
ASTM A106 Grade B Carbon Steel Pipe Application
ASTM A106 Grade B 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.
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