ASTM A106 Gr.B Pipes

ASTM A106 pipe (also covered in ASME specifications as S/A 106) is the standard specification for seamless carbon steel pipe for high-temperature service. Most common uses are in refineries and plants when gasses or fluids are transported at high temperatures and pressures.

ASTM A106 Gr.B Pipes

ASTM A106 / A106M - 11 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

Carbon Steel Pipe Features Specifications
O.D.(mm)　 Wall Thickness Unit(mm)
2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
Φ25-Φ28 ● ● ● ● ● ●
Φ32 ● ● ● ● ● ●
Φ34-Φ36 ● ● ● ● ● ●
Φ38 ● ● ● ● ● ●
Φ40 ● ● ● ● ●
Φ42 ● ● ● ● ●
Φ45 ● ● ● ● ● ●
Φ48-Φ60 ● ● ● ● ● ● ●
Φ63.5 ● ● ● ● ● ● ●
Φ68-Φ73 ● ● ● ● ● ●
Φ76 ● ● ● ● ● ● ● ● ● ●
Φ80 ● ● ● ● ● ● ● ● ● ●
Φ83 ● ● ● ● ● ● ● ● ● ●
Φ89 ● ● ● ● ● ● ● ● ● ●
Φ95 ● ● ● ● ● ● ● ● ● ●
Φ102 ● ● ● ● ● ● ● ● ● ●
Φ108 ● ● ● ● ● ● ● ● ● ●
Φ114 ● ● ● ● ● ● ● ● ●
Φ121 ● ● ● ● ● ● ● ● ●
Φ127 ● ● ● ● ● ● ● ● ●
Φ133 ● ● ● ● ● ● ● ● ●
Φ140 ● ● ● ● ● ● ● ●
Φ146 ● ● ● ● ● ● ● ●
Φ152 ● ● ● ● ● ● ● ●
Φ159 ● ● ● ● ● ● ● ●
Φ168 ● ● ● ● ● ● ● ●
Grade and Chemical Composition (%)
Grade C≤ Mn P≤ S≤ Si≥ Cr≤ Cu≤ Mo≤ Ni≤ V≤
A 0.25 0.27-0.93 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08
B 0.30 0.29-1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08
C 0.35 0.29-1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08
Mechanical Properties
Grade Rm Mpa Tensile Strength Yield Point (Mpa) Elongation Delivery Condition
A ≥330

 ≥205

 20 Annealed
B ≥415 ≥240 20 Annealed
C ≥485 ≥275 20 Annealed
Dimension Tolerances
Pipe Type Pipe Sizes Tolerances
Cold Drawn OD ≤48.3mm ±0.40mm
≥60.3mm ±1%mm
WT ±12.5%
Description
  1. Standards:ASTM A106 (ASME SA106)
  2. Products mainly used: ASTM A106 pipes for transportation
  3. The main products of steel / steel grade: Gr.A; Gr.B; Gr.C.
  4. Specifications: diameter: 10.3 to 114.3 mm thickness: 0.8 to 12 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe.

Seamless pipeSpecification, standard and identification

Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Seamless pipes dominates 65% of market share in Chinese boiler industry.