ASTM A106 Grade B

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.

Fluid Tubes

Our fluid seamless steel tubes are widely used for fluid transport, water conveying (sewage water discharge, water divert project), oil and natural gas long distance transmission as well as fluids.

ASTM A106 Grade B is a mild steel pipe material commonly used in industrial plants, power plants, refineries and chemical plants.

Which is typically seamless and comes in three grades A, B, and C with grade B being the most commonly used grade.

ASTM A106 (ASME SA106) Chemical Composition(%)
 C  Si  Mn  P/S  Cr  Mo  Ni  Cu  V
 max  min  req  max  max  max  max  max  max
 0.30  0.10  0.29-1.06  0.035  0.40  0.15  0.40  0.40  0.08
ASTM A106 (ASME SA106) Mechanical Properties
 Tensile Strength  Yield Strength  Elongation
 min(MPa)  min(MPa)  min(%)
 415  240  30/16.5
Dimension Tolerances of Cold drwan tube
Pipe Sizes Tolerances
OD ≤48.3mm ±0.40mm
≥60.3mm ±1%mm
WT ±12.5%
Sunny Steel Supply stocks a full range of A106 seamless carbon steel pipe.
  1. standards: ASTM A106 (ASME SA106)
  2. products mainly used: apply to bending, curling and similar forming process.
  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.
  5. Chemical composition and mechanical properties
  6. JIS Number and Corrensponding Foreign Standards

Seamless pipe Specification, 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.