ASTM A106 carbon steel seamless pipes | Hebei Haihao High Pressure Flange & Pipe Fitting Group Co.

ASTM A106 carbon steel seamless pipes

ASTM A106(also known as ASME SA 106) is the standard specification for seamless carbon steel pipe for high-temperature service.ASTM A106 seamless pipes are one of the most popular carbon steel pipe products,which common are used in the construction of oil and gas refineries,power plants,petrochemical plants,boilers,and ships when gasses or fluids are transported at high temperatures and pressures.Pipe ordered under ASTM A106/ASME SA106 specification shall be suitable for bending,flanging,welding and similar forming operations.

Seamless pipes A106 Gr B

Seamless pipes A106 Gr B

Specification of ASTM A106 carbon steel seamless pipes:

Haihao Group is a world leader in the supply of ASTM A106/ASME SA 106 carbon steel seamless pipe and stocks a full range of grades B/C in a size rage of NPS 1/8″ to NPS 48″,with nominal wall thickness as given in ANSI B36.10.A full range of ASTM A106 seamless pipe stock is available in Schedules 10 through 160,STD,XS,XXS.Unscheduled wall thicknesses available up to 4 inches.

Grade ASTM A106 Grade A/B/C
Size 1/8″-48″
Wall thickness Schedules 10 through 160,STD,XS,XXS
Length Double random,single random,custom size available,up to 12 maters
End Plain end,beveled end,threaded end
Surface finish Varnish coating,black rust-proof oil coating,bitumen coating,transparent oil,fusion bond epoxy coating(FBE),coal tar epoxy,3PE,or as per customer’s requirement.
Package Bags,bundles,PVC packing,carton packing,wooden case,or as customer request.

Chemical composition of ASTM A106 carbon steel seamless pipe:

Chemical Properties(%) Grade A Grade B Grade C
Carbon (max.) 0.25 0.30 0.35
Manganese 0.27 -0.93 0.29-1.06 0.29-1.06
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%

For Grade A each reduction of 0.01% below the specified carbon maximum,an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.

Mechanical Properties of ASTM A106 carbon steel seamless pipe:

Mechanical Properties Grade A Grade B Grade C
Tensile Strength, min., psi 48,000 60,000 70,000
Yield Strength, min., psi 30,000 35,000 40,000

Haihao Group supply seamless steel pipes,welded steel pipes in standards ASTM A106,ASTM A53,API 5L,API 5CT,ASTM A312,ASTM A333,ASTM A335,EN10217,EN10219,etc.We can also supply butt welding pipe fittings,forged pipe fittings,forged flanges in carbon steel,stainless steel,alloy steel materials.If you want to know more about our piping products,please email