A106/20# Seamless Pressure Pipe

A53 Seamless & Welded Carbon Steel Pipe

ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines.
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Product introduction

A53 steel pipe ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines. It is suitable for welding and for forming operations involving coiling, bending, and flanging, subject to certain qualifications.

Product Parameters

Product Name A53 Seamless & Welded Carbon Steel Pipe
Standard EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer diameter Seamless:1/4″-36″ Welding:21.3mm-3620mm
Round tube:1/2″-10″ square tube/Rectangular tube:15×15-400x600mm
Wall thickness Seamless:1.25mm-50mm Welding:1.65mm-65mm
Length 3-12 meters, support customization
SurfaceProcess Bright, polished, black
Other Services Machining(CNC), centerless grinding (CG), heat treatment, annealing, pickling, polishing, rolling, forging, cutting, bending, small machining, etc.

chemical composition

A53 Grade C Mn P S Cu Ni Cr Mo V
TypeS(Seamless) A 0.25 0.95 0.05 0.05 0.4 0.4 0.4 0.15 0.08
B 0.3 1.2 0.05 0.05 0.4 0.4 0.4 0.15 0.08
TypeE (resistance welding) A 0.25 0.95 0.05 0.05 0.4 0.4 0.4 0.15 0.08
B 0.3 1.2 0.05 0.05 0.4 0.4 0.4 0.15 0.08
TypeF(furnace welding) A 0.3 1.2 0.05 0.05 0.4 0.4 0.4 0.15 0.08
Mechanical properties

A53

GradeA

GradeB

Tensile StrengthMin.psi(MPa)

48,000(330)

60,000(415)

Yield strengthMin.psi(MPa)

30,000(205)

35,000(240)

Physical Performance

Density20°C Kg/dm³ modulus of elasticityKn/² mm coefficient of thermal conductivity20°C W/m K Heat capacity20°C J/kg K Resistivity20°C Ωmm²/m
20C° 300C° 400C° 450C°
7.85 210 192 184 179 51 461 0.20
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