Corten Steel A423 A Gr. 1 Pipes & Tubes

Chemical Composition & Mechanical Properties of Corten Steel A423 A Gr. 1 Pipes & Tubes

Specification	Grade	C (Max)	Mn (Max)	P (Max)	S (Max)	Si (Min)	Cu (Min)	Ni (Max)	Cr (Min)	Cr (Max)	V (Min)	V (Max)	Yield Strength (Min) MPa	Tensile Strength (Min) MPa	% Elongation (Min)	Hardness (Max)
ASTM A423	A Gr. 1	0.19	0.30-0.65	0.06	0.035	0.10	0.20-0.60	0.50	0.24	1.10	0.02	0.10	240	480	30	90 HRB
ASTM A588	A588 Gr. A	0.19	0.80-1.25	0.04	0.05	0.30-0.65	0.25-0.40	0.40	0.40	0.70	0.02	0.10	345	485	21	100 HRB
ASTM A606	A606 Type 4	0.22	0.25-0.75	0.04	0.05	0.15-0.60	0.18-0.40	0.40	0.30	0.70	0.02	0.10	275	455	20	95 HRB

Category	Details
Standard Pipe Dimensions	Outer Diameter (OD): 1/8" (0.375") to 48" (12.5 cm)
	Wall Thickness (WT): Varies from Schedule 10 to Schedule 160
	Schedules: 5, 10, 20, 40, 80, 160, XXS (Extra Extra Strong), etc.
Pipe Manufacturing Process	Seamless Pipe: Formed from a solid billet, no welding required
	Welded Pipe: Made from welded stainless steel coils
	ERW (Electric Resistance Welded): Uses electric resistance for welding
	Spiral Welded Pipe: Weld spirally wound around the pipe (for large sizes)
Surface Finishes	Mill Finish: Basic finish from manufacturing
	Pickled and Passivated: Removes scale and oxide for better corrosion resistance
	Polished: Mirror or satin finish for aesthetic and sanitary applications
	Brushed: Textured, non-reflective surface for architectural use
Applications	Industries Served: Food & Beverage, Chemical & Petrochemical, Marine & Offshore, Oil & Gas

Spec	Outside Dia.	Pipe Body	Pipe End	Wall Thickness	Weight	Length (Nominal)	Avg (mm)	Minimum	Maximum
ASTM A423	±0.1%	N.A.	+10%, -5%	±10%	+10%	Upto 6m: ±3mm	±3mm	-6mm	+6mm
ASTM A588	±0.12%	±0.5mm	+10%, -5%	±10%	+10%	Upto 6m: ±3mm	±3mm	-6mm	+6mm
ASTM A606	±0.15%	±0.5mm	+10%, -5%	±10%	+10%	Upto 6m: ±3mm	±3mm	-6mm	+6mm