Steelveron

Alloy Steel Welded Pipes

Steelvron is a trusted Alloy Steel Welded Pipes Supplier, Manufacturer, and Exporter, offering premium-quality welded pipes designed for high-pressure, high-temperature, and critical industrial applications. Our welded alloy steel pipes are widely used in oil & gas pipelines, petrochemical plants, refineries, power plants, and structural engineering projects, where strength, durability, and thermal stability are essential.

Overview

Steelvron is a trusted Alloy Steel Welded Pipes Supplier, Manufacturer, and Exporter, offering premium-quality welded pipes designed for high-pressure, high-temperature, and critical industrial applications. Our welded alloy steel pipes are widely used in oil & gas pipelines, petrochemical plants, refineries, power plants, and structural engineering projects, where strength, durability, and thermal stability are essential.

Constructed with strong and precise welded joints, these pipes provide exceptional mechanical strength, corrosion resistance, and heat endurance. Their welded design ensures uniformity, dimensional accuracy, and long-term reliability, making them ideal for systems where high-performance and safety are critical.

Steelvron supplies these pipes in various ASTM A691 alloy steel grades, including A691 1.25Cr–0.5Mo, A691 2.25Cr–1Mo, A691 5Cr, A691 9Cr, and A691 91Cr, carefully selected for high-temperature steam lines, boilers, heat exchangers, petrochemical pipelines, and structural frameworks.

Manufactured in compliance with ASTM, ASME, DIN, EN, and JIS standards, our alloy steel welded pipes are available in Welded (ERW), Seamless, Precision / Cold Drawn, and Polished forms. End finishes include plain, beveled, threaded, and flanged ends, while surface finishes are available in mill finish, polished, or pickled & passivated, ensuring easy installation, low maintenance, and operational efficiency.

As a global supplier, Steelvron focuses on consistent quality, international standard compliance, and superior performance, making our alloy steel welded pipes the preferred choice for engineers and project managers in demanding industrial environments.

Grade	C (%)	Mn (%)	Si (%)	Cr (%)	Mo (%)	Ni (%)	V (%)	N (%)
A691 1.25Cr–0.5Mo	0.10–0.15	0.30–0.60	0.20–0.35	0.50–0.80	0.45–0.60	–	–	–
A691 2.25Cr–1Mo	0.08–0.12	0.30–0.60	0.20–0.35	0.80–1.10	0.45–0.60	–	–	–
A691 5Cr	0.08–0.12	0.30–0.60	0.20–0.35	1.00–1.50	0.45–0.65	–	–	–
A691 9Cr	0.08–0.12	0.30–0.60	0.20–0.50	9.00–9.50	0.85–1.05	0.25–0.50	0.07–0.12	0.04–0.10
A691 91Cr	0.08–0.12	0.30–0.60	0.20–0.50	8.50–9.50	0.80–1.05	0.20–0.50	0.06–0.12	0.03–0.08

Property	A691 1.25Cr–0.5Mo	A691 2.25Cr–1Mo	A691 5Cr	A691 9Cr	A691 91Cr
Density (g/cm³)	7.85	7.85	7.85	7.85	7.85
Melting Point (°C)	1400–1450	1400–1450	1400–1450	1420–1460	1420–1460
Tensile Strength (MPa)	415–585	450–600	450–610	620–750	630–760
Yield Strength (MPa)	240–350	280–400	290–400	510–600	520–620
Elongation (%)	20–25	20–25	18–22	20–25	20–25
Hardness (HB)	120–170	130–180	130–180	180–220	180–220

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Alloy Steel Welded Pipes

Overview

Technical Specifications of Alloy Steel Welded Pipes

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Chemical Properties Of Alloy Steel Welded Pipes

Types Of Alloy Steel Welded Pipes We Offer

Alloy Steel Welded Pipes Seamless Pipes

Alloy Steel Welded Pipes Seamless Tubes

Alloy Steel Welded Pipes Welded Pipes

Alloy Steel Welded Pipes Welded Tubes

Alloy Steel Welded Pipes EFW Pipes and Tubes

Alloy Steel Welded Pipes ERW Pipes and Tubes

Materials We Offer

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