Duplex Steel

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Duplex Steel Leading Manufacturer in India

Force Metal Industries is a trusted manufacturer, supplier, and exporter of premium Duplex Steel, delivering high-performance materials for demanding industrial applications. Manufactured to international quality standards, our duplex steel products provide exceptional corrosion resistance, high mechanical strength, excellent toughness, and long-term durability. Available in various grades, sizes, and specifications, they are widely used in marine, chemical processing, oil & gas, petrochemical, power generation, and offshore industries.

Our duplex steel products are engineered to withstand harsh operating environments while offering superior weldability, outstanding fatigue strength, and reliable performance. With advanced manufacturing technology, rigorous quality control, and timely worldwide delivery, Force Metal Industries supplies precision-engineered steel solutions that meet international standards and ensure consistent quality, durability, and customer satisfaction for every project.

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Duplex Steel Specifications

Strength	High tensile strength with excellent load-bearing capacity
Corrosion Resistance	Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking
Toughness & Ductility	Excellent impact toughness and superior ductility, even in demanding environments

Applications

Structural Design Components

Storage and Exchange Equipment(High Pressure, Saline applications)

Heat Exchanger

Aerospace, Pulp and Paper Industry

Duplex stainless steels are called “duplex” because they have a two-phase micro-structure consisting of phases of ferritic and austenitic stainless steel.

This structure provides a unique set of benefits.

PREN Values

Steel grade	PREN
1.4307	18
1.4404	24
1.4462	31
2205	35

Mechanical Properties

Grade No.	Yield Strength (Rp 0.2%) (Min)	UTS (Mpa)(Min)	UTS (Mpa)(Max)	% Elongation (Min)	% Reduction area (Min)	Hardness (BHN) (Max)
1.4462	450	650	880	25	–	270
UNS S31803	448	620	–	25	–	290
UNS S32205	450	655	–	25	–	290
1.4362	400	600	830	25	–	260
1.4460	450	620	880	20	–	260

Chemical Composition

Standard	Grade	C %	Si %	Mn %	P %	S %	Cr %	Mo %	Ni(MAX) %	Cu %	N2(MAX) %
ASTM A 182	F-51	0.03	1	2	0.03	0.02	21-23	2.5-3.5	4.5-6.5		0.08-0.2
ASTM A 182	F-60	0.03	1	2	0.03	0.02	22-23	3.0-3.5	4.5-6.5		0.14-0.2
ASTM A 182	F-53	0.03	0.8	1.2	0.035	0.02	24-26	3-5	6.0-8.0	0.5	0.24-0.32
ASTM A 276	UNS S32205	0.03	1	2	0.03	0.02	22-23	3.0-3.5	4.5-6.5		0.14-0.2
ASTM A 276	UNS S31803	0.03	1	2	0.03	0.02	21-23	2.5-3.5	4.5-6.5		0.08-0.20
ASTM A 240	UNS S32750	0.03	0.8	1.2	0.035	0.02	24-26	3-5	6.0-8.0	0.5	0.24-0.32
DIN EN 10088-3	1.4462	0.03	1	2	0.035	0.015	21-23	2.5-3.5	4.5-6.5		0.1-0.22
DIN EN 10088-3	1.4460	0.05	1	2	0.035	0.03	25-28	1.3-2.0	4.5-6.5		0.05-0.2
EN 10095	1.4821	0.1-0.2	0.8-1.5	2	0.04	0.015	24.5-26.5		3.5-5.5		0.11
DIN EN 10088-3	1.4410	0.03	1	2	0.035	0.015	24-26	3.0-4.5	6.0-8.0		0.24-0.35
EN 10028-7	1.4362	0.03	1.0	2.0	0.035	0.015	22-24.5	0.1-0.6	3.5-5.5	0.1-0.6	0.05-0.2