Stainless Steel 347 / 347H Pipe Fittings Manufacturer, Supplier, and Stockists in India

Samay Steel and Engineering Co. is a reputed manufacturer, stockist, and exporter of Stainless Steel 347 / 347H Pipe Fittings, offering durable and high-performance solutions for high-temperature and corrosive applications. Stainless Steel 347 is a stabilized austenitic stainless steel containing columbium (niobium), which enhances its resistance to intergranular corrosion, especially after welding and exposure to high temperatures. 347H, the high-carbon version of 347, offers better creep resistance and is ideal for applications involving prolonged exposure to elevated temperatures.

The company manufactures a wide range of Stainless Steel 347 / 347H Pipe Fittings, including elbows, tees, reducers, caps, stub ends, and cross fittings. These products are produced in strict adherence to international standards such as ASTM A403 and ASME B16.9, ensuring excellent dimensional accuracy and mechanical properties. Due to their superior thermal stability and corrosion resistance, these fittings are widely used in industries like aerospace, power generation, petroleum refining, chemical processing, and high-temperature exhaust systems.

As a reliable stockist, Samay Steel and Engineering Co. maintains a comprehensive inventory of Stainless Steel 347 / 347H Pipe Fittings in various sizes, wall thicknesses, and pressure ratings. Their manufacturing facilities are equipped with advanced machinery and managed by skilled technicians, enabling them to fulfill both standard and custom orders efficiently. All fittings undergo rigorous quality checks, including non-destructive testing, pressure testing, and chemical analysis, ensuring that each product meets or exceeds client expectations.

Samay Steel and Engineering Co. exports its Stainless Steel 347 / 347H Pipe Fittings to several countries across the globe, establishing a strong footprint in international markets. Key export destinations include Oman, Qatar, Saudi Arabia, UAE, and Kuwait in the Middle East; Spain and Germany in Europe; the USA and Canada in North America; and various regions throughout Africa. Their ability to deliver high-quality products on time, backed by robust logistics and excellent customer service, makes them a preferred supplier for clients worldwide.

Stainless Steel 347 / 347H Pipe FittingsP Specifications

With a commitment to technical excellence and customer satisfaction, Samay Steel and Engineering Co. continues to be at the forefront of supplying advanced piping solutions for challenging industrial environments. Their Stainless Steel 347 / 347H Pipe Fittings are designed to perform reliably under extreme conditions, offering long service life, minimal maintenance, and cost-efficiency. The company’s dedication to innovation, quality, and global reach positions it as a leading name in the stainless steel fittings industry.

Whether for high-pressure applications or environments requiring superior corrosion resistance, Stainless Steel 347 / 347H Pipe Fittings from Samay Steel and Engineering Co. offers the reliability, performance, and global supply chain support needed to meet demanding industrial needs worldwide.

Chemical Composition of Stainless Steel 347 / 347H Pipe Fittings

Specification	Details
Grades	Stainless Steel 347 / 347H
UNS Number	S34700 / S34709
Standards	ASTM A312, A213, A269, A358, A249
Form	Seamless, Welded, ERW, Fabricated
Pipe & Tube Size Range	1/8” NB to 24” NB (for pipes), 6.35 mm OD to 101.6 mm OD (for tubes)
Thickness	0.5 mm to 20 mm
Length	Single Random, Double Random & Cut Length
Schedules (Wall Thickness)	SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, XXS
Type	Round, Square, Rectangular
Finish	Annealed & Pickled, Bright Annealed, Polished
End Types	Plain End, Beveled End, Threaded
Manufacturing Process	Cold Drawn, Hot Finished, Welded
Testing & Certification	PMI Test, Hydro Test, Third Party Inspection, Mill Test Certificates (MTC)
Applications	Heat exchangers, Power plants, Petrochemicals, Refineries, Aerospace

Element	SS 347 (% by weight)	SS 347H (% by weight)
Carbon (C)	≤ 0.08	0.04 – 0.10
Manganese (Mn)	≤ 2.00	≤ 2.00
Phosphorus (P)	≤ 0.045	≤ 0.045
Sulfur (S)	≤ 0.030	≤ 0.030
Silicon (Si)	≤ 1.00	≤ 1.00
Chromium (Cr)	17.0 – 19.0	17.0 – 19.0
Nickel (Ni)	9.0 – 13.0	9.0 – 13.0
Niobium (Cb/Nb)	≥ 10 x C (min 0.30%)	≥ 10 x C (min 0.30%)
Iron (Fe)	Balance	Balance

Mechanical Properties of Stainless Steel 347 / 347H Pipe Fittings

Property	Stainless Steel 347	Stainless Steel 347H
Tensile Strength (min)	515 MPa (75 ksi)	515 MPa (75 ksi)
Yield Strength (min)	205 MPa (30 ksi)	205 MPa (30 ksi)
Elongation (min)	35%	35%
Hardness (max)	95 HRB	95 HRB
Modulus of Elasticity	~193 GPa	~193 GPa
Melting Range	1398 – 1446°C	1398 – 1446°C
Density	7.96 g/cm³	7.96 g/cm³
Impact Strength	Good	Good

Types of Pipes and Tubes

Cities we supply Pipes & Tubes in India :-

Countries we export Pipes & Tubes worldwide :-