Stainless Steel 347 and 347H Welded Pipes

Home > Stainless Steel > Stainless Steel 347 and 347H Welded Pipes

Stainless Steel 347 and 347H Welded Pipes Manufacturer, Supplier and Exporter in Hamilton, New Zealand

Blundell Pipes and Tubes, located in Hamilton, New Zealand, stands out as a top-notch manufacturer and supplier of high-quality Stainless Steel 347 and 347H Welded Pipes. Known for their precision engineering and unwavering quality, this company crafts welded pipes that excel in resisting intergranular corrosion and performing exceptionally well at high temperatures. By employing cutting-edge manufacturing techniques and rigorous quality control measures, Blundell Pipes and Tubes guarantees that their products meet both national and international standards. These welded pipes are perfect for demanding sectors like petrochemical, power generation, aerospace, and chemical processing, offering reliable, durable, and high-performance solutions for critical applications.

347H Stainless Steel Welded Pipes Supplier in Hamilton, SS UNS S34700 Welded Pipes Exporter in Tauranga, SS 347 Welded Pipes Manufacturer in West Hamilton, Tp347 Stainless Steel Welded Pipe Price List in New Zealand, ASTM A312 Stainless Steel 347H Welded Pipes Supplier in Hamilton,347 SS Welded Pipe in Auckland, JIS SUS 347 Welded Pipes Suppliers in West Hamilton

The Stainless Steel 347 and 347H Welded Pipes are made from titanium-stabilized austenitic stainless steel, which includes chromium, nickel, and titanium. The 347H variant, with its higher carbon content, offers improved high-temperature strength and creep resistance. Both grades excel in resisting intergranular corrosion, pitting, and oxidation in harsh environments. On the mechanical side, these pipes boast high tensile and yield strength, toughness, and fatigue resistance, all while maintaining good weldability and machinability. Their welded design ensures uniform wall thickness, dimensional stability, and reliable performance even under high-pressure and high-temperature conditions.

Stainless Steel 347 and 347H Welded Pipes Welded Pipe Specification

Specifications : ASTM A312 / ASME SA312

Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock

Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Size : 1/2″ NB – 24″ NB

Type : Welded

Form: Round Pipes, Square Pipes, Rectangular Pipes.

Length : Single Random, Double Random & Required Length

End : Plain End, Beveled End, Treaded

Equivalent Grades for Stainless Steel 347 and 347H Welded Pipes

STANDARD	WERKSTOFF NR.	UNS	JIS	GOST	EN
SS 347	1.4550	S34700	SUS 347	08Ch18N12B	X6CrNiNb18-10
SS 347H	1.4961	S34709	SUS 347H	–	X6CrNiNb18-12

Stainless Steel 347 and 347H Welded Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 20.00	10xC – 1.10	9.00 – 13.00	62.74 min
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	8xC – 1.10	9.0 -13.0	63.72 min

SS 347 and 347H Welded Pipes Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 °C (2650 °F)	Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

DIN 1.4961 Stainless Steel Welded Pipes Supplier in New Zealand, SS 347H Welded Pipe Exporter in West Hamilton, 347 Stainless Steel Welded Pipes Manufacturer in Hamilton,AISI Stainless Steel 347H Welded Pipes Suppliers in New Zealand, SS S34709 Welded Pipes Exporter in Nottingham

Why Choose 347 and 347H Stainless Steel Welded Pipes from Blundell Pipes and Tubes?

Choosing Stainless Steel 347 and 347H Welded Pipes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.

Customer Support

On Time Deliveries

Largest Inventory

Worldwide Shipping

Largest 347 and 347H Stainless Steel Welded Pipes Supplier in Hamilton, New Zealand

The composition of Stainless Steel 347 and 347H Welded Pipes includes iron, chromium, nickel, and niobium, with carbon levels carefully managed—higher in 347H—to boost strength at elevated temperatures. The addition of niobium helps prevent chromium carbide precipitation, enhancing resistance to intergranular corrosion. On the mechanical side, these pipes boast impressive tensile strength, yield strength, and toughness, along with excellent creep resistance and thermal stability. They also offer remarkable weldability and oxidation resistance, making them ideal for situations that require durability and consistent performance under high temperatures and pressures.

ASTM A312 Stainless Steel 347H Welded Pipes Exporter in Auckland, 347 Stainless Steel Welded Pipe Hamilton,347 SS Welded Pipe Supplier in Tauranga, SS 1.4550 Welded Pipes Manufacturer in West Hamilton, ASTM A312 Stainless Steel Tp347H Welded Pipe Dealer in Hamilton, SS 347 Welded Pipe Supplier in New Zealand

347 and 347H Stainless Steel Welded Pipe Sizes

NB Sizes	Sch 5	Sch 10	Sch 40	Sch 80	Sch 160
1/8″	✓	✓	✓	✓
1/4″	✓	✓	✓	✓
3/8″	✓	✓	✓	✓
1/2″	✓	✓	✓	✓	✓
3/4″	✓	✓	✓	✓	✓
1″	✓	✓	✓	✓	✓
1 1/4″	✓	✓	✓	✓	✓
1 1/2″	✓	✓	✓	✓	✓
2″	✓	✓	✓	✓	✓
2 1/2″	✓	✓	✓	✓	✓
3″	✓	✓	✓	✓	✓
4″	✓	✓	✓	✓	✓
5″	✓	✓	✓	✓
6″	✓	✓	✓	✓

Types of 347 and 347H Stainless Steel Welded Pipes

Are Custom Sizes Available for 347 and 347H Stainless Steel Welded Pipes?

You’ll find Stainless Steel 347 and 347H Welded Pipes widely used in environments that are both high-temperature and prone to corrosion. They’re commonly found in boilers, heat exchangers, superheaters, and chemical processing systems. The petrochemical and power generation industries utilize them for steam lines, furnace components, and refinery pipelines. Additionally, the aerospace, marine, and automotive sectors depend on these pipes for structural applications and high-temperature fluid transport. Plus, 347 and 347H welded pipes are perfect for thermodynamic applications, ensuring reliability and efficiency in every use.

Welded SS 347H Pipes Exporter in New Zealand, 347H Stainless Steel Welded Pipe Price List in Hamilton, SS UNS S34709 Welded Pipes Supplier in Tauranga, SS 347 Welded Pipes Exporter in West Hamilton, AISI SS 347 Welded Pipes Exporter in Hamilton,347 SS Welded Pipes Price in Auckland, Stainless Steel S34700 Welded Pipes Weight Chart, 347H Stainless Steel Welded Pipes Thickness, SS 1.4961 Welded Pipes Supplier in New Zealand

You’ll find Stainless Steel 347 and 347H Welded Pipes commonly used in boilers, heat exchangers, pressure vessels, and high-temperature piping systems. They’re also essential in petrochemical plants, oil & gas refineries, and power generation facilities where corrosion resistance and durability at elevated temperatures are crucial. Plus, they’re perfect for furnace components, industrial ovens, and high-temperature process piping that require long-lasting strength and reliability. With their blend of mechanical strength, corrosion resistance, and high-temperature performance, these pipes are truly a reliable choice for demanding applications.