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TP347H Stainless Steel Seamless Tube Boiler Tube

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Brand Name :	YUHONG
Model Number :	ASME SA213 TP347H Stainless Steel Seamless Tube
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Payment Terms :	L/C,T/T
Delivery Time :	7 DAYS

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ASTM A213 / ASME SA213 UNS S34709 / TP347H Stainless Steel Seamless Tube Boiler Tube

ASTM A213 / ASME SA213 TP347H STAINLESS STEEL SEAMLESS TUBE BOILER TUBE

Stainless steel 347H is a stabilized austenitic stainless steel that contains a higher amount of carbon, compared to standard grade 347. This higher carbon content provides improved high-temperature strength and resistance to intergranular corrosion.
347H stainless steel tubes are commonly used in applications that require high-temperature resistance, such as in the manufacturing of heat exchangers, boilers, and furnace parts. They are also suitable for use in the petrochemical, chemical, and power generation industries.
These tubes are available in various sizes, thicknesses, and lengths to meet specific project requirements. They can be purchased in seamless or welded forms, depending on the application and desired characteristics.
The properties of stainless steel 347H tubes include excellent corrosion resistance, high strength, good weldability, and creep resistance at elevated temperatures. They have a wide operating temperature range and can withstand temperatures up to 1000°C (1832°F) without losing their mechanical properties. Additionally, stainless steel 347H tubes exhibit resistance to sulfur-bearing atmospheres, which makes them suitable for use in environments with sulfur compounds.

Standard: ASTM A213, ASME SA213
Equivalent Standards: EN 10216-5, DIN 17458, GOST 9941-81, GOST 9940-81

Material: TP347H, S34709
Equivalent Material: 07Cr18Ni11Nb, X7CrNiNb18-10, SUS 347H TB

Chemistry Composition

C, %	Si, %	Mn, %	P, %	S, %	Cr, %	Ni, %	Nb, %
0.04-0.10	1.00 max	2.00 max	0.045 max	0.030 max	17.0-19.0	9.0-13.0	8*C-1.1

Mechanical Properties

Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
515 min	205min	35min	192max

Outside Diameter & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, mm
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤190.5	+0.4/-1.2
	190.5＜OD≤228.6	+0.4/-1.6
Cold Drawn	Outside Diameter, mm	Tolerance, mm
	OD＜25.4	±0.10
	25.4≤OD≤38.1	±0.15
	38.1＜OD＜50.8	±0.20
	50.8≤OD＜63.5	±0.25
	63.5≤OD＜76.2	±0.30
	76.2≤OD≤101.6	±0.38
	101.6＜OD≤190.5	+0.38/-0.64
	190.5＜OD≤228.6	+0.38/-1.14

Wall thickness & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, %
	OD≤101.6, WT≤2.4	+40/-0
	OD≤101.6, 2.4＜WT≤3.8	+35/-0
	OD≤101.6, 3.8＜WT≤4.6	+33/-0
	OD≤101.6, WT>4.6	+28/-0
	OD>101.6, 2.4＜WT≤3.8	+35/-0
	OD>101.6, 3.8＜WT≤4.6	+33/-0
	OD>101.6, WT>4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
	OD≤38.1	+20/-0
	OD>38.1	+22/-0

ASTM A213/A213M specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. The tubing sizes and thicknesses usually furnished to ASTM A213/A213M specification are 1⁄8 in. [3.2 mm] in inside diameter to 5 in.[127 mm] in outside diameter and 0.015 to 0.500 in. [0.4 to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness. Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of ASTM A213/A213M specification.

Manufacture: tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified.
Heat Treatment: solution treatment.
Inspection & Test: chemistry composition, tensile test, hardeness test, flattening test, flaring test, NDT, surface inspection and dimension check.

Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max developed length: 32 meters, also U bending can be offered, each leg length can be 15.24 meters.

Application

Chemical Processing
Petrochemical Industry
Power Generation
Oil and Gas
Food Processing
Pharmaceutical Industry
Automotive Industry
Aerospace Industry

ASTM A213 / ASME SA213 UNS S34709 / TP347H Stainless Steel Seamless Tube Boiler Tube

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