347H Stainless Steel Sheet

1. Thickness: 0.1mm - 100mm
2. Width: 100 - 2000mm
3. Length: 1000 - 12000mm
4. Equivalent: UNS S34709, WNR.1.4961, AISI 347H

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Product Introduction

347H Stainless Steel Sheet not only has the corrosion resistance of ordinary stainless steel, but also has corrosion resistance in high temperature and high sulfide atmosphere. It can resist the corrosion of many chemical substances such as sulfuric acid, phosphoric acid, and hydrofluoric acid. In addition, 347H stainless steel is not easy to rust and produce hydrogen cracking. S34709 material has good high temperature strength and is suitable for temperatures ranging from -195℃ to 800℃.

ASTM A240 347H stainless sheet standard:

ASTM A240: Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

347H Products: 347H Is Available in Pipes, Tubes, Plates, Sheets, Strips, Coils, Fittings, Flanges, Forgings, Fasteners, Bars, Rods, Etc.

Other Grades: 904L, 254SMO, 2507, 253MA, 304, 304L, 316, 316L, 316Ti, 316L Mod, 17-4ph, 310, 310S, 317, 317L, 321, 321H, 347, 347H, S32550, S32205, S31803, S31050, S30815, Etc.

347H Stainless Steel Sheet Specifications

Description	ASTM A240 / ASME SA240
Standard	ASTM, ASME, BS, DIN, EN
Thickness	0.25-200mm, 0.3mm to 120mm
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, etc
Form	Plate, Sheet, Strip, Coil, Foil, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Etc.
Surface	2B, 2D, BA, NO. 1, NO. 4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching
Certificate	PED Certification, etc

ASTM A240 347h SS Sheet Chemical Composition

Grade		C	Ni	Si	S	Mn	P	Cr	Co + Ta
SS 347H	min.	0.04	9	–	–	–	–	17	8xC min
SS 347H	max.	0.1	13	1	0.03	2	0.045	19	1.00max

ASTM A240 UNS S34709 Sheet Mechanical Properties

Yield Strength 0.2% Offset		Ultimate Tensile Strength		Elongation in 2 in.	Hardness
psi (min.)	(MPa)	psi (min.)	(MPa)	% (min.)	(max.)
30,000	205	75,000	515	40	201 Brinell

347H Stainless Steel Plates Physical Properties

Properties	Metric	Imperial
Density	7.7 – 8.03 g/cm3	0.278 – 0.290 lb/in³

Sizes of ASTM A240 Type 347 Sheet

Size (in inches)	Size (in mm)
.125"	3.18mm
.134"	3.40mm
.156"	3.96mm
.187"	4.75mm
.250"	6.35mm
.312"	7.92mm
.375"	9.53mm
.500"	12.7mm
.600"	15.9mm
.750"	19.1mm
.875"	22.2mm
1"	25.4mm
1.125"	28.6mm
1.250"	31.8mm
1.500"	38.1mm
1.750"	44.5mm
2"	50.8mm
2.500"	63.5mm
3"	76.2mm

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ASTM A240 type 347H Plate Applications

Aircraft exhaust manifolds, chemical processing equipment and high temperature steam services
Refineries and petrochemical processing
Furnace pipes, burners, heating furnaces, chemical equipment

ASTM A240 347H Plate Good Welding:

SS 347H sheet has good welding performance, fine grains in the heat affected zone (HAZ), and is not prone to deformation and cracks that require subsequent heat treatment. The "H" in 347H refers to the high carbon content, and the anti-sensitization is improved due to the addition of Cb elements.

SS 347h Plate Processability:

347H SS plate can be processed into various shapes under conventional cold working processes, such as coiling, bending, folding and forming, etc.

AISI 347h Stainless Steel Plate Transportation

347H stainless steel plate should be packed in wooden boxes, wooden pallets, shrink wrap or iron boxes, and supported by wooden poles to avoid compression deformation or bending. In addition, it needs to avoid contact with other metals to avoid electrochemical corrosion.