ASTM A312 TP347H Pipe

1. Standard: ASTM A213, ASME SA312
2. Size: 1/2''~48''
3. Thickness: SCH5~SCHXXS
4. Service: Cutting, Welding, Fabricated, Customized

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ASTM A312 TP347H Pipe, which is a high-carbon version of the Alloy 347. 1.4961 stainless steel is a stabilized austenitic stainless steel alloy containing chromium, nickel, columbium (niobium), and a higher carbon content compared to 347. AISI 347H is specifically designed for high-temperature applications where elevated mechanical properties are required. The higher carbon content improves the high-temperature strength and creep resistance of 347H, making it suitable for service temperatures above 1000 degree (1832 degree F).

ASTM A312 UNS S34709 Pipe Applications:

ASTM A312 TP347H Chemical Composition

	SUS 347H
	17.00 min.-19.00 max.
	9.00 min.-13.00 max.
	0.04 min.-0.10 max.
	2.00
	0.045
	0.03
	0.75
	8 x (C + N) min.-1.00 max.

ASTM A312 Gr 347H Seamless Pipe Mechanical Properties


		1900 (1040) º F(º C)
		75(515)
		30(205)
		35

ASME SA312 TP347H Welded Pipes Physical Properties


	7.96 g/cm³

Both TP347 and TP347H are stabilized austenitic stainless steel alloys, meaning they contain elements such as columbium (niobium) and tantalum to prevent sensitization and intergranular corrosion. However, Type 347H is often preferred for applications involving sustained high temperatures due to its higher carbon content, which provides additional stabilization at elevated temperatures.

Q: What Is The Alloy 347H Price Per kg?

A: $5-$8 Price Per Kg