Name: Round ASTM A213 TP347H Austenitic Stainless Steel Seamless Tube Heat Exchanger Tube
Brand: Yuhong Group Co.,Ltd
SKU: 347H
Price: 1000000.00 USD
Availability: InStock

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Round ASTM A213 TP347H Austenitic Stainless Steel Seamless Tube Heat Exchanger Tube

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	347H

Payment & Shipping Terms:

Minimum Order Quantity:	100 KGS
Price:	Negotiatble
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with Plastic Cap
Delivery Time:	10 Days
Payment Terms:	L/C, T/T
Supply Ability:	10000 Tons Per Month

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Detailed Product Description

Standard:	ASTM	Type:	Seameless Steel Pipe
Shape:	Round	Surface Treatment:	Annealed, Polished Etc.
Technique:	Cold Drawn/ Cold Rolled	Steel Grade:	300 Series
Highlight:	347h grade stainless steel seamless tube , austenitic stainless steel seamless tube , a213 tp347h stainless steel seamless pipe

Round ASTM A213 TP347H Stainless Steel Seamless Tube

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.

ASTM A213 TP347H Stainless Steel Seamless Tube Chemical Composition

Grade	347	347H	347HFG
UNS Designation	S34700	S34709	S34710
Carbon (C) Max.	0.08	0.04–0.10	0.06–0.10
Manganese (Mn) Max.	2	2	2
Phosphorous (P) Max.	0.04	0.04	0.04
Sulphur (S) Max.	0.03	0.03	0.03
Silicon (Si) Max.	0.75	0.75	0.75
Chromium (Cr)	17.0–20.0	17.0–20.0	17.0–20.0
Nickel (Ni)	9.0–13.0	9.0–13.0	9.0–13.0
Molybdenum (Mo)	—	—
Nitrogen (N)	—	—	—
Iron (Fe)	Bal.	Bal.	Bal.
Other Elements	Cb+Ta=10xC-1.0	Cb+Ta=8xC-1.0	Nb+Ta=8xC-1.0

ASTM A213 TP347H Stainless Steel Seamless Tube Physical Properties

In the Annealed Condition at -20°F to +100°F
Alloy	UNS Design	Density kg/dm³	Modulus of Elasticity (x106 psi)	Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)	Thermal Conductivity (BTU-in/ft2-h-°F)
Alloy	UNS Design	Density kg/dm³	Modulus of Elasticity (x106 psi)	Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)	Thermal Conductivity (BTU-in/ft2-h-°F)
347	S34700	7.98	29	9.2	—
347H	S34709	7.98	29	9.2	—
347HFG	S34710	—	29	9.2	—

ASTM A213 TP347H Stainless Steel Seamless Tube Mechanical Properties

In the Annealed Condition at -20°F to +100°F
			Tensile Strength	Tensile Strength	Yield Strength	Yield Strength
Alloy	UNS	Spec	MPa	ksi	MPa	ksi	Elongation in 2 inches (min.) %	Grain Size Req.	Harndess HBW
347	S34700	ASTM A213	515	75	205	30	35	—	192
347H	S34709	ASME SA 213	515	75	205	30	35	7 or coarser	192
347HFG	S34710	—	550	80	205	30	35	7 or coarser	192

Why 347h SS is used for Chemical Processing?

The grade 347 is specific austenitic stainless steel made for repeated intermittent exposure to temperatures above 800 degrees Celsius. These are modifications of 304 stainless steel. They are similar to the 321 grade in some mechanical properties but different in that it has columbium in the composition. The material is corrosion resistant to most corrosive media in medium to high temperatures.

This is an important aspect required at chemical processing. The material has minimum yield strength of 205MPa and the minimum tensile strength at 515MPa. This allows the material to withstand high pressure at temperatures above 850 degrees Celsius. The pipes and components also have a good elongation and high hardness. The 304 material can undergo intergranular corrosion above temperatures 850 F. The 347H has a higher carbon content and heat resistant so that it can perform in this temperature range.

The combination of the pressure containment capacities, the strength, hardness, heat resistance and corrosion resistance make it applicable for chemical processing. These properties also make the material used in other high corrosive, high heat applications such as the boiler tubes and casings, radiant super heaters, heat exchanger tubes, oil and gas refineries and aircraft exhaust stacks.

ASTM A213 TP347H Stainless Steel Seamless Tube Application Industries