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Product Details

Name: Stainless Steel 347 Pipe

Size: 1/2" NB - 24" NB

Material:Stainless Steel

Type：Seamless, ERW, Welded, EFW

Thickness range: 0.1 to 60 mm

Surface Treatment: Polishing, Hairline, Pickled, etc.

Finished condition: Round, Square, Rectangular, Coil，U Tube

Application: Petrochemical, Oil & Gas； Geothermal, Mining；Chemical Process, Pharmaceutical, Biomass；Sea Water, Water Desalination； LNG (Liquefied Natural Gas), Nuclear Power, Solar Power。

Model number:

Original: Wenzhou,Zhejiang

Standard:GB, ASTM, JIS, EN, GOST, AISI, DIN, ASME, AMS

Brand:

Technics:

Package: Packed in woven bag, or put in wooden case

Price:

Delivery: Accord Quantity

Certificate:

Production ability:

Product Detail

347 stainless aerospace tubing is made from an austenitic stainless steel offering an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816°C). Alloy 347 alloyed with columbian-tantalum (also referred to as niobium) allowing good mechanical properties at high temperatures.

Table of Content：

1. Specification of 347 Stainless Steel Seamless pipe

2. Applications of 347 Stainless Steel Seamless pipe

3. ASTM A312 TP347 SS Seamless Pipes Equivalent Grades

4. Chemical Composition Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

5. Mechanical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

6. Physical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

7. Thermal Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

8. Electrical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

9. 347 Stainless Steel Seamless Pipe price list

Specification of 347 Stainless Steel Seamless pipe

Standard	GB, ASTM, JIS, EN, GOST, AISI, DIN, ASME, AMS
Grade	347
Type	Seamless, ERW, Welded, EFW
Length	01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
End	Plain End, Bevelled End, Threaded

Applications of 347 Stainless Steel Seamless pipe

l Oil and gas equipment

l Offshore technology

l Seawater desalination plants

l Chemical industry, especially when handling chlorides

l Flue-gas cleaning

l Pulp and paper industry

l Cargo tanks and pipe systems in chemical tankers

l Firewalls and blast walls on offshore platforms

l Bridges

l Storage tanks

l Pressure vessels, reactor tanks, and heat exchangers

l Rotors, impellers and shafts

ASTM A312 TP347 SS Seamless Pipes Equivalent Grades

STANDARD	UNS	WERKSTOFF NR.	EN
SS 347	S34700	1.4550	X6CrNiNb18-10

Chemical Composition Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

Element	347
Carbon*	0.08
Manganese	2.00
Phosphorus	0.045
Sulfur	0.03
Silicon	0.75
Chromium	17.00-19.00
Nickel	9.00-13.00
Columbium +Tantalum**	10xC min to 1.00 max
Tantalum	—
Titanium**	—
Cobalt	—
Nitrogen	—
Iron	Balance

Mechanical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

Elongation at break ( % )	<60
Hardness - Brinell	160-190
Izod impact strength ( J.m-1 )	20-136
Modulus of elasticity ( GPa )	190-210
Tensile strength ( MPa )	520-1100

Physical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

Density ( g.cm-3 )	7.93
Melting point (°C )	1400-1425

Thermal Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

Coefficient of thermal expansion ( x10-6 K-1 )	16-18 @ 20-100°C
Maximum use temperature in air ( °C )	800

Electrical Properties Of ASTM A312 TP 347 Stainless Steel Seamless Pipe

Electrical resistivity ( µOhm.cm )

70-73