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Ganyeah Holding Group Co., Ltd
Ganyeah Holding Group Co., Ltd  

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You are here: home  > Industrial Stainless Steel Pipe  > 347/347H 12 Inch Stainless Steel Pipe

347/347H 12 Inch Stainless Steel Pipe 

Price: 4900.0 USD 
Payment Terms: T/T,L/C,D/P 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: 730640
Production Capacity: 2000Ton/Month
Delivery Date: 15days
Grade: SUS 304/304L/ 316L/347H/S32...
Inspection: UT, ET, HT, RT
Certification: API 5LC,DNV•GL, ABS, TUV, L...
Surface: Pickling,annealing,polishin...
Origin: China
Means of Transport: Ocean,Land
Packing: Plastic, Wooden Case, Other...
Brand: Ganyeah
Standard: Astm a312/Astm a778/Astm a5...
Section Shape: Round
Length: 6 m or as customers' reques...
HS Code: 730640000/730611000

STAINLESS STEEL 347/347H Better high temperature properties than 304 or 304L. Generally used for parts which are intermittently heated up to 1500°F.

12 Inch Stainless Steel Pipe

Stainless steel 347 is variation of the fundamental austenitic 18/8 Grade 304 with included Columbium – the presentation of Columbium balances out the steel and wipes out carbide precipitation which accordingly causes intergranular consumption. They are suggested for parts created by welding which can't be accordingly tempered. These sorts likewise are utilized for parts which are discontinuously warmed and cooled to temperatures somewhere around 800°F and 1600°F. The expansion of columbium creates a stabilized sort of stainless that disposes of carbide precipitation and, thus, intergranular consumption.


FEATURES OF STAINLESS STEEL 347/347H:

o Superior general corrosion resistance over Type 321 due to stabilization with columbium.

o Reduced tendencies to form continuous networks of chromium carbides at the grain boundaries.

o Better high temperature properties than 304 or 304L. Generally used for parts which are intermittently heated up to 1500°F.  For continuous service the maximum temperature is 1650°F.

o Type 347 has high carbon (.04 to .10) for better high temperature creep properties.

o Improved intergranular corrosion resistance.


APPLICATIONS OF STAINLESS STEEL 347/347H:

o High temperature chemical processes

o Heat exchanger tubes

o High temperature steam service

o High pressure steam pipes

o Radiant super heaters

o Boiler tubes

o Heavy duty exhaust systems

o General refinery piping


CHEMICAL COMPOSITION OF 12 Inch Stainless Steel Pipe:

C

Cr

Mn

Ni

P

S

Si

Cb/Ta


347

0.08 max

min: 17.0
max: 20.0

2.0 max

min: 9.0
max: 13.0

0.04 max

0.30
max

0.75
max

min:10x C
max: 1.0

347H

min: 0.04
max: 0.10

min: 17.0
max: 20.0

2.0 max

min: 9.0
max: 13.0

0.03 max

0.30
max

0.75
max

min:10x C
max: 1.0


MECHANICAL PROPERTIES OF 12 Inch Stainless Steel Pipe:

Grade

Tensile Strength ksi (MPa) min

Yield Strength 0.2% ksi offset ksi (MPa) min

Elongation (% in 50mm) min

Hardness (Brinell) MAX

Hardness (Rockwell B) MAX

347/347H

75
(515)

30
(205)

40

201

95


PHYSICAL PROPERTIES OF 12 Inch Stainless Steel Pipe:

Density
lbm/in3

Coefficient of
Thermal Expansion (min/in)-°F

Thermal Conductivity BTU/hr-ft-°F

Specific Heat BTU/lbm -°F

Modules of Elasticity (annealed)2-psi

at 68 °F

at 68 – 212°F

at 68 – 1832°F

68-932°F

at 32 – 212°F

in tension (E)

0.288

9.2

11.4

14.7

0.12

28 x 106

.

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 Mr. stephen

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Fax: 86-578-6752188
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Company Info

Ganyeah Holding Group Co., Ltd [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Lishui
Province/State: Zhejiang
Country/Region: China (Mainland)

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