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347h 347 Round Bar , Ss Round Rod Excellent High Temperature And Corrosion Resistance

Categories Stainless Steel Bar
Brand Name: Bozhong
Model Number: 347 / 347H
Certification: ISO / TUV / DNV
Place of Origin: China
MOQ: negotiable
Price: negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000TON/MONTH
Delivery Time: 3--10days
Packaging Details: seaworthy packing or as required
Description: Stainless Steel Sheet
Grade: 347 / 347H
Standard: AISI, ASTM, DIN, EN, GB ,JIS
Dimension: Accept custom
MOQ: 1000 kg
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347h 347 Round Bar , Ss Round Rod Excellent High Temperature And Corrosion Resistance

Parameter

Type 347 / 347H stainless steel is an austenitic grade of chromium steel, which contains columbium as a stabilizing element. Tantalum can also be added for achieving stabilization. This eliminates the carbide precipitation, as well as intergranular corrosion in steel Bars.Type 347 / 347H stainless steel Bars offer higher creep and stress rupture properties than grade 304 and 304L. This makes them suitable for exposures to sensitization and intergranular corrosion. Moreover, the inclusion of columbium allows 347 Bars to have excellent corrosion resistance, even superior to that of 321 stainless steel bars. However, 347H steel is the higher carbon composition substitute of stainless steel bar grade 347. Therefore, 347H steel bars offer improved high temperature and creep properties.


With wide experience and expertise, Bozhong Group is one of the leading 347/347h stainless steel bar/rod manufacturers and suppliers. We have hundreds of high-qualified workers at your service. Please rest assured to get the competitive price 347/347h stainless steel bar/rod for sale with us.


Our range of SS 347 Bar is extremely economical, and thus making our products highly valuable among our clients. Most sizes of SS 347 Bars can be cut to exact sizes. Non standard sizes of SS 347 Bars can be made to order. SS 347H Bars are available in diverse sizes, grades and shapes, and are quality passed and tested as per international standards. Bozhong Bars as well fabricate and design these SS 347H Bars in different specifications and designs as per requirements of our customers.


Standard:

STANDARDUNSWERKSTOFF NR.
SS 347S347001.4550
SS 347HS347091.4961/1.4912

Chemical Properties:

CCrMnNiPSSiCb/Ta
3470.08 maxmin: 17.0
max: 20.0
2.0 maxmin: 9.0
max: 13.0
0.04 max0.30
max
0.75
max
min:10x C
max: 1.0
347Hmin: 0.04
max: 0.10
min: 17.0
max: 20.0
2.0 maxmin: 9.0
max: 13.0
0.03 max0.30
max
0.75
max
min:10x C
max: 1.0

Mechanical Properties:

GradeTensile Strength ksi (MPa) minYield Strength 0.2% ksi offset ksi (MPa) minElongation (% in 50mm) minHardness (Brinell) MAXHardness (Rockwell B) MAX
347/347H75
(515)
30
(205)
4020195

Physical Properties:

Density
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°FSpecific Heat BTU/lbm -°FModules of Elasticity (annealed)2-psi
at 68 °Fat 68 – 212°Fat 68 – 1832°F68-932°Fat 32 – 212°Fin tension (E)
0.2889.211.414.70.1228 x 106

Corrosion Resistance:

1,Offers similar resistance to general, overall corrosion as Alloy 304

2,Used for applications where alloys such as Alloy 304 are vulnerable to intergranualr corrosion

3,Generally used for heavy welded equipment which cannot be annealed and for equipment which is operated between 800 to 150°F (427 TO 816°C)

4,Alloy 347 is preferred over Alloy 321 for aqueous and other low temperature environments

5,Primarily used in high temperature environments where resistance to sensitization is necessary, in turn preventing intergranualr corrosion at lower levels

6,Susceptible to stress corrosion cracking

7,Exhibits oxidation resistance similar to all other 18-8 austenitic stainless steels


Weldability

1,Austenitic stainless steels are considered to be the most weldable out of all high alloy steels

2,Can be welded by all fusion and resistance welding processes


Heat Treatment

1,Annealing temperature range is 1800 to 2000°F

2,May be stress relief annealed within the carbide precipitation range of 800 to 1500°F without any danger of subsequent intergranualr corrosion

3,Cannot be hardened by heat treatment


Product Tags:

ss bar stock

  

ss round bar

  
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