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Stainless Steel 347/347H Round Bars

Stainless Steel 347 round bars are a type of steel that is stabilized and contains chromium and columbium. This combination helps prevent carbide precipitation and intergranular corrosion. Stainless steel 347 round bars are made stronger by adding chromium and tantalum. They have better resistance to high temperatures and stress compared to stainless steel 304 and 304L. These bars can also be used in situations where there is a risk of sensitization and intergranular corrosion. Adding columbium to stainless steel 347H round bars improves their corrosion resistance, making them even better than stainless steel 321. Stainless Steel 347H round bars are a type of stainless steel that has a higher carbon composition compared to stainless steel 347 round bars. This makes them better suited for high temperatures and resistant to deformation over time.

Stainless Steel 347/347H Round Bars

347 Stainless Round Bar, 347 Stainless Steel Round Bar, 347 Stainless Steel, 347h Stainless Steel, SS 347 Round Bar, Stainless Steel UNS S34700 Round Bar, Stainless Steel 347H Black Round Bar, SS 347H Round Bar

Shree Viratra Enterprises is a top manufacturer in India that makes high-quality Stainless Steel 347/347H Round Bars. These bars are used in many different industries. The SS 347 round bar is a type of stainless steel that is easy to shape and is commonly found in round bar form. The SS 347 Round Bar, also called stainless steel uns s34700 round bar, is a type of round bar made from 347 stainless steel. It has a higher carbon content and is known for its improved performance at high temperatures and resistance to creep. It is mainly used in the maritime industry for cryogenic applications. It is made with metals like molybdenum, chromium, and nickel. These round bars cannot be heat-treated, but they can be used at temperatures between 1500 and 2100 degrees Fahrenheit. They are typically used at low elevations. Our 347 stainless round bar, also known as WNR 1.4961, are commonly used in various applications. These include high temperature chemical processes, high temperature steam service, and heat exchanger tubes. We have ss 347h round bar available in various sizes and shapes. These bars are designed according to national and international quality standards using high-quality raw materials. The 347/347h stainless steel cannot be made harder through heat treatment. It can only be hardened through cold working. It is easy to weld and process using standard shop fabrication methods. The 347 stainless steel round bar is used in various industries such as off-shore oil drilling, power generation, petrochemicals, gas processing, chemical equipment, pharmaceutical and medical equipment, heat exchangers, sea and water equipment, and more. These round bars are commonly used in the construction of oil boilers and furnace sections. The stainless steel 347H black round bars can be customized in length, shape, and size. They are available in round, square, hex, and flat shapes, as well as bright bars.

Stainless Steel 347H Black Round Bar
Stainless Steel 347H Black Round Bar
SS 347H Round Bar
SS 347H Round Bar
Stainless Steel UNS S34700 Round Bar
Stainless Steel UNS S34700 Round Bar

Stainless Steel 347/347H Round Bars Specifications

Specifications:ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479
Dimensions:EN, DIN, JIS, ASTM, BS, ASME, AISI
Stainless Steel 347/H Round Bars:Outside Diameter in the range of 4mm to 500mm
Stainless Steel 347/H Bright Bars:Outside Diameter in the range of 4mm to 100mm
Stainless Steel 347/H Hex Bars:18mm – 57mm (11/16″ to 2-3/4″)
Stainless Steel 347/H Square Bars:18mm – 47mm (11/16″ to 1-3/4″)
Stainless Steel 347/H Flats Bars:1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available
Length:1 to 6 Meters, Custom Cut Lengths
Form:Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Finish:Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Condition:Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

Stainless Steel 347/347H Round Bars Equivalent Grades

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
SS 347
S34700
1.4550
-
-
-
-
-
SS 347H
S34709
1.4961
-
-
-
-
-

347/347H Stainless Steel Round Bars Chemical Composition

Grade C Mn Si P S Cr N Ni OTHER
SS 347
0.08 max
2.0 max
1.0 max
0.045 max
0.030 max
17.00 – 20.00
-
9.00 – 13.00
Nb=10(C+N) - 1.0
SS 347H
0.04 – 0.10
2.0 max
1.0 max
0.045 max
0.030 max
17.00 – 19.00
-
9.0 -13.0
8xC min - 1.00max

Mechanical Properties of 347/347H Stainless Steel Round Bars

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
SS 347/347H
75 (515)
30 (205)
40
201
95

Physical Properties of SS 347/347H Round Bar

Density
LBM/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°FSpecific Heat BTU/LBM -°FModulus of Elasticity (annealed)2-psi
at 68 °Fat 68 – 212°Fat 68 – 1832°Fat 200°Fat 32 – 212°Fin tension (E)
0.2869.220.59.30.1228 x 106

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