This particular property enhances the resistance of alloys to intergranular corrosion, especially during intermittent heating in the general temperature range of 800°F to 1650°F (427°C to 899°C). These Stainless Steel 347H Pipes & Tubes are available in a variety of types, such as seamless, welded, and electropolished. These types of products are manufactured by using highly and fully met/locale-industrial grade techniques so that the products can easily cater to the demands of industries. Out of all these Stainless Steel 347H Electropolished Pipes, they yield a refined finish at the surface and exert superior corrosion resistance, which is why they are ideally used in sanitary and high-purity environments.
We are leading Suppliers and Stockists of Stainless Steel 347H Pipes & Tubes. We offer to our customers a wide range of sizes, shapes, and finishes according to their requirements. Our product ranges include smooth finish pipes, sanitary tubes, electropolished tubes, superior performance, and high durability. While Stainless Steel 347H Smooth Finish Pipes and Tubes are produced with the goal of serving high-surface-finish applications, the Stainless Steel 347H Electropolished Tubes will help in serving requirements that demand a cleaner component with better resistance to contamination.
The pipes and tubes of Stainless Steel 347H keep on surprising with versatility in applications. They have high resistance to atmospheric corrosion and moderately oxidizing and reducing environments. This therefore makes them ideal for use in sectors as diverse as chemical processing, petrochemicals, aerospace, and marine applications. With the addition of molybdenum, 347H is more resistant to general and chloride-induced pitting, thereby expanding the range of potential uses for these alloys.
347H Stainless Steel Pipes and Tubes Equivalent Grades
STANDARD | UNS | WNR. | EN | JIS | GOST |
---|---|---|---|---|---|
SS 347 | S34700 | 1.4550 | X6CrNiNb18-10 | SUS 347 | 08Ch18N12B |
SS 347H | S34709 | 1.4961 | X6CrNiNb18-12 | SUS 347H | - |
Specification of Stainless Steel 347H Seamless Welded Pipes And Tubes
Stainless Steel Pipe Specification : ASTM A312, A358 / ASME SA312, SA358
SS Tube Specification : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2" OD to 8" OD.
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type : Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request
Chemical Alloyion of Stainless Steel 347H Seamless Pipes And Tubes
Element | 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 Stainless Steel 347H Seamless Pipes and Tubes
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 |
---|---|---|---|---|---|
347H |
75 (515) |
30 (205) |
40 | 201 | 95 |
Physical Properties of 347H Stainless Steel Pipes And Tubes
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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