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Carbon Steel Pipes & Stainless Steel Seamless Pipes Manufacturers - Seamless Pipes Manufacturers! Call Us +918928722715 | Email Us - sales@metallicametals.com

Top SS 347/347H Seamless Pipe Distributor in India

///SS 347/347H Seamless Pipe Distributor

SS 347/347H Seamless Pipe Distributor

520.00

Our general average selling price for stainless steel 347/347H (1.4550/1.4961, UNS S34700/S34709) seamless pipes is Rs. 520/kg. However, bigger sizes (above 4″) and small size (below 11/2) are sold at slight premium, due to higher cost of production. In any case, at Metallica, we guarantee you lowest prices from our stock of over 300 tons in stainless steel 347/347H seamless pipes.

  • If you are interested in purchasing high quality ss 347/347H seamless pipes, please contact us now for prices and product details. We guarantee lowest prices for stainless steel 347/347H seamless pipes in India. Email Us on sales@metallicametals.com | Call Us On +918928722715
  • Available on sale high quality stainless steel 347/347H seamless pipes as per ASTM A312, ASTM A213, ASTM A249 and ASTM A269 – Size Range of 1/8” to 24” (10.3mm to 610mm)

One of the biggest SS 347/347H seamless pipes distributor in India. Stainless steel 347/347H seamless pipes supplied by us, are widely used for manufacturing furnaces, burners, kilns, annealing equipments, combustion chambers, thermo wells, gas turbines, and equipment for handling high temperatures. SS 347/347H seamless pipes are stocked and delivered to our customers in annealed and pickled condition in size range of 6mm OD upto 24″ OD in thickness upto 30mm. AISI 347/347H stainless steel seamless pipes are stocked in 5.5 to 6.5 MTR  or custom lengths.

Grade 347/347H
Type Seamless
Size 6mm OD to 600 OD
Thickness 1mm to 20mm
Specification ASTM A213, ASTM A312
Technique Hot Rolled, Cold Rolled
Price (INR/Kg) 520 to 800
Delivery Immediate

Description

SS 347/347H Seamless Pipe Wholesale Price Distributors!

Why Buy AISI 347/347H, 1.4550/1.4961, UNS S34700/S34709 Seamless Pipes from Metallica Metals?

  • Large Scale Enterprise – Metallica is biggest stock holding, manufacturing and processing company of SS 347/347H seamless pipes in India. Our large volume production, sales and purchase enables us to offer our products at the most competitive prices in the industry.
  • Testing of Stainless Steel 347/347H Seamless Pipes– All SS 347/347H seamless pipes are subjected to hydrostatic test, eddy current test, chemical and mechanical tests during the various stages of production.
  • Marking & Packing of Stainless Steel 347/347H Seamless Pipes – Marking on all pipes is as per the predefined rules in the specification.
  • Test Certificates & Inspection of SS 347/347H Seamless Pipes – All our pipes are supplied with Mill test Reports, as per EN 10204 3.1. We can also allow third party inspection of all our products before delivery.
  • We have own QC team to control the quality to meet particular standard strictly
  • Short Lead Times – We can offer AISI 347/347H, 1.4550/1.4961, UNS S34700/S34709 seamless pipes with shortest delivery time.
  • We can produce either standard or non-standard of the stainless steel 347/347H seamless pipes.

What is 347/347H Stainless Steel?

Type 347 is a niobium stabilized chromium nickel austenitic stainless steel with corrosion resistance similar to 304/304L. 347 stainless steel is a columbium/tantalum stabilized austenitic chromium-nickel stainless steel. This grade is typically used in the 800-1500˚F temperature range where it is stabilized against chromium carbide precipitation by the addition of niobium, which results in the precipitation of niobium carbides. Type 347 has excellent intergranular corrosion resistance after exposure to this temperature range, and this grade resists oxidation up to 1500˚F and has higher creep and stress rupture properties than 304/304L. It also possesses good low temperature toughness and is non-magnetic in the annealed condition. This material is stabilized against chromium carbide formation by the addition of columbium and tantalum. Since these elements have a stronger affinity for carbon than chromium, columbium-tantalum carbides precipitate within the grains instead of forming at the grain boundaries.  347 is non-magnetic.

Stainless Steel 347H is another stainless steel in a class of metals labeled of precipitation-hardened steels. It possesses many of the same properties and characteristics of stainless steel 347. In addition to its higher carbon content, the alloy is stabilized with an addition of columbium, or sometimes tantalum. Both these properties allow 347H to be exposed to higher temperatures than both 347 and the 304 stainless steel grades can withstand. Because of its elevated resistance to corrosion, 347H is often applied in high stress, high corrosion environments where exposure tends to be severe. High temperature manufacturing, steam pipes, boiler tubes, chemical processes and steam servicing all benefit from 347H’s resilience. This resilience in turn is due to the potentially elevated levels of chromium in 347H’s composition. The metal can contain anywhere from 4-30%.
The metal displays high workability under most common welding techniques. It can be treated with heat, however, it will not respond. Only cold working is sufficient to increase 347H’s toughness and strength.

Manufacturing Range for Stainless Steel 347/347H, 1.4550/1.4961, UNS S34700/S34709 Seamless or Welded Stainless Steel Pipes

Product ASTM A312 TP347/TP347H, 1.4550/1.4961, UNS S34700/S34709 Stainless Steel Pipes
Specification ASTM A312 / A312M Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
Type Seamless & Welded
Size Range Size: 1/8” to 24” (10.3mm to 610mm) – Seamless
Size:1/8” to 36” (10.3mm to 914mm) – Welded
1/8” OD to 6” OD
Thickness 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH
Wall Thickness: 1mm to 60mm
Length 6 Meter, Custom Lengths
Other Grades TP304, TP304L, TP304LN, TP316, TP316L, TP316LN, TP317, TP317/317L, TP321, TP347, TP310S
Test Certificates Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
ASTM Reference Standards
  • A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels.
  • A370 Test Methods and Definitions for Mechanical Testing of Steel Products.
  • A480 A480M Specification for general requirements for Flat-rolled stainless and Heat-Resisting steel plate, sheet, and strip.
  • A632 Specification for Seamless and welded austenitic stainless-steel tubing (small-diameter) for general service.
  • A1016 A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes.
  • E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Testing Mechanical Testing Such as Tensile of Area, Hardness Test, Chemical Analysis – Spectro Analysis, Positive Material Identification – PMI Testing, Flattening Test, Micro and MacroTest, Pitting Resistance Test, Flaring Test, Intergranular Corrosion (IGC) Test
Documents Commercial Invoice, Packing List, Certificate of Origin, Fumigation Certificates, Raw Material Test Reports, Material Traceability Records, Quality Assurance Plan (QAP), Heat Treatment Charts, Test Certificates certifying NACE MR0103, NACE MR0175, Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Guarantee Letter, NABL approved Laboratory Test Reports

Chemical Composition of ASTM A312 TP347/TP347H, 1.4550/1.4961, UNS S34700/S34709 Seamless or Welded Stainless Steel Pipes

ELEMENT 347 347H
NI 17.0 – 20.0 17.0 – 19.0
C 0.08 max 0.04 – 0.10
MN 2.0 max 2.0 max
P 0.045 max 0.045 max
S 0.030 max 0.030 max
SI 1.0 max 1.0 max
CR 17.0 – 19.0 17.0 – 19.0
NB 10xC – 1.10 8xC – 1.10

Physical Properties ASTM A312 TP347/TP347H, 1.4550/1.4961, UNS S34700/S34709 Seamless or Welded Stainless Steel Pipes

Units Temperature in °C
Density 7.97 g/cm³
Specific Heat 0.12 Kcal/kg.C
Melting Range 1398 – 1446 °C
Modulus of Elasticity 193 KN/mm²
Electrical Resistivity 72 µΩ.cm
Coefficient of Expansion 16.0 µm/m °C
Thermal Conductivity 16.3 W/m -°K
Annealed 1040 – 1100 (°C) / 1900 – 2000 (°F)
Quenched Rapid Air/Water

Mechanical Properties ASTM A312 TP347/TP347H, 1.4550/1.4961, UNS S34700/S34709 Seamless or Welded Stainless Steel Pipes

Tensile Strength (ksi) 0.2% Yield Strength (ksi) Elongation% in 2 inches
75 30 40

Other Grades Chemical Composition Comparision

Grade UNS Composition, % in Max.
Designation C Mn P S Si Cr Ni Mo N
TP304 S30400 0.08 2 0.045 0.03 1 18.0–20 8.0–11 . . . . . .
TP304L S30403 0.035 2 0.045 0.03 1 18.0–20 8.0–13 . . . . . .
TP304LN S30453 0.035 2 0.045 0.03 1 18.0–20 8.0–11 . . . 0.10-0.16
TP316 S31600 0.08 2 0.045 0.03 1 16.0–18 10.0–14 2.00–3 . . .
TP316L S31603 0.035 2 0.045 0.03 1 16.0–18 10.0–15 2.00–3 . . .
TP316LN S31653 0.035 2 0.045 0.03 1 16.0–18 10.0–13 . . . 0.10-0.16
TP317L S31700 0.035 2 0.045 0.03 1 18.0–20 11.0–15 3.0–4 . . .
TP321 S32100 0.08 2 0.045 0.03 1 17.0–19 9.0–12 . . . . . .
TP347 S34700 0.08 2 0.045 0.03 1 17.0–19 9.0–13 . . . . . .

Other Grades Mechanical Properties Comparision

Grade UNS Designation Tensile Strength, Min. Ksi [MPa] Yield Strength, Min. Ksi [MPa]
TP304 S30400 75 [515] 30 [205]
TP304L S30403 70 [485] 25 [170]
TP316 S31600 75 [515] 30 [205]
TP316L S31603 70 [485] 25 [170]
TP317L S31703 70 [485] 25 [170]
TP321 S32100 75 [515] 30 [205]
TP347 S34700 75 [515] 30 [205]
TP347H S34709 75 [515] 30 [205]

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