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ASTM A312 TP347H Seamless Stainless Steel Pipes DN250 SCH80

  • FOB PriceUSD 8,00- 30,000/Piece
  • PortNingbo or Shanghai Port
  • MOQ1 Piece/Ton
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery7- 20 days

Detailed description

Quick Details

  •  Thickness: SCH80
  •  Place of Origin: Zhejiang, China (Mainland)
  •  Technique: ERW
  •  Surface Treatment: Pickled, 2B, etc
  •  Material: TP347H Stainless Steel
  •  Standard: ASTM
  •  Type: Stainless Steel Pipes
  •  Size range: DN250 (10 Inch)
  •  Brand Name: Yaang

Packaging & Delivery

Packaging Detail: Standard export packing or as per request
Delivery Detail: 7 - 20 days

Specifications

ASTM A312 TP347H Seamless Stainless Steel Pipes

1. SEAMLESS

2. thickness: SCH80

3. Size: DN250

China Stainless Steel Pipes Manufacturer Yaang offers ASTM A312 TP347H Seamless Stainless Steel Pipes, DN250, SCH80.

Alloy 347 stainless steel are austenitic stainless steels that contain stabilizing elements. This alloys is easily welded. Annealing may not be required after welding unless stress relief is desired. 347 stainless steel has excellent resistance to oxidation and corrosion. With high creep strength, 347 stainless steel work best up to 1600 °F. The addition columbium plus tantalum in 347 stainless steel give some desired characteristics like:

  • Prevents harmful carbide precipitation in the heat affected zone (HAZ) of the weld area
  • Imparts substantial immunity to intergranular corrosion
  • Reduced embrittlement in the HAZ of the weld area

SPECIFICATIONS OF STAINLESS STEEL 347/347H SEAMLESS PIPES :
Specification : ASTM A312/ASME SA213 / A249 / A269 / A312 / A358 CL. I to V
Dimensions : ASTM, ASME and API
Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB
Length : Single Random, Double Random & Required Length
Size : 1/8" NB to 72" NB & 1mm OD to 1500mm OD
Thickness: 0.3mm to 100mm,SCH 5, SCH 10, SCH 20, SCH 30, SCH 40,SCH STD, SCH 60, SCH 80,SCH XS, SCH 100, SCH 120 SCH 140 SCH 160,SCH XXS.
Types : Seamless, Welded, ERW, Boiler tubes, Capillary, Fabricated, Corrugated, Conduit & Large Diameter Pipes.
Form : Round pipes/tubes, Square pipes/tubes, Rectangle pipes/tubes, Coiled tubes, Hydraulic tubes, Ep pipes/ tubes, etc.
End : Plain end, Beveled end, Threaded end & Conduit
 

GRADE SPECIFICATIONS OF STAINLESS STEEL 347/347H SEAMLESS PIPES :

Stainless Steel Tradename UNS no. Werkstoff No.
347 321 Stainless S34700 1.4550
347H 347H Stainless S34709 1.4961

 

CHEMICAL COMPOSITION OF STAINLESS STEEL 347/347H SEAMLESS PIPES :

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 347/347H SEAMLESS PIPES :

Grade Tensile Strengtd ksi (MPa) min Yield Strengtd 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 STAINLESS STEEL 347/347H SEAMLESS PIPES :

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


Application:

  • Food processing equipment, particularly in beer brewing, milk processing & wine making.
  • Kitchen benches, sinks, troughs, equipment and appliances
  • Architectural panelling, railings & trim
  • Chemical containers, including for transport
  • Heat Exchangers
  • Woven or welded screens for mining, quarrying & water filtration
  • Threaded fasteners
  • Springs
  • Others

347 and 347H stainless steel is common in the petroleum refining industries. Alloy 347 and 347H stainless steel is used to make radiant superheaters, boiler tubes, high pressure steam pipe, and general refinery piping. They are also used for heavy-duty exhaust systems and manifolds.

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Tel No:+86-18267732328 / Fax No :86-0577-56809281 / Email:sales@yaang.com
Address:Longwan District, Wenzhou, Zhejiang Province, China.

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