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312 TP304/304L/TP321/321H Stainless Steel Welded Pipes

  • FOB PriceUSD 800 - 30,000/Piece
  • PortNingbo or Shanghai
  • MOQ0.5 Tons
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union
  • PackagingSeaworthy plywood cases or pallets
  • Delivery2 - 15 days

Detailed description

Quick Detail:

      Name312 TP304/304L/TP321/321H Stainless Steel Welded Pipes

      Place of OriginZhejiang, China (Mainland)      Brand NameYaang

      ShapeStainless Steel Welded Pipes                 Material: Stainless Steel

      Steel Grade304L, TP304, TP316L, TP321321H ....


Packaging & Delivery

Packaging Detail: according to customer's require or export's standard
Delivery Detail: 2 - 15 days after confirmation


Specifications:

Stainless Steel Welded Pipes

Outside Diameter: 2 - 680mm or as your requirement

Wall Thickness: 0.5mm - 50mm

ASTM A249/A249M - 10a Standard Specification for Welded Austenitic Steel Boiler, Superheater, 

Heat - Exchanger, and Condenser Tubes 

ASTM A269 - 10: Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing 

for General Service 

ASTM A312/A312M - 12: Standard Specification for Seamless, Welded, and Heavily Cold Worked 

Austenitic Stainless Steel Pipe

ASTM A358/A358M - 08a: Standard Specification for Electric - Fusion - Welded Austenitic Stainless Steel Pipe

ASTM A778 - 01 (2009)e1: Standard Specification for Welded, Unannealed Austenitic Stainless Steel Pipe Products 

ASTM A789/A789M - 10a: Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Tubing for General Service 

ASTM A790/A790M - 11: Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Pipe 

Others like BS, JIS, DIN, EN, GOST standard we all can supply.

 

 

312 TP304/304L/TP321/321H Stainless Steel Welded Pipes
Material

TP304,TP304L,TP304H,TP304/304L,TP316,TP316L,

TP316/316L,TP310,TP317, TP317L,TP321,TP321H,TP347,TP347H,

S31803,S32205(Duplex),904L etc

Technique  Cold Rolled, Cold Drawn, Hot Rolled
Standard ASTM,AISI,GB,DIN
Thickness

0.5mm - 50mm

OD 2 - 680mm or as your requirement
Length  as your requirement
Surface Treatment Annealed, Pickled, Polished
Tolerance

a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Application range
Used for solid such as powder, clastic and granular objects
Used in gas medium
Used in industrial dust removal and pumping equipment, air conditioning and ventilation system  
Used as durable protection tube
Used in the manufacture of machinery parts and engineering structures
For a variety of conventional weapons, gun, ammunition

 More Products

 

Stainless steels can generally be categorized into 7 categories:

 

Ferritic Stainless Steels

 

  • Chromium is their major alloying element
  • Ductility and formability less than austenitic grades
  • Magnetic
  • Highly corrosion resistant, less durable than austenitic
  • Cannot be hardened by heat treatment
  • Contain between 10.5%-27% chromium and very little nickel
  • Common grades: part of the 400 series like 409, 410S, 430

 

Austenitic Stainless Steels

 

  • Comprise of 70% of total stainless steel production
  • Hardenable by cold working
  • Usually non-magnetic
  • High hardness and yield strength
  • Contain a maximum of 0.015% carbon, minimum of 16% chromium and sufficient nickel and/or manganese
  • Superaustenitic stainless steels (AL-6XN and 254 SMO)  have great resistance to chloride pitting and crevice corrosion
  • Common grades: 300 series like 304, 316, 320, 321, 347,309

 

Martensitic Stainless Steels

 

  • Highly machinable
  • Very strong and tough
  • Can be hardened by heat treatment
  • Magnetic
  • Contains chromium (12-14%), molybdenum (0.2-1%), nickel, (0 - < 2%), carbon (0.1 - < 1%)
  • Common grades: 410, 420, 440

 

Duplex Stainless Steels

 

  • Often divided into 3 sub classes
    • Lean Duplex
    • Standard Duplex
    • SuperDuplex
  • Mixed microstructure of austenite and ferrite about a 50/50 mix
  • Higher strength and better stress corrosion cracking resistance than most austenitic alloys
  • Greater toughness than ferritic alloys, especially at low temperatures
  • Good resistance to localized corrosion, particularly pitting, crevice corrosion and stress corrosion cracking
  • Common grades: 2205 and 2507

 

Precipitation-Hardening Martensitic Stainless Steels        

 

  • Designed to be formable in the solution annealed condition
  • Can be hardened by heat treatment
  • Contain chromium and nickel as major alloying elements
  • Corrosion resistance is usually better than that of straight chromium ferritics
  • Most common grade is 17-4PH

 

Superaustenitic Stainless Steels

 

  • Same structure as austenitic alloys
  • Enhanced levels of elements like chromium, nickel, molybdenum, copper and nitrogen
  • Superior strength and corrosion resistance
  • Common Grades: AL-6XN and 254 SMO

 

Superferritic

 

  • Structure and properties similar to ferritic alloys
  • Enhanced levels of chromium and molybdenum
  • Increased resistance to high temperatures and corrosive environments like seawater
If any inquiry about products, please feel free to contact us sales@yaang.com

Related products:More>>

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

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