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Wenzhou Zhongyuan Steel Industrial Co.,Ltd
HAINER STEEL INDUSTRIAL CO.,LTD Products: ASTM , JIS, BS, Seamless Pipes/Tubes,Pipe Fittings ( Elbow,Tee, Reduce) Steel Sheets,Boiler & Heat Exchanger Tube ... Materials: 904L,2205,310S,316L,316Ti
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Tp304 TP304L Seamless Steel Stainless Pipe ASTM A312 ASTM A213

Tp304 TP304L Seamless Steel Stainless Pipe ASTM A312 ASTM A213

Brand Name : Cosco Steel
Model Number : Tp304,Tp304L,Tp316L,Tp310s,904L
Certification : SGS,ISO,BV etc
Place of Origin : China
MOQ : 1Ton for one size
Supply Ability : 600Tons/Month
Delivery Time : 5-8 Weeks
Packaging Details : Standard export packing
Material : 304,304L,316L,904L,310S
Finish : Hot-finished,Cold-finished
Delivery time : 25-30Days for quantity 25Tons
Size : 6mm - 630mm
Thickness : 1mm - 30mm
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Detailed Product Description

Tp304 Tp304L Seamless Steel Stainless Pipe ASTM A312,ASTM A213

Quick Detail:

Standard Specification

ASTM A312,A213



Outer Diameter

6mm to 630mm

Wall Thickness

1mm to 30mm


Max 16000mm



Delivery condition

Hot-finished or Cold-finished


  1. Product Item No.: 0021smls-Cosco Steel
  2. Size DN(in): 1/8” to 20” According to ANSI B36.1, B36.19M
  3. Wall Thickness: From Sch5s to XXS
  4. Length of pipe: Single Random, Double Random,20Feet etc.
  5. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
  6. Packing: Pipe cap both end,plastic bag in bundle
  7. H.S Code: 7304419000
  8. Material:

1Cr18Ni9(304H), 00Cr19Ni10(304L), 1Cr18Ni9Ti(321), 0Cr17Ni12Mo2(316)

00Cr17Ni14Mo2(316L), 0Cr18Ni12Mo2Ti(316Ti), 0Cr19Ni13Mo3(317)

00Cr19Ni13Mo3(317L), 0Cr25Ni20(310S), 1Cr19Ni11NB(317H)


China Standard GB13296-2007, GB/T14976-2002, GB/T14975-2002, GB/T12771-2008

U.S.A Standard ASTM A312/A312M, ASTM A213/A213M, ASTM A269/A269M

Germany Standard DIN2462, DIN17456

Japanese Standard JIS G3463, JIS G3459


We,this type seamless steel pipe be widely used in kinds of industries:

  1. Petroleum,Chemical industry,Environment protection equipment,
  2. Medical equipment,Shipbuilding industry,Paper making factory,
  3. Electric power plant,Pollution discharging project etc.


Designation: A312/A312M-04a

Standard specifications For Seamless,Welded,And Heavily Cold Worked Austenitic

Stainless Steel Pipe

This specification covers

Seamless,straight-seamless welded,

and heavily cold worked austenitic stainless steel pipe

Manufacture Process

Seamless (SML) Pipe

Diameter Tolerance


Permitted Variations In

Wall Thickness

Tolerance,% from Nominal

NPS Designator Over Under

1/8 to 21/2 inc., all t/D ratios 20 12.5

3 to 18 inc., t/D up to 5% incl. 22.5 12.5

3 to 18 inc., t/D over 5% 15 12.5

20 and larger,welded,all t/D ratios 17.5 12.5

20 and larger,seamless,t/D up to 5% incl. 22.5 12.5

20 and larger,seamless,t/D over 5% 15 12.5

Where: t = Nominal Wall Thickness

D = Ordered Outside Diameter

Inspection item


2.Surface of Pipe;

3.Chemical Composition;

4.Mechanical Testing

5.Hydro-static Or Nondestructive Electric Test

6.ICT(Inter-granular Corrosion Test) etc.

Ordering Information

  • Quantity(feet,meters, or number of lengths)
  • Steel Grade
  • Size(outside diameter,nominal wall thickness,length)
  • Test report requirements etc.

Our advantage

  1. Competitive price with good quality
  2. Soonest delivery days (Big enough stock 304L Seamless Pipe in warehouse)
  3. Good quality control system
  4. Good after sales services
  5. Good package

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Tp304 TP304L Seamless Steel Stainless Pipe ASTM A312 ASTM A213 Images

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