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 No. 168 Qian Gao Road, Liangxi District, Wuxi City, Jiangsu Province, China

High Quality 321 Heat Resistance Stainless Steel Pipe for Chemical Equipment

  • 321
  • 7304

Quick Details

  • Standard: ASTM, AISI, DIN, EN, GB, JIS, BA,2B,No1,No.4,No.8,HL,8K,Brush

  • Place of Origin: Jiangsu, China (Mainland)

  • Model Number: 321

  • Type: Seamless Welded

  • Steel Grade: 300 Series

  • Application: Fluid, gas and oil transport,Construction

  • Certification: BV IBR ISO ROHS SGS

  • Thickness: 0.4-3.5mm

  • Outer Diameter: 4-129mm

  • Stock: yes

Packaging & Delivery

Packaging Details: woven bag, plastic wrapper and wooden packing or as your requirement
Delivery Detail: 7-15days


tp 321 stainless steel pipe
LG:As customer required
Material :304,304L, 316, 316L

High quality China factory price tp 321 stainless steel pipe

Detailed information

Name  tp 321 stainless steel pipe
Standard GB/T14975, GB/T14976, GB13296-91, GB9948 ,ASTM A312, ASTM A213,
ASTM A269, ASTM A511,JIS349,DIN17456, ASTM A789, ASTM A790, DIN17456,DIN17458, EN10216-5, JIS3459,GOST 9941-81
Material Grade 304, 304L, 316, 316L, 321, 321H, 310S, 347H,309.317.0cr18N9, 0Cr25Ni20
Outer Diameter 6mm to 710mm
Thickness 0.8mm - 40mm
Size OD (6-710) x (0.9-40) x MAX 13000mm
Tolerance under the ASTM A312 A269 A213 standard
under the ASTM A312 A269 A213 standard
under the ASTM A312 A269 A213 standard
Surface 180G, 320G Satin / Hairline(Matt Finish, Brush, Dull Finish)
Application Fluid and gas transport,decoration, construction,medical equipment, aviation,
boiler heat-exchanger and other fields
Test Flattening Test, Hydrostatic Test, Intergranular Corrosion Test, Flattening Test, Eddy Testing, etc
Customized other specifications according to customers' requirements
Delivery time up to the order quantity
Packing Bundled with knitted plastic bag, wooden cases or according to customers' request.
Mechanical Property Material Item   304 304L 304 316L Top Technology
Tensile Strength ≥520 ≥485 ≥520 ≥485
Yield Strength ≥205 ≥170 ≥205 ≥170
Extension ≥35% ≥35% ≥35% ≥35%

Hardness (HV)

<90 <90 <90 <90

Surface Finish

Surface Finish Definition Application
2B Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. Medical equipment, Food industry, Construction material, Kitchen utensils.
BA Those processed with bright heat treatment after cold rolling. Kitchen utensils, Electric equipment, Building construction.
NO.3 Those finished by polishing with No100 to No120 abrasives specified in JIS R6001. Kitchen utensils, Building construction.
NO.4 Those finished by polishing with No150 to No180 abrasives specified in JIS R6001. Kitchen utensils, Building construction, Medical equipment.
HL Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. Building Construction.
NO1 The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. Chemical tank, pipe.

Packaging & Transportation

Every round welded 201 / 304 stainless steel pipe is sleeved in plastic bag individually, and several tubes are packed to be bundle without any logo.also pack as customer requirement

Our promise

We insist " quality first, reputation foremost "If you have any problem please feel free to contact us! We primose to service you with the best product of the most reasonbale, all the time ,offer our best service.
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