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Polished Finish Stainless Steel Square Pipe , 321 Stainless Steel Tubing Hollow Type

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Polished Finish Stainless Steel Square Pipe , 321 Stainless Steel Tubing Hollow Type

Brand Name : JQ Changying SINOY

Model Number : 321

Certification : SGS, TUV, ISO

Place of Origin : China

MOQ : 1 ton

Price : Negotiable

Payment Terms : T/T , L/C, Western Union

Supply Ability : 2000 Tons per month

Delivery Time : 5-7days

Packaging Details : waterproof paper and steel strip reinforcement steel strip reinforcement,one package about 2.5 tons, 20' / 40'

Standard : ASTM A554 A312, JIS G3446, CNS5802

Surface Finish : polished , 240G, 320G, 400G, 600G, 800G,Mill finish

Wall thickness : 0.3-6mm

Size : 10x10-200x200

Shape : Hollow , square

Tolerance : Outer Diameter: +/- 0.2mm Thickness: +/- 0.02mm Length: +/- 5mm

Trade Term : Ex-Work, FOB, CNF, CFR, CIF, etc

FOB Port : Shanghai or as required

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321 Polished Finish Hollow Stainless Steel Square Pipe / Tube 80X80X3mm
Stainless steel square pipe is a hollow strip of steel, because the section is square, so it is called square pipe. A large number of pipelines are used to transport fluids, such as petroleum, natural gas, water, gas, steam, etc. In addition, when the bending and torsional strength are the same, the weight is lighter, so it is also widely used to manufacture mechanical parts and engineering structures.

PRODUCTION RANGE

SQUARE STEEL PIPE ; 10*10-200*200 MM

RECTANGULAR PIPE ; 20*40-300*500 MM

THICKNESS ; 0.3-6MM

LENGTH : 6M or as required

PRODUCTION TOLERANCE

  • THICKNESS; +/- 0.15MM
  • LENGTH; -0/+ 20MM
  • OD; +/- 1%

321 Stainless Steel square Pipe

CHEMICAL COMPOSITION

Element 321 321H
Chromium 17.00 min. –19.00 max 17.00 min.–19.00 max.
Nickel 9.00 min.–12.00 max. 9.00 min.–12.00 max.
Carbon 0.08 0.04 min.– 0.10 max.
Manganese 2 2
Phosphorus 0.045 0.045
Sulfur 0.03 0.03
Silicon 0.75 0.75
Titanium 5 x (C + N) min.–0.70 max. 4 x (C + N) min.–0.70 max.
Nitrogen 0.1 0.1
Iron Balance Balance

Mechanical Properties

Yield Strength
0.2% Offset		 Ultimate Tensile
Strength		 Elongation
in 2 in.		 Hardness
psi(min.) (Mpa) psi(min.) (Mpa) %(min.) (max.)
30,000 205 75,000 515 40

217 Brinell

How Can You Ship Goods Like Heavy welded Stainless Steel pipe. What Is Best Pacakge?

  • Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
  • We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
    • Waterproof paper reinforcement of steel strip
    • Kraft paper
    • Carton boxes
    • Wooden pallets
    • Wooden boxes
    • Wooden crates

Polished Finish Stainless Steel Square Pipe , 321 Stainless Steel Tubing Hollow TypePolished Finish Stainless Steel Square Pipe , 321 Stainless Steel Tubing Hollow Type

Marking

  • We mark all our products with entire details which are connected to the test certificates we provide.
  • Surface is sprayed with code.

  • We have our own machines to help our partner. Can spray grade, size, and standard.

    . Drop on demand

    . Continue ink jet printer

    . Laser printer

What Are Your Advantages?-SINO Stainless Steel

  • 1) We can process to different finish you request.(2B,BA ,Hairline, No.4,Brush,Mirror,Golden Mirror,color stainless steel.

  • 2) 2000 Tons/Month, high production capability will short your wait time.

  • 3) MTC provided before shipment after order.

  • 4) First quality with reasonable price.Second quality lower than Stainless steel market

  • 5) Buyer's Specification Accepted.Laser cutting of stainless steel,Weled of stainless steel pipe,surface treatment of stainless steel

  • 6) Some regular Stainless steel sheet/coil/pipe/bar for client urgent request.

Stainless Steel Square Pipe

Writen Thickness 0.60 0.70 0.80 0.90 1.00 1.20 1.50 2.00 2.50 3.00 3.50 4.00 4.50
Actual Thickness 0.32 0.40 0.50 0.60 0.70 0.90 1.10 1.40 1.90 2.40 2.90 3.40 3.90
Size Weight(kg/m)
10X10 x
12.7X12.7 x
15X15
19X19 x
20X20 x
22X22 x
25X25 x
28X28
30X30 x
36X36 x
38X38
40X40 x
50X50 x
60X60
80X80 x
100X100
120X120 x
150X150 x


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