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Stainless Steel Tubes

Home » Products » Stainless Steel Tubes » Big Diameter Cold Drawn Seamless Steel Tube and Pipe

Big Diameter Cold Drawn Seamless Steel Tube and Pipe
  • The name :

    Big Diameter Cold Drawn Seamless Steel Tube and Pipe

  • Product Description
  • Minimum Order Quantity: 5MT
    Payment Terms: T/T or L/C
    Delivery Time: FOB, CFR, CIF are workable
              30-60 days according detail PO quantity.
  • Model :
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Instruction

Big Diameter Seamless Steel Tube can be produced according to technical standard of DIN17458 Seamless Circular Austenitic Stainless Steel Tubes subject to special requirements for construction of pressure vessel,chemical plant and pipework.
It is produced by cold drawn process, so it is also called cold drawn seamless tube or cold drawn pipe.

TABLE 1 Amounts by which the chemical composition in the product analysis may deviate from the limit values specified for the cast analysis

Element Limit values specified for the cast analysis as in table 1 % by mass Permissible deviations① % by mass
Carbon C ≤0.030 ﹢0.005
>0.030   ≤0.08 ﹢0.01
Silicon(Si) ≤1.0 ﹢0.05
Manganese(Mn) ≤2.0 ﹢0.04
Phosphorus(P) ≤0.045 ﹢0.005
Sulfur(S) ≤0.030 ﹢0.005
Nitrogen(N) ≤0.22 ±0.01
Chromium(Cr) ≥16.5    ≤20.0 ±0.20
Molybdenum(Mo) ≥2.0     ≤5.0 ±0.10
Nickel(Ni) ≥8.5     <10.0 ±0.10
≥10.0    ≤15.0 ±0.15
Niobium(Nb) ≤1.00 ±0.05
Titanium(Ti) ≤0.80 ±0.05

①If several product analyses are carried out for a single cast and if these elements show contents for a single element outside the range specified for the cast analysis,this content shall either exceed the permissible maximum content or be below the permissible minimum content,but not both at the same time for one cast.

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