A213 A249 TP202 Stainless Steel Tube

TP202 stainless steel and tp304 stainless steel belongs to the same austenitic structure, non-magnetic, the biggest difference lies in the content of the chemical element nickel, therefore, the two in the performance and price of a certain difference.
In general, to distinguish between tp202 stainless steel and tp304 stainless steel, we use the following methods.
First, observation and touch: close observation of the surface of stainless steel, 304 stainless steel color saturation bright, tp202 stainless steel color dark, color saturation is low; touch feeling, 304 feel smooth, tp202 feel a little rough.
Second, chemical identification method: buy professional stainless steel material identification potion, drop on the surface of stainless steel, by showing the color contrast color card, to determine the stainless steel material.
Third, the friction spark identification method: stainless steel will be placed on the high-speed rotating sander for friction, stainless steel friction sparks will be produced because of the composition of different trace elements and produce differences in the number of sparks, the shape of the shape of the fork and so on to identify the approximate content of the chemical composition.

ASTM A213 ASME SA213 202 Stainless Steel Seamless Tube

UNS:S20200

Chemical Composition: C:≤0.15; Mn:7.5-10.0 ;Si:≤1; P:≤0.060; S:≤0.03; Cr:17-19; Ni:4-6; N:0.25

Size: 6.35 - 101.6 mm OD

Length : Single Random, Double Random & Cut Length.

End : Plain End, Beveled End, Treaded

Density:7.8 g/cm3

Tensile Strength:515

Yield Strength (0.2%Offset): 275

Elongation: 40 %

Schedule : SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS

Wall Thickness : Schedule 5S - Schedule XXS.

Type: Round, Square, Rectangle, Coil, "U" Shape, Heat exchanger, Hydraulic & Honed Tubes Tubing

ASTM A249 TP202 Stainless Steel Tube

UNS: S20200

Chemical Composition: C:≤0.15; Mn:7.5-10.0 ;Si:≤1; P:≤0.060; S:≤0.03; Cr:17-19; Ni:4-6; N:0.25

Size: 1/8" NB to 5" NB, 1/4" OD to 5" OD 

Length: Up to 6 meters, custom cut lengths

Tensile Strength (MPa) min:515

Elongation: 40%

Yield Strength: 275MPa

Density: 7.8g/cm3

Elastic Modulus :190-210GPa

Poisson's Ratio: 0.27-0.30

High Temperature: 800 ℃

Type: Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

ASTM A213 Grade 202 Stainless Steel Pipes

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