ASTM A312 TP 321 Stainless Steel Seamless Pipe
ASTM A312 Tp321 stainless steel grade also known as UNS S32100 is a titanium stabilized alloy. 321 stainless steel pipe has good toughness even at lower temperatures.
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ASTM A312 TP 321 SS Seamless Pipe
ASTM A312 TP 321 Stainless Steel Seamless Tube Description
Stainless Steel 321 grade is an austenitic steel product grade. Stainless Steel 321 Pipes are designed with a premium chemical composition consisting of chromium and nickel while stabilized by titanium. These pipes offer superior strength and can be used in a range of corrosive and reducing media. 321 stainless steel pipes can be used between 538 and 870 degrees Celsius. They have a minimum tensile strength of 515mpa and a minimum yield strength of 205mpa. SS 321 grade pipes can easily elongate up to 40% and have a hardness of up to Rockwell 95 HRB.
ASTM A312 TP 321 Stainless Steel Pipe Specification
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Product Name
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ASTM A312 TP321 Stainless Steel Seamless Pipe | |||
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Standard
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ASTM AISI JIS DIN BS GB EN
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Grade
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Thickness
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0.4-50 mm
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Length
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1-12 m
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Outer Diameter(OD)
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10-2000mm
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Tolerance
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a)Diameter:+/-0.2mm
b)Thickness:+/-0.02mm
c)Length:+/-5mm
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Certificate
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ISO, SGS
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Surface
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Polishing,annealing,mirror,bright,pickeling
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Shape:
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round, square, rectangular, irregular
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Application
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medical treatment, petroleum, aerospace, medical equpment, air conditioning,chemical industry, electronics, accessories, food, machinery, power generation, pharmaceutical
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Packing
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in bundle with waterproof material,wooden cases
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Chemical Composition Of ASTM A312 Tp 321 Stainless Steel Exhaust Pipe
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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321 |
min. |
– |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 |
– |
9.0 |
0.10 |
Ti=5(C+N) |
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321H |
min. |
0.04 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 |
– |
9.0 |
– |
Ti=4(C+N) |
Mechanical Properties Of ASTM A312 TP 321 seamless ss pipe
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Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
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|---|---|---|---|---|---|
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Rockwell B (HR B) max |
Brinell (HB) max |
||||
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321 |
515 |
205 |
40 |
95 |
217 |
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321H |
515 |
205 |
40 |
95 |
217 |
Physical Properties Of ASTM A312 TP 321 SS Pipe
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Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (m/m/0C) |
Thermal Conductivity (W/m.K) |
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|---|---|---|---|---|---|---|---|
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0-1000C |
0-3150C |
0-5380C |
at 1000C |
at 5000C |
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321 |
8027 |
193 |
16.6 |
17.2 |
18.6 |
16.1 |
22.2 |
Grade Specifications For 321 Stainless Steel Pipes & Tubes
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Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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|---|---|---|---|---|---|---|---|
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BS |
En |
No |
Name |
||||
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321 |
S32100 |
321S31 |
58B, 58C |
1.4541 |
X6CrNiTi18-10 |
2337 |
SUS 321 |
|
321H |
S32109 |
321S51 |
– |
1.4878 |
X10CrNiTi18-10 |
– |
SUS 321H |
ASTM A312 TP321 Seamless Pipe
Company Profile
GNEE Steel Pipe is a professional manufacturer specializing in the research, development, production, sales and service of stainless steel pipe and tube, carbon steel pipe and tube, alloy steel pipe and tube and so on. We are located in Anyang, Henan Province with convenient transportation. GNEE has been engaged in the steel pipe market for more than 15 years and has rich production experience. We are a company integrating production and operation. The main markets of our company: Indonesia, Singapore, Vietnam, Malaysia, Philippines, Chile, Mexico, Israel, Spain and so on.
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