ASTM A312 TP 321 Stainless Steel Seamless Pipe Grade and Specification
- Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
- Sizes (Seamless): 1/2" NB - 24" NB
- Sizes (ERW):1/2" NB - 24" NB
- Sizes (EFW): 6" NB - 100" NB
- Wall Thickness available:Schedule 5S - Schedule XXS (heavier on request)
- Other Materials Testing:NACE MR0175, H2 SERVICE, OXYGEN SERVICE, CRYO SERVICE, etc.
- Dimensions:All Pipes is manufactured and inspected/tested to the relevant standards including ASTM, ASME and API etc.
- Tubing Size : 1/8"NB TO 30"NB IN
- Specialized in : Large Diameter Size
- Tubing Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
- Tubing Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
- Form : Round, Square, Rectangular, Hydraulic Etc.
- Length : Single Random, Double Random & Cut Length.
- Tubing End : Plain End, Beveled End, Treaded.
ASTM A312 TP 321 Stainless Steel Seamless Pipe Available Size
NB SIZES |
SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|---|---|---|---|---|---|
1/8″ |
√ |
√ |
√ |
√ |
√ |
1/4″ |
√ |
√ |
√ |
√ |
√ |
3/8″ |
√ |
√ |
√ |
√ |
√ |
1/2″ |
√ |
√ |
√ |
√ |
√ |
3/4″ |
√ |
√ |
√ |
√ |
√ |
1″ |
√ |
√ |
√ |
√ |
√ |
1 1/4″ |
√ |
√ |
√ |
√ |
√ |
1 1/2″ |
√ |
√ |
√ |
√ |
√ |
2″ |
√ |
√ |
√ |
√ |
√ |
2 1/2″ |
√ |
√ |
√ |
√ |
√ |
3″ |
√ |
√ |
√ |
√ |
√ |
4″ |
√ |
√ |
√ |
√ |
√ |
5″ |
√ |
√ |
√ |
√ |
√ |
6″ |
√ |
√ |
√ |
√ |
√ |
Chemical Composition of ASTM A312 TP 321 Stainless Steel Seamless Pipe
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|
321 |
min. max |
– 0.08 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 19.0 |
– |
9.0 12.0 |
0.10 |
Ti=5(C+N) 0.70 |
321H |
min. max |
0.04 0.10 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 19.0 |
– |
9.0 12.0 |
– |
Ti=4(C+N) 0.70 |
Mechanical Properties of ASTM A312 TP 321 Stainless Steel Seamless Pipe
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|---|---|---|---|---|---|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
321 |
515 |
205 |
40 |
95 |
217 |
321H |
515 |
205 |
40 |
95 |
217 |
Physical Properties of ASTM A312 TP 321 Stainless Steel Seamless Pipe
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (m/m/0C) |
Thermal Conductivity (W/m.K) |
|||
|---|---|---|---|---|---|---|---|
0-1000C |
0-3150C |
0-5380C |
at 1000C |
at 5000C |
|||
321 |
8027 |
193 |
16.6 |
17.2 |
18.6 |
16.1 |
22.2 |
Grade specifications for 321 Stainless Steel Pipes & Tubes
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|---|---|---|---|---|---|---|---|
BS |
En |
No |
Name |
||||
321 |
S32100 |
321S31 |
58B, 58C |
1.4541 |
X6CrNiTi18-10 |
2337 |
SUS 321 |
321H |
S32109 |
321S51 |
– |
1.4878 |
X10CrNiTi18-10 |
– |
SUS 321H |
Price of ASTM A312 TP 321 Stainless Steel Seamless Pipe
- ASTM A213 321 Seamless & Welded Stainless steel pipe/tube
US $1-5 / Kilogram - AISI TP 321 stainless steel seamless pipe
US $1-5 / Kilogram - Pipeline tube 321 seamless stainless steel pipe
US $1000-2000 / Ton