Seamless Stainless Steel Pipe ASTM 312 TP316/316L
Seamless stainless steel pipe ASTM 312 TP316/316L has many advantages, including but not limited to:
1. Corrosion resistance: The addition of molybdenum makes TP316/316L highly resistant to corrosion from acids, salts, and seawater.
2. High temperature resistance: TP316/316L can withstand high temperatures and pressure without losing its strength or ductility.
3. Durability: Seamless stainless steel pipes have a longer lifespan than welded pipes, as they are less likely to be affected by corrosion and cracks.
4. Versatility: TP316/316L is suitable for a wide range of applications, including industrial, medical, and marine uses.
5. High-quality finish: Seamless pipes have a smooth internal surface, which reduces friction and allows for efficient flow of materials.
6. Low maintenance: Due to its high durability and resistance to corrosion, seamless stainless steel pipes require little maintenance over time.
ASTM A312 TP 316L Stainless Steel Seamless Pipe Grade And Specification
|
Stainless Steel Pipes |
||||
|---|---|---|---|---|
|
Sr. No. |
Material |
Size |
Sch. |
Specification |
|
1 |
ASTM A312 Stainless Steel 316L Seamless Pipe |
15 NB |
Sch. 5s |
ASTM A-312 |
|
2 |
ASTM A312 Stainless Steel 316L Welded (ERW) Pipe |
15 NB |
Sch. 5s |
ASTM A-312 |
|
3 |
ASTM A358 Stainless Steel 316L Welded (ERW) Pipe |
150 NB |
Sch. 5s |
ASTM A-358 |
| Chemical Composition Of ASTM A312 TP 316L Stainless Steel Seamless Pipe |
| GRADE |
C |
MN |
SI |
P |
S |
CR |
MO |
NI |
N |
|
|---|---|---|---|---|---|---|---|---|---|---|
|
316L |
Min |
- |
- |
- |
- |
- |
16.0 |
2.00 |
10.0 |
- |
|
Max |
0.03 |
2.0 |
0.75 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
0.10 |
|
|
316H |
Min |
0.04 |
0.04 |
0 |
- |
- |
16.0 |
2.00 |
10.0 |
- |
|
max |
0.10 |
0.10 |
0.75 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
- |
Mechanical Properties Of ASTM A312 TP 316L Stainless Steel Seamless Pipe
| GRADE | TENSILE STR (MPA) MIN |
YIELD STR 0.2% PROOF (MPA) MIN |
ELONG (% IN 50MM) MIN |
HARDNESS | |
|---|---|---|---|---|---|
| ROCKWELL B (HR B) MAX | BRINELL (HB) MAX | ||||
|
316L |
485 |
170 |
40 |
95 |
217 |
|
316H |
515 |
205 |
40 |
95 |
217 |
Physical Properties Of ASTM A312 TP 316L Stainless Steel Seamless Pipe
| GRADE | DENSITY (KG/M3) |
ELASTIC MODULUS (GPA) |
MEAN CO-EFF OF THERMAL EXPANSION (ΜM/M/°C) | THERMAL CONDUCTIVITY (W/M.K) |
SPECIFIC HEAT 0-100°C (J/KG.K) |
ELEC RESISTIVITY (NΩ.M) |
|||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | AT 100°C | AT 500°C | |||||
| 316L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 74 |
Grade Specifications For 316L Stainless Steel Pipe
|
GRADE |
UNS |
OLD BRITISH |
EURONORM |
SWEDISH |
JAPANESE |
||
|---|---|---|---|---|---|---|---|
|
BS |
EN |
NO |
NAME |
||||
|
316L |
S31603 |
316S11 |
- |
1.4404 |
X2CrNiMo17-12-2 |
2348 |
SUS 316L |
|
316H |
S31609 |
316S51 |
- |
- |
- |
- |
- |
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