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For precision capillary tube of metal materials, we have been working on it for more than 30 years.
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TP316/TP316LMaterial
TP316, UNS S31600, 1.4401, X5CrNiMo17-12-2
TP316L, UNS S31603, 1.4404, X2CrNiMo17-12-2
Overview
316 and 316L are austenitic chromium-nickel stainless steels containing molybdenum. This addition increases general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. Corrosion resistance is improved, particularly against sulfuric, hydrochloric, acetic, formic, and tartaric acids.
Characteristics
316 and 316L products are characterized by resistance to high temperatures, high plasticity, ductility, and relatively good ductility. They are suitable for compression, cold and tensile hardening to produce springs and spring elements from strips or wires. The materials show non-magnetic properties in soft condition, relatively good mechanical properties in cryogenic temperatures and good weldability not requiring additional heat treatment processes. It is also important to note the relatively low mechanical properties, which are not conducive to mechanical applications, and the difficult machinability of steel.
Typical Application
Process engineering
Control lines
High Performance Liquid Chromatography (HPLC)
Heat Exchangers
Condensers
Semiconductors
Medical implants (including Pins, screws and implants)
Chemical Composition
TP316 as per ASTM A213
|
wt% |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
|
≥ |
|
|
|
|
|
16.00 |
10.00 |
2.00 |
|
≤ |
0.08 |
1.00 |
2.00 |
0.045 |
0.030 |
18.00 |
14.00 |
3.00 |
TP316L as per ASTM A213
|
wt% |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
|
≥ |
|
|
|
|
|
16.00 |
10.00 |
2.00 |
|
≤ |
0.035 |
1.00 |
2.00 |
0.045 |
0.030 |
18.00 |
14.00 |
3.00 |
Mechanical Property
|
Temper |
TP304 |
TP304L |
||
|
Tensile Rm |
75 |
ksi (min) |
70 |
ksi (min) |
|
Tensile Rm |
515 |
MPa (min) |
485 |
MPa (min) |
|
R.p. 0.2% Yield |
30 |
ksi (min) |
25 |
ksi (min) |
|
R.p. 0.2% Yield |
205 |
MPa (min) |
170 |
MPa (min) |
|
Elongation (2" or 4D gl) |
35 |
% (min) |
35 |
% (min) |
Heat Treatment and Hardness
Solution treatment 1040°C (1900°F), water or other rapid cool.
Hardness: max. 192 HBW or 200 HV or 90 HRB
Available Process
(1) Cold worked
(2) Cold worked and bright annealed
(3) Cold worked, annealed and pickled
(4) Cold worked, polished (MP, EP etc.)
(5) Cold worked, bright annealed, polished (MP, EP etc.)
Product Forms
|
Form |
Size range |
|
Capillary tube |
OD 0.08 ~ 6.0 mm WT 0.015 ~ 1.5 mm |
|
Thin wall & Ultra thin wall seamless tube |
OD6.0~80.0 mm WT 0.05~4.5 mm |
|
Micro ID and heavythick wall seamless tube |
OD3.0~50.0 mm ID0.30~5.0mm |
|
Precision conic seamless tube |
Bigger end: OD3.0 - 426.0mm Smaller end: OD2.5 - 346.0mm WT: 0.15 - 40.0mm |
|
HP/UHP BA+ tube EP tube |
OD 1.0 ~ 76 mm WT 0.10 ~ 10.0 mm |
|
Small caliber precision seamless tube |
OD6.0 ~89mm WT 0.50 ~9.0 mm |
|
Profiled seamless tube |
Build to drawing Build to specification |
|
Bourdon tube |
Y40, Y50, Y60, Y70, Y100, Y150 |
