Super 13 Chrome (S13cr) High Alloy Stainless Steel Tube
As a leading supplier in the oil and gas industry, HYT delivers high-performance Super 13 Chrome (S13Cr) tubing, pipe, and bar products-engineered for demanding downhole environments. Beyond supplying premium materials, we provide end-to-end solutions, including precision inventory management, just-in-time logistics, and technical expertise to optimize your operations.
Whether you need corrosion-resistant materials for tubular components, packers, or subsurface equipment, HYT ensures seamless supply chain integration, cost efficiency, and reliable performance-so you can focus on productivity without compromise.
HYT Stocked Material Forms
As a super 13 chrome material supplier, HYT works to provide the type of performance and quality the oil and gas industry demands. They keep a ready stock of S13cr tubes and bars in a variety of sizes.
Tube:
Outside Diameter: 2 in (50.8 mm) to 24 in (609.6 mm)
Wall Thickness: 2.50 in (63.5 mm) max
Bar:
Outside Diameter: 2 in (50.8 mm) to 20 in (508 mm)
OCTG:
Outside Diameter: 1.315 in (33.4 mm) to 20 in (508 mm)
Connections:
Plain end
API (STC/LTC/BTC)
Premium threaded
Coupled
Flush
Semi-flush
Chemical Composition
| S41425 |
| |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
N |
Fe |
| Min |
. |
. |
0.5 |
. |
. |
12 |
4 |
1.5 |
. |
0.06 |
0 |
| Max |
0.05 |
0.5 |
1 |
0.02 |
0.005 |
15 |
7 |
2 |
0.3 |
0.12 |
0 |
| S41426 |
| |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Ti |
V |
Fe |
| Min |
. |
. |
. |
. |
. |
12 |
5 |
1.5 |
0 |
. |
0 |
| Max |
0.03 |
0.5 |
0.5 |
0.02 |
0.005 |
14 |
7 |
3 |
0.5 |
0.5 |
0 |
| S41427 |
| |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Ti |
V |
Fe |
| Min |
. |
. |
. |
. |
. |
12 |
5 |
1.5 |
. |
0.1 |
0 |
| Max |
0.03 |
0.5 |
1 |
0.02 |
0.005 |
14 |
6 |
2.5 |
0 |
0.5 |
0 |
Manufacturing Process
| PROCESS |
DESCRIPTION |
| Steel Making |
Made by electric furnace (EF) or basic oxygen furnace (BOF) |
| Pipe Making |
Manufactured by traditional hot tube manufacturing processes |
| Heat Treatment |
Quenched and tempered |
Specified Mechanical Properties
| Grade |
Yield Strength ksi |
Tensile Strength ksi |
Elongation % |
Hardness HRC |
NACE MR0175/ISO 15156
H2S Sour Service Limits |
| min |
max |
min |
min |
max |
| 80 |
80 |
95 |
90 |
Function of specimen size |
27 |
Table A.19 |
H2S ≤ 1.5 psi,
pH ≥ 3.5 |
|
| 95 |
95 |
110 |
105 |
27 |
|
| 110 |
110 |
140 |
115 |
32 |
110 Grade not recommended for sour service |
Typical Physical Properties
| |
|
70°F |
200°F |
350°F |
| Density |
lbs/in3 |
0.28 |
0.28 |
0.28 |
| Thermal Expansion |
X10-6/°F |
|
5.9 |
5.9 |
| Elastic Modulus |
psi x 106 |
29.3 |
28.7 |
28.2 |
| Poisson Ratio |
|
0.3 |
0.3 |
0.3 |
| Thermal Conductivity |
Btu/ft h °F |
9.1 |
9.7 |
10.7 |
| Specific Heat |
Btu/(lb·°F) |
0.1 |
0.11 |
0.12 |
| Yield Strength De-Rating |
% |
100 |
91 |
87 |
Audited Supplier 
){kind=link}