A335 Chrome Moly Seamless Steel Pipe
Dec 03, 2025
Astm A335 Alloy Steel Pipe description
ASTM A335 seamless pipes are a type of alloy steel pipe typically made from chromium-molybdenum alloy steel. This material provides excellent high-temperature and corrosion resistance, ensuring long-term stability in harsh environments. Common material grades include P5, P9, and P11, each suited for different temperature and pressure conditions.
Performance Characteristics
High Strength: Withstands high internal pressure, ideal for high-pressure piping systems.
High-Temperature Resistance: Maintains mechanical properties at elevated temperatures without deformation or failure.
Corrosion Resistance: Alloy composition offers resistance to certain corrosive media.
Good Workability: Can be further processed via welding, bending, etc., to meet diverse engineering needs.
SA335 seamless pipe specification
| Tolerance | Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm |
| Available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| Craft | Cold rolled and Cold drawn |
| Size | 1/2" NB to 36" NB |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Standard | ASTM A335, SA335 (with IBR Test Certificate) |
| Grades |
SA335 P1 SA335 P5 SA335 P9 SA335 P11 SA335 P12 SA335 P22 SA335 P91 SA335 P92 |
| Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| End | Plain End, Beveled End, Treaded |
| Length | Standard Double & In Cut length also. |
| Type | Seamless / ERW / Welded / Fabricated |
| Specialized in | Large Diameter ASTM A335 Pipe |
| Thickness | 3-12mm |
| Application | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
SA335 steel pipe chemical composition:
|
material |
c |
si |
mn |
p |
s |
mo |
cr |
|
|
% |
% |
% |
% |
max |
% |
max |
|
SA335 grade p1 |
0.10---0.20 |
0.10---0.50 |
0.30---0.80 |
0.025 |
0.025 |
0.440.65 |
|
|
SA335 grade p5 |
max 0.15 |
max 0.50 |
0.30---0.60 |
0.025 |
0.025 |
0.450.65 |
4.006.00 |
|
SA335 grade p11 |
0.05---0.15 |
0.5---1.0 |
0.30---0.60 |
0.025 |
0.025 |
0.450.65 |
1.001.50 |
|
SA335 grade p12 |
0.05---0.15 |
max 0.50 |
0.30---0.61 |
0.025 |
0.025 |
0.450.65 |
0.801.25 |
|
SA335 grade p22 |
0.05---0.15 |
max 0.50 |
0.30---0.60 |
0.025 |
0.025 |
0.871.13 |
1.902.60 |
Sa335 steel pipe mechanical properties:
|
material |
tensile n/mm2 |
strength min n/mm2 |
yield %min |
|
SA335 grade p1 |
min380 |
205 |
30 |
|
SA335 grade p5 |
min415 |
205 |
30 |
|
SA335 grade p11 |
min415 |
205 |
30 |
|
SA335 grade p12 |
min415 |
205 |
30 |
|
SA335 grade p22 |
min415 |
205 |
30 |
Test and inspection
Packaging and shipping
