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ASTM A335 P91 Seamless Alloy Steel Pipe
The astm a335 P91 pipe is a seamless Pipe meant for high temperature applications. These pipes are made from ferritic Alloy-Steel.
Product Introduction 
The astm a335 P91 pipe is a seamless Pipe meant for high temperature applications. These pipes are made from ferritic Alloy-Steel.Chemically the a335 P91 welded pipe contains elements like Molybdenum (Mo) and Chromium added to the alloy. When Molybdenum and chromium are added to the alloy, there is an increase in the tensile strength of the sa335 grade P91 pipe. The tensile strength of the a335 grade P91 pipe is 415 Mpa, while its yield strength is 205 Mpa. The elongation percentage of the pipe ranges between 20% to 30%.Alloy Steel P91 Seamless Pipes is often referred to as excellent steel due to its increased resistance to chloride corrosion making it a very suitable material for use in salt water environments.
Details
|
Specialized in |
Large Diameter Size |
|
Outer Dimensions |
19.05mm – 114.3mm |
|
Wall Thickness |
2.0mm – 14 mm |
|
Length |
max 16000mm |
|
Schedule |
Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk. |
|
Form |
Round, Square, Rectangular, Hydraulic Etc. |
|
Standard |
ASTM A335 P91, SA335 P91 (with IBR Test Certificate) |
|
Size |
1/2 NB to 36 NB |
|
Thickness |
3-12mm |
|
Schedule |
SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
|
Tolerance |
Cold drawn pipe: +/-0.1mmCold rolled pipe: +/-0.05mm |
|
Craft |
Cold rolled and Cold drawn |
|
Type |
Seamless / ERW / Welded / Fabricated |
|
Length |
Single Random, Double Random & Cut Length. |
|
End |
Plain End, Beveled End, Treaded |
|
Specialized in |
Large Diameter SA335 P91 Material |
|
Additional Testing |
NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
|
Application |
Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
|
ASTM A335 P91 Pipe Types |
Out diameter |
Wall thickness |
Length |
|
ASTM A335 P91 Seamless Pipe (Custom Sizes) |
1/2" NB - 60" NB |
SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 |
Custom |
|
ASTM A335 P91 Welded Pipe (in Stock + Custom Sizes) |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
ASTM A335 P91 ERW Pipe (Custom Sizes) |
1/2" NB - 24" NB |
As per requirement |
Custom |
|
ASTM A335 High Pressure P91 Boiler Pipe |
16" NB - 100" NB |
As per requirement |
Custom |
Technical data
ASTM A335 P91 Chemical Composition
|
C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Mo, % |
V, % |
N, % |
Ni, % |
Al, % |
Nb, % |
|
0.08-0.12 |
0.3-0.6 |
0.02 max |
0.01 max |
0.2-0.5 |
8.0-9.5 |
0.85-1.05 |
0.18-0.25 |
0.03-0.07 |
0.4 max |
0.04 max |
0.06-0.10 |
ASTM A335 P91 Properties
|
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
|
585 min |
415 min |
20 min |
250 max |
Physical Properties Of P91 Pipe
|
Temperature T |
|
Thermal conductivity |
Electrical resistance |
Young's modulus |
Expansion coefficient from 20 ° C to T |
|
20/68 |
460 (-) |
26 (-) |
|
218 (-) |
|
|
200/392 |
|
|
|
207 (-) |
11.3 (-) |
|
400/752 |
|
|
|
190 (-) |
12.0 (-) |
|
500/932 |
|
30 (-) |
|
|
12.3 (-) |
|
600/1112 |
|
|
|
|
12.6 (-) |
|
650/1202 |
|
|
|
162 (-) |
12.7 (-) |
|
temperature |
0.2% proof stress |
|
° C / ° F |
Rp 0.2 |
|
|
Mpa / ksi |
|
100/212 |
410 / 59.4 |
|
200/392 |
380 / 55,1 |
|
300/572 |
360 / 52,2 |
|
400/752 |
340 / 49,3 |
|
500/932 |
300 / 43.5 |
|
600/1112 |
215 / 31,1 |
Our Workshop
Our Packing
Application field
Why Choose Us
1. Quality
We are professional symbol of Chinese Metal industry; so all the supplied metal products from MAXI are quality researched & guaranteed well ones. Quality is our life. No quality, no biz.
2. Price
Based on mature and rich acknowledge & experience for stainless steel and alloy steel , MAXIMETAL's supplied price could ensure customer has unique competitiveness in the market. As our aim is long-term biz instead of only profit by 1 or 2 order, we understand only customer win, we could win.
3. Delivery
MAXI is one of TOP 10 manufacturer of stainless steel and alloy products in China, Hold 10000tons raw materials in stock,has its own rolling factory,So enjoy high priority for delivery: Usually within 10-15 from deposit date.
4. Payment
MAXI supply 30% TT IN ADVANCE + 70% TT WITHIN 7 DAYS OF BL DATE or IRR L/C AT SIGHT for customers. And with cooperation's growing & mature, better & better payment term will be issued, such as: L/C 30 DAYS, L/C 60 DAYS, L/C 360 DAYS, etc.
5. Service
From MAXI, what customer could get is not only product, but also complete comprehensive marketting concept & service.
FAQ
Q:Will you delivery the goods on time?
A:Yes,we promise to provide best quality products and delivery on time.Honesty is our company's tenet.
Q:Do you provide samples?is it free or extra?
A:The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q:Do you accept the third party inspection?
A:Yes absolutely we accept.
Q:What are your main products?
A:Carbon steel,alloy steel,stainless steel plate/coil,pipe and fittings,sections etc.
Q:Can you accept the order of customzied?
A:Yes,we assure
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