China Nickel Alloy Pipe manufacturer


TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes, Monel, Inconel, Incoloy and nickel.


March 25, 2022

ASTM A335 P11 Alloy Seamless Pipe



ASTM A335 P11 P9 Seamless Carbon Steel Tube Alloy Seamless Steel Pipe



ASTM A335 P11 Alloy Steel Pipes Specification


Specifications ASTM A 335 ASME SA 335
Dimensions ASTM, ASME and API
Size 1/8″NB TO 30″NB IN
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless
Form Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, “U” Shape, Hydraulic Pipes
Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded


ASME SA335 P11 Alloy Steel Pipes Chemical Composition:


Grade Alloy P5
C 0.05-0.15
Cr 4.00-6.00
Mn 0.30-0.60
Mo 0.45-0.65
P 0.025 max
S 0.025 max
Si 0.50-1.00


Mechanical Properties of ASTM A335 Chrome Moly P11 Pipes :


Grade ASTM A335/ASME SA335 Grade P5
Tensile Strength, MPa 415 min
Yield Strength, MPa 205 min
Elongation, % 30 min



Outside Diameter & Tolerance of Alloy Steel P11 Seamless Pipes:


ASTM A335 Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14
ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%



Types of ASTM A335 P11 Alloy Steel Pipes:


ASTM A335 P11 Alloy Seamless Pipe UNS K11597 Seamless Pipe
P11 Alloy Steel Seamless Pipe Alloy Steel P11 Seamless Pipe
Alloy Steel P11 Round Pipe P11 Alloy Steel Round Pipe
UNS K11597 Seamless Round Pipe Alloy Steel UNS K11597 Round Pipe
ASTM A335 P11 Alloy Steel Round Pipes Alloy Steel P11 Square Pipe
P11 Alloy Steel Square Pipe UNS K11597 Seamless Square Pipe
Alloy Steel UNS K11597 Square Pipe ASTM A335 P11 Alloy Steel Square Pipes
Alloy Steel P11 Rectangular Pipe P11 Alloy Steel Rectangular Pipe
UNS K11597 Seamless Rectangular Pipe Alloy Steel UNS K11597 Rectangular Pipe
ASTM A335 P11 Alloy Steel Rectangular Pipes Alloy Steel P11 Custom Pipe
P11 Alloy Steel Custom Pipe UNS K11597 Seamless Custom Pipe
Alloy Steel UNS K11597 Custom Pipe ASTM SA335 P11 Alloy Steel Custom Pipes


ASTM A335 P11 Alloy Steel Pipes - Industries & Applications:

  • Gas Processing Industries
  • Petrochemical Industries
  • Power Generation Industries
  • Food Processing Industries
  • Chemical Industries
  • Oil & Gas Industries
  • Fertilizers Industries
  • Sugar Industries


ASTM A335 P11 Alloy Steel Pipes - Packing:


We usually pack the pipes in woven bags, wooden case is availbe if customer request, but need add more packing fee, if for fittings do not need, as fittings we packing with wooden case for standard.



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ASTM A335 P11 Alloy Steel Pipes - FAQ:



Q1. What is your terms of packing?

A: Generally, we pack pipe in woven bags, and fittings in wooden case.

Q2. How about your delivery time?

A: Generally, CS have stock only need time to cutting or surface dealing, can be shipped within one week after the payment received, delivery time for special material depending on the qtys.

Q3. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q4. What is your sample policy?

A: Sample availbe, but have to pay, the money can be reduce in the official order.

Q5. Do you test all your goods before delivery?

A: Yes, MTC can be shipped together with the cargo if customer need it.

Q6: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;
A 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

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