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.

Classification ：

Seamless Steel Pipe

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Product Details

Product introduction

Product Description
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.

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 ° C / ° F (° C / F)	Specific heat J / kgK (Btu / lb ° F)	Thermal conductivity W / mK (Btu · in / ft 2 · h · ° F)	Electrical resistance μΩ · cm (Ω circ / ft)	Young's modulus kN / mm 2 (10 3 ksi)	Expansion coefficient from 20 ° C to T 10 -6 / K (10 -6 / ° F)
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 at higher temperatures
° 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

Factory profile

Adhering to the tenet of "integrity first, quality for survival", the company has established a complete marketing channel of "based in North China, radiating the whole country, and facing the world", and has not only established a solid strategic partnership with many domestic and foreign enterprises.We have been committed to product development, production and sales, after more than ten years of efforts, our products have been widely used in various fields.

Packing method: Packing according to customer's requirement.

The company has more than 110,000 square meters of production and processing base, fully introduced the international advanced modern automatic production and processing equipment, and took the lead in passing the ISO9001, TS16949, BV, SGS and other international well-known institutions certification.The products are mainly exported to Italy, Mexico, South Korea, Israel, Turkey, India, Pakistan, Kyrgyzstan, Oman, Kazakhstan, Vietnam, Myanmar and other countries. The company's supply is sufficient, the variety is complete, order production is fast, welcome domestic and foreign manufacturers, traders to contact us.

Company Advantages
1. We are a large-scale production enterprise integrating production, research and development, and can customize the products required by customers.
2. We have a perfect after-sales service system, which can track the problems encountered by customers in production at any time and provide corresponding technical support, so as to share our high-quality resources with customers.
3. After more than ten years of development, the company has complete product varieties and large inventory, which can be delivered in the shortest time.
4. Free samples are available.
5. With obvious price advantage, the company has complete production process, from raw materials to finished products integrated production can maximize the cost savings.