Alloy Steel P91 Pipes Manufacturer and Supplier in Kuala lumpur, Malaysia

Alloy Steel P91 Pipes

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Shalan Steel, located in Kuala Lumpur, Malaysia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel P91 Pipes. These pipes are designed to deliver remarkable strength, heat resistance, and long-lasting reliability. Crafted from high-quality alloy steel that includes 9% chromium and 1% molybdenum, along with vanadium, they excel in high-temperature and high-pressure settings. With a focus on precision manufacturing and rigorous quality control, these pipes boast dimensional accuracy, smooth internal surfaces, and outstanding mechanical properties, making them a go-to choice in industries like power generation, petrochemicals, and boiler manufacturing.

Alloy Steel P91 Pipes Supplier in Kuala lumpur , ASTM A335 Alloy Steel P91 Pipes Distributor in Kuantan, P91 Alloy Steel High-Pressure Pipe Exporter in Ipoh, Alloy Steel Grade P91 Pipe Supplier in George town, ASTM A335 Alloy Steel Large Diameter Pipe Distributor in Malaysia, P91 Alloy Steel Pipes Stockist in Ipoh, Alloy Steel UNS K91560 Pipes Stockist in George town, Grade P91 Alloy Steel Pipes Manufacturer in Malaysia, P91 Alloy Steel Pipe in mm, Gr. P91 Alloy Steel Pipe Manufacturer in George town

Alloy Steel P91 Seamless Pipes

Alloy Steel Gr P91 Welded Pipes

Alloy Steel Grade P91 EFW Pipes

What is Alloy Steel P91 Pipes?

Alloy Steel P91 pipes contain chromium (8.0-9.5%), molybdenum (0.85-1.05%), vanadium (0.18-0.25%), carbon (0.08-0.12%), manganese, silicon, phosphorus, and sulfur. The mechanical properties of these pipes are quite good. High tensile strength (585 MPa min), yield strength (415 MPa min), and creep properties are excellent. These pipes show excellent thermal stability, oxidation resistance, and weldability. It is preferred at high temperatures and pressures. Their advantages include increased durability, minimized maintenance, and better efficiency in boilers, superheaters, steam piping, and operations for the power plants.

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Alloy Steel P91 Pipes Specification

Type	Seamless / ERW / Welded / Fabricated
Standard	ASTM A335 P91, SA335 P91 (with IBR Test Certificate)
Size	1/2” NB to 36” NB
Length	Standard Double & In Cut length also.
Schedules	SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Tolerance	Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
Application	Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
End	Plain End, Beveled End, Treaded
Craft	Cold rolled and Cold drawn
available in Form of	Round, Square, Rectangular, Hydraulic Etc.
Origin	European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Specialized in	Large Diameter ASTM A335 P91 Pipe
Additional Testing	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
Thickness	3-12mm

Alloy Steel P91 Pipes Chemical Composition

Alloy Steel P91	C	Cr	Mn	Mo	P	S	Si
Alloy Steel P91	0.08-0.12	8.00 – 9.50	0.30-0.60	0.85 – 1.05	0.020 max	0.010 max	0.20 -0.50

Alloy Steel P91 Pipes Mechanical Properties

Tensile Strength, MPa	Yield Strength, MPa	Elongation
585 min	415 min	20 min

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Alloy Steel P91 Pipes in Kuala lumpur, Malaysia

The composition of Alloy Steel P91 Pipes, featuring chromium, molybdenum, and vanadium, ensures excellent resistance to creep and oxidation, as well as structural stability even at elevated temperatures. Heat treatment processes, including normalizing and tempering, further enhance their toughness, hardness, and fatigue resistance, guaranteeing durability in challenging service conditions.

Alloy Steel P91 Pipes Equivalent Grades

ASTM	ASME	Equivalent material	JIS G 3458	UNS	BS	DIN	ISO	ABS	NK	LRS
A335 P91	SA335 P91	T91, K90901, X10CrMoVNb9-1, 1.4903		K91560

ASTM A335 P91 Pipe Size Chart

O.D.(mm) x Thickness(mm)	O.D(mm) x Thickness(mm)	O.D(mm) x Thickness(mm)
38.1 x 3.2	57.0 x 4.9	76.2 x 4.0
38.1 x 4.0	57.0 x 6.3	76.2 x 5.0
38.1 x 6.3	57.0 x 7.9	76.2 x 6.3
42.4 x 3.2	60.3 x 3.2	82.5 x 4.5
42.4 x 4.0	60.3 x 3.6	88.9 x 3.2
44.5 x 3.2	60.3 x 5.0	88.9 x 3.6
44.5 x 6.3	63.5 x 3.2	88.9 x 4.0
48.3 x 3.2	63.5 x 3.6	101.6 x 3.6
48.3 x 3.6	63.5 x 4.0	101.6 x 4.5
50.8 x 4.5	63.5 x 6.3	101.6 x 6.3
51.0 x 3.2	63.5 x 7.9	114.3 x 3.6
51.0 x 3.6	70.0 x 3.2	114.3 x 5.0
51.0 x 6.3	70.0 x 3.6	139.7 x 4.0
57.0 x 3.2	70.0 x 6.3	139.7 x 5.0
57.0 x 3.6	76.2 x 3.6	139.7 x 6.3

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Types of Alloy Steel P91 Pipes

Alloy Steel P91 Pipes Weight Chart

Size NPS	Pipe O.D.	Wall Thickness	Pipe I.D.	Weight per Foot	Standard to XXHY	Schedule Pipe #	Section Modulus	Gallon Capacity Per Linear Foot
1/2	0.84	0.109	0.622	0.85	STD	40	.0407	.0158
		0.147	0.546	1.09	XHY	80	.0478	.0122
		0.188	0.464	1.31		160	.0528	.0088
		0.294	0.252	1.72	XXHY		.0577	.0026
3/4	1.05	0.113	0.824	1.13	STD	40	.0705	.0277
		0.154	0.742	1.48	XHY	80	.0853	.0225
		0.219	0.612	1.95		160	.1006	.0153
		0.308	0.434	2.44	XXHY		.1103	.0077
1	1.315	0.133	1.049	1.68	STD	40	.1328	.0449
		0.179	0.957	2.17	XHY	80	.1606	.0374
		0.250	0.815	2.85		160	.1904	.0271
		0.358	0.599	3.66	XXHY		.2136	.0146
1 1/4	1.66	0.140	1.380	2.27	STD	40	.2346	.0777
		0.191	1.278	3.00	XHY	80	.2913	.0666
		0.250	1.160	3.77		160	.3421	.0549
		0.382	0.896	5.22			.4110	.0328
1 1/2	1.90	0.145	1.610	2.72	STD	40	.3262	.1058
		0.200	1.500	3.63	XHY	80	.4118	.0918
		0.281	1.338	4.86		160	.5079	.0730
		0.400	1.100	6.41			.5977	.0494
2	2.375	0.109	2.157	2.64		10	.4205	.1898
		0.154	2.067	3.66	STD	40	.5606	.1743
		0.218	1.939	5.03	XHY	80	.7309	.1534
		0.250	1.875	5.68			.8045	.1434
		0.281	1.813	6.29			.8666	.1344
		0.344	1.687	7.47		160	.9806	.1161
		0.436	1.503	9.04	XXHY		1.1043	.0922
2 1/2	2.875	0.120	2.635	3.53		10	.6870	.2833
		0.203	2.469	5.80	STD.	40	1.0640	.2487
		0.216	2.443	6.14			1.1169	.2435
		0.250	2.375	7.02			1.2468	.2301
		0.276	2.323	7.67	XHY	80	1.3386	.2202
		0.375	2.125	10.02		160	1.6371	.1842
		0.552	1.771	13.71	XXXHY		1.9971	.1280
3	3.50	0.120	3.260	4.34			1.0411	.4336
		0.156	3.188	5.58			1.3122	.4147
		0.172	3.156	6.12			1.4265	.4064
		0.188	3.124	6.66			1.5342	.3984
		0.216	3.068	7.58	STD.	40	1.7241	.3840
		0.250	3.000	8.69			1.9372	.3672
		0.281	2.938	9.67			2.1207	.3521
		0.300	2.900	10.26	XHY	80	2.2253	.3431
		0.438	2.624	14.34		160	2.8774	.2811
		0.600	2.300	18.6	XXHY		3.4243	.2158
3 1/2	4.0	0.120	3.760	4.98		10	1.3776	.5768
		0.226	3.548	9.12	STD.	140	2.3939	.5136
		0.250	3.500	10.02			2.6001	.4998
		0.281	3.438	11.17			2.8562	.4821
		0.318	3.364	12.52	XHY	80	3.1400	.4617
		0.636	2..728	22.87	XXHY		4.8795	.3085
4	4.5	0.120	4.260	5.62		10	1.7612	.7404
		0.156	4.188	7.24			2.2354	.7156
		0.188	4.124	8.67			2.6296	.6942
		0.203	4.094	9.32			2.8173	.6838
		0.219	4.062	10.02			3.0184	.6725
		0.237	4.026	10.80	STD.	40	3.2145	.6613
		0.250	4.000	11.36			3.3611	.6528
		0.281	3.938	12.67		60	3.7021	.6326
		0.312	3.876	13.97			4.0273	.6126
		0.337	3.826	15.00	XHY	80	4.2713	.5972
		0.438	3.624	19.02		120	5.1790	.5361
		0.531	3.438	22.53		160	5.8997	.4822
		0.674	3.152	27.57	XXHY		6.7927	.4054
5	5.563	0.188	5.187	10.80			4.1161	1.0979
		0.219	5.125	12.51			4.7279	1.0716
		0.258	5.047	14.63	STD.	40	5.4500	1.0391
		0.281	5.001	15.87			5.8644	1.0204
		0.312	4.939	17.51			6.4074	.99647
		0.344	4.875	19.19			6.9358	.9696
		0.375	4.813	20.80	XHY	80	7.4300	.9449
		0.500	4.563	27.06		120	9.2534	.8495
		0.625	4.313	32.99		160	10.7976	.7590
		0.750	4.063	38.59	XXHY		12.0954	.6734
6	6.625	0.109	6.407	7.59		5	3.5769	1.6748
		0.134	6.357	9.30		10	4.3475	1.6488
		0.156	6.313	10.79			5.0107	1.6260
		0.188	6.249	12.94			5.9351	1.5937
		0.203	6.219	13.94			6.3804	1.5780
		0.219	6.187	15.00			6.8261	1.5620
		0.250	6.125	17.04			7.6905	1.5306
		0.280	6.065	18.99	STD.	40	8.4958	1.5008
		0.312	6.001	21.06			9.3416	1.4688
		0.344	5.937	23.10			10.111	1.4391
		0.375	5.875	25.05			10.893	1.4082
		0.432	5.761	28.60	XHY	80	12.224	1.3541
		0.500	5.625	32.74			13.711	1.2909
		0.562	5.501	36.43		120	14.9806	1.2346
		0.625	5.375	40.09			16.1821	1.1787
		0.719	5.187	45.39		160	17.8243	1.0977
		0.864	4.897	53.21	XXHY		20.025	.9784
		1.000	4.625	60.13			21.7719	.8727
		1.125	4.375	66.14			23.1237	.7809

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Uses of Alloy Steel P91 Pipes

These pipes find extensive application in superheaters, reheaters, steam headers, boiler tubes, and high-pressure piping systems. Their remarkable ability to endure prolonged exposure to temperatures exceeding 600°C without compromising strength makes them essential in thermal power plants, refineries, and various process industries. Shalan Steel’s Alloy Steel P91 Pipes stand out for their reliability, efficiency, and exceptional performance in critical industrial applications.