Alloy Steel P9 Pipes

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Thabiso Steel, a prominent manufacturer and supplier located in Cape Town, South Africa, specializes in top-notch **Alloy Steel P9 Pipes** designed for high-temperature, high-pressure, and heavy-duty industrial applications. These pipes are crafted with precision to provide outstanding strength, creep resistance, and durability, ensuring they perform reliably in critical systems. Adhering to international standards, Thabiso Steel promises consistent mechanical performance and exceptional quality. Catering to sectors like power generation, petrochemical, and oil and gas, the company delivers Alloy Steel P9 Pipes that blend operational efficiency, structural integrity, and longevity, making them a go-to choice for demanding industrial needs throughout South Africa.

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Alloy Steel P9 Seamless Pipes

Alloy Steel Gr P9 Welded Pipes

Alloy Steel Grade P9 EFW Pipes

What is Alloy Steel P9 Pipes?

**Alloy Steel P9 Pipes** are made from high-quality alloy steel, featuring controlled amounts of chromium and molybdenum to boost tensile strength, hardness, and performance at high temperatures. These pipes showcase impressive yield and tensile strength, excellent impact resistance, and stability in dimensions even under elevated temperatures. Their fine-grain microstructure guarantees weldability, toughness, and long-lasting durability, making Alloy Steel P9 Pipes perfect for high-pressure, high-temperature, and heavy-duty industrial settings.

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Alloy Steel P9 Pipes Specification

ASTM A335 P9 Pipe Standards	ASTM A 335, ASME SA 335
Alloy Steel P9 Pipe Specialized in	Large Diameter Size
Alloy Steel ASTM A335 P9 Pipe Outer Dimensions	19.05mm – 114.3mm
Steel P9 Pipe Wall Thickness	2.0mm – 14 mm
Alloy Steel ASTM A335 P9 Pipe Length	max 16000mm
ASTM A335 P9 Pipe Schedule	Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk.
SA335 P9 Pipe Form	Round, Square, Rectangular, Hydraulic Etc.
Alloy Steel SA335 P9 Standard	ASTM A335 P9, SA335 P9 (with IBR Test Certificate)
ASTM A335 P9 Pipe Size	1/2” NB to 36” NB
Alloy Steel ASTM A335 P9 Pipe Thickness	3-12mm
Alloy Steel P9 Pipe Tolerance	Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
Alloy Steel ASTM A335 P9 Pipe Craft	Cold rolled and Cold drawn
ASTM A335 P9 Pipe Type	Seamless / ERW / Welded / Fabricated
ASME SA335 P9 Pipe Length	Single Random, Double Random & Cut Length.
Alloy Steel ASTM A335 P9 Pipe End	Plain End, Beveled End, Treaded
ASTM A335 P9 Pipe Specialized in	Large Diameter A335 P9
Alloy Steel P9 Pipe Additional Testing	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.
P9 Pipe Application	Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

Alloy Steel P9 Pipes Chemical Composition

Alloy Steel P9	C	Cr	Mn	Mo	P	S	Si
Alloy Steel P9	0.05 – 0.15	0.90 – 1.10	0.30 – 0.60	0.90 – 1.10	0.025 max	0.025 max	0.25 – 1.00

Alloy Steel P9 Pipes Mechanical Properties

Tensile Strength, MPa	Yield Strength, MPa	Elongation
415 min	205 min	30 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 P9 Pipes in Cape Town, South Africa

ThabisoSteel is a major manufacturer and a supplier of premium Alloy Steel P9 pipe in Cape Town, the South Africa. With specialization in steel solutions, we offer a variety of products including carbon steel, alloy steel, light steel and galvanized steel. Our wide bearing has pipes, pipes, flanges, pipe fittings, forged fittings, sheets and plates. We are famous for our reliable distribution and extraordinary customer service, and are committed to offering high quality steel materials that ensure durability and better performance in different industrial applications. We are committed to skill, and we are your reliable partners for all steel requirements.

Alloy Steel P9 Pipes Equivalent Grades

ASTM	ASME	JIS G 3458	UNS	BS	DIN	ISO	ABS	NK	LRS
A335 P9	SA335 P9	STPA 26	S50400	3604 P1 629-470		2604 II TS38

ASTM A335 P9 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 P9 Pipes

Alloy Steel Grade P9 Round Pipe

Gr P9 Alloy Steel Hydraulic Pipes

Alloy Steel P9 Rectangular Pipe

Alloy Steel P9 Hexagonal Pipe

Gr. P9 Alloy Steel Square Pipe

P9 Alloy Steel Hollow Pipes

Alloy Steel P9 Pipes Weight Chart

ASTM A335 P9 Pipe Size NPS	Pipe O.D.	Wall Thickness	Pipe I.D.	Weight per Foot
1/2	0.84	0.109	0.622	0.85
		0.147	0.546	1.09
		0.188	0.464	1.31
		0.294	0.252	1.72
3/4	1.05	0.113	0.824	1.13
		0.154	0.742	1.48
		0.219	0.612	1.95
		0.308	0.434	2.44
1	1.315	0.133	1.049	1.68
		0.179	0.957	2.17
		0.250	0.815	2.85
		0.358	0.599	3.66
1 1/4	1.66	0.140	1.380	2.27
		0.191	1.278	3.00
		0.250	1.160	3.77
		0.382	0.896	5.22
1 1/2	1.90	0.145	1.610	2.72
		0.200	1.500	3.63
		0.281	1.338	4.86
		0.400	1.100	6.41
2	2.375	0.109	2.157	2.64
		0.154	2.067	3.66
		0.218	1.939	5.03
		0.250	1.875	5.68
		0.281	1.813	6.29
		0.344	1.687	7.47
		0.436	1.503	9.04
2 1/2	2.875	0.120	2.635	3.53
		0.203	2.469	5.80
		0.216	2.443	6.14
		0.250	2.375	7.02
		0.276	2.323	7.67
		0.375	2.125	10.02
		0.552	1.771	13.71

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Uses of Alloy Steel P9 Pipes

**Alloy Steel P9 Pipes** are extensively utilized in industries that require robust, heat-resistant, and high-strength piping solutions. They’re commonly found in power plant boilers, steam pipelines, petrochemical facilities, and oil and gas refineries. Moreover, they are essential in high-pressure piping systems, industrial machinery, and structural frameworks where creep resistance, toughness, and thermal stability are vital. The combination of mechanical strength, corrosion resistance, and long-term reliability ensures safe and efficient operation, making Alloy Steel P9 Pipes ideal for energy, industrial, and heavy engineering applications.