Alloy Steel P1 Pipes

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Thabiso Steel, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in top-notch **Alloy Steel P1 Pipes** that are perfect for high-pressure, high-temperature, and heavy-duty industrial applications. These pipes are expertly crafted to deliver outstanding strength, toughness, and resistance to corrosion, ensuring they perform reliably in even the most demanding piping and process systems. Adhering to international standards, Thabiso Steel promises consistent mechanical performance and a long lifespan. Catering to sectors like oil and gas, petrochemical, power generation, and chemical processing, the company provides Alloy Steel P1 Pipes that blend durability, operational efficiency, and structural integrity, making them a go-to choice throughout South Africa.

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Alloy Steel P1 Seamless Pipes

Alloy Steel Gr P1 Welded Pipes

Alloy Steel Grade P1 EFW Pipes

What is Alloy Steel P1 Pipes?

**Alloy Steel P1 Pipes** are made from high-quality alloy steel, with carefully balanced levels of carbon, chromium, and molybdenum to boost tensile strength, hardness, and corrosion resistance. These pipes showcase impressive yield and tensile strength, exceptional impact resistance, and stability in dimensions even under high-pressure and high-temperature conditions. Their fine-grain microstructure guarantees weldability, toughness, and long-lasting durability, making Alloy Steel P1 Pipes ideal for critical industrial applications that require both mechanical and thermal reliability.

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Alloy Steel P1 Pipes Specification

Alloy Steel P1 pipe Size	1/2” NB to 36” NB
P1 Grade Steel Pipe Standard	ASTM A335 P1, SA335 P1 (with IBR Test Certificate)
ASTM A335 P1 Alloy Steel Pipe Schedules	SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
SA335 P1 Pipe Thickness	3-12mm
ASTM A335 P1 Pipes Tolerance	Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm
ASTM A335 GR P1 Pipes Type	Seamless / ERW / Welded / Fabricated
Craft	Cold rolled and Cold drawn
UNS K11522 Pipes Length	Standard Double & In Cut length also.
ASTM A335 P1 Pipes available in Form of	Round, Square, Rectangular, Hydraulic Etc.
Specialized in	Large Diameter ASTM A335 P1 Pipe
Sa335 Grade P1 Pipe End	Plain End, Beveled End, Treaded
Application	Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Additional Testing	NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc.

Alloy Steel P1 Pipes Chemical Composition

Alloy Steel P1	C	Cr	S	Si	Mn	Mo	P
Alloy Steel P1	0.05 – 0.15	1.00 – 1.50	0.025 max	0.50 – 1.00	0.30 – 0.60	0.44 – 0.65	0.025 max

Alloy Steel P1 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 P1 Pipes in Cape Town, South Africa

ThabisoSteel is a major manufacturer and a supplier of premium Alloy Steel P1 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.

Equivalent Grades Of Alloy Steel P1 Pipes

ASTM

ASME

JIS G 3458

UNS

DIN

ISO

ABS

A335 P1

SA335 P1

STPA 12

K11597

–

17175

15Mo3

2604 II TS26

ABS 6

KSTPA 12

17177
15Mo3

2604 III TW26

ASTM A335 P1 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 P1 Pipes

Alloy Steel P1 Rectangular Pipe

Gr P1 Alloy Steel Hydraulic Pipes

Alloy Steel P1 Hexagonal Pipe

Alloy Steel Grade P1 Round Pipe

P1 Alloy Steel Hollow Pipes

Gr. P1 Alloy Steel Square Pipe

Alloy Steel P1 Pipes Weight Chart

ASTM A335 P1 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 P1 Pipes

**Alloy Steel P1 Pipes** are extensively utilized in industries that require strong, durable, and corrosion-resistant piping solutions. They’re commonly found in oil and gas pipelines, petrochemical facilities, refineries, and power plant piping systems. Moreover, they are also used in chemical processing units, high-pressure piping networks, and industrial machinery where toughness, thermal stability, and long-term reliability are essential. The combination of mechanical strength, wear resistance, and operational durability ensures safe and efficient performance, making Alloy Steel P1 Pipes perfect for energy, industrial, and heavy engineering applications.