Super Duplex Steel UNS S32750 Pipes Manufacturer and Supplier in Thailand

Super Duplex Steel F53 Seamless Pipes is high-alloy stainless steel pipe made without welds. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., based in Chon Buri, is a trusted supplier of high-quality UNS S32750 seamless pipes meeting strict industry standards. We offer pipes with exceptional strength and corrosion resistance, making them ideal for demanding environments. These pipes are available in a wide range of dimensions, wall thicknesses and surface finishes. With a commitment to competitive prices, we guarantee prompt delivery and various shipping options. As a reliable UNS S32750 seamless pipe manufacturer, we provide test certificates and our pipes comply with ASTM A790 standards.

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Product Overview: Super Duplex UNS S32750 Seamless Pipes

Super Duplex Steel UNS S32750 Seamless Pipes belong to the duplex stainless steel family and feature a balanced austenite and ferrite microstructure. This unique structure offers excellent strength and corrosion resistance along with durability in demanding environments. The alloy is composed of key elements like chromium, nickel, molybdenum and nitrogen, enhancing resistance to pitting, crevice corrosion and stress corrosion cracking. Key properties include high tensile and yield strength, good elongation and reliable hardness. Dimensional ranges cover various outer diameters, wall thicknesses, lengths and standard schedules. Available surface finishes include annealed, pickled and polished. These non-magnetic pipes are produced with precise manufacturing tolerances for consistent quality.

Key Features of UNS S32750 Seamless Pipes

Super duplex steel SAF 2507 pipes feature durable performance, strength and reliability across various industrial applications.

These pipes deliver exceptional load-bearing capacity in high-pressure and high-stress conditions.

Super Duplex 2507 seamless pipe performs reliably in aggressive chemical and marine environments.

These pipes withstand localized corrosion even in chloride-rich environments.

Easily welded without compromising structural integrity or corrosion resistance.

S32750 seamless pipes resist cracking under tensile stress and corrosive conditions.

Why Choose Our Super Duplex S32750 Seamless Pipes?

We are the best ASTM 790 Super Duplex Seamless Pipes supplier in Thailand, known for delivering top-quality products at competitive prices. Our pipes meet ASTM and ASME standards, come with necessary certifications and are trusted by customers for consistent performance. We ensure fast delivery, great service and excellent customer reviews.

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UNS S32750 Super Duplex Steel Seamless Pipes Specification

The detailed specifications for UNS S32750 seamless pipes including schedule, length, dimensions, material grades and more are mentioned below.

Seamless Pipes	ASTM A790 / ASME SA790
Thickness	0.5-45mm
Outer Diameter	6.0-630mm
Dimensions	OD(6.0-630) × WT(0.5-45)mm
Schedule	SCH20, SCH30, SCH40, STD, SCH80
Length	Single Random, Double Random and Cut Length

Equivalent Grades of S32750 Seamless Pipes

S32750 Seamless Pipes equivalent table includes international material codes, DIN numbers, and UNS numbers.

Standard	WERKSTOFF NR.	UNS
Super Duplex S2507	1.4410	S32750

Chemical Composition of ASTM A790 UNS S32750 Seamless Pipes

The S32750 Seamless Pipes chemical composition table highlights essential elements such as chromium, nickel, carbon, and manganese levels.

Grade	C	Mn	P	S	Si	Ni	Cr	Mo	N	Cu
S32750	≤0.03	≤1.20	≤0.035	≤0.002	≤0.80	6.00-8.00	24.00-26.00	3.00-5.00	0.24-0.32	≤0.50

Mechanical Properties Super Duplex Steel F53 Seamless Pipes

The key mechanical properties of super duplex Steel F53 seamless pipes, including tensile strength, hardness and elongation are given below

UNS No	Grade	Proof Stress 0.2% (MPa)	Tensile Strength (MPa)	Elongation A5(%)	Hardness Max
UNS No	Grade	Proof Stress 0.2% (MPa)	Tensile Strength (MPa)	Elongation A5(%)	HB	HRB
S32750	2507	550	795	15	310	32*

Super Duplex 2507 Seamless Pipes Pressure Rating

This super duplex F3 seamless pipe pressure rating table provides working pressure levels across various sizes and temperature conditions.

Pipes O.D. (in.)	Wall Thickness of Tubes (inches)
	.028	.035	.049	.065	.083	.095	.109	.120
	Working Pressure (psig)
1/8	7900	10100
1/4	3700	4C22	7000	9500
5/16		3700	5400	7300
3/8		3100	4400	6100
1/2		2300	3200	4400
3/4			2200	3000	4000	4600
1				2200	2900	3400	3900	4300

2507 Super Duplex Stainless Steel Seamless Pipes Tolerances

The table below provides details of the heat treatment process for stainless steel pipes, including UNS designation, heat treating temperature, and cooling or testing requirements to enhance mechanical properties and performance.

OD	Wall	Lengths
<1-1/2" (38.1 mm) ±0.005" (0.13 mm) 1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm) 3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)	±10%	Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0" Coils to 80,000' (24,384 m)
±0.005" (0.127 mm)	±10%	Coils to 80,000' (24,384 m)

Wall

Lengths

<1-1/2" (38.1 mm) ±0.005" (0.13 mm)

1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm)

3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)

±10%

Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

±0.005" (0.127 mm)

±10%

Coils to 80,000' (24,384 m)

Super Duplex Steel S32750 Seamless Pipes Manufacturing Process

The manufacturing of super duplex steel F53 seamless pipes includes a five-step process which is given below. We follow a precise and professional manufacturing process to ensure compliance with industry standards.

1. Raw Material Selection

High-quality super duplex stainless steel billets and strips are carefully selected for superior strength and corrosion resistance.

2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.

3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.

4. Cold Working & Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.

5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.

Applications of Super Duplex Stainless Steel S32750 Seamless Pipes

Super Duplex S32750 Seamless Pipes are primarily used in the offshore oil and gas industry for subsea pipelines and risers. Their high strength and resistance to chloride-induced corrosion make them ideal for chemical processing and desalination plants.

Oil and Gas Industry

Marine Applications

Chemical Industry

Petrochemical Industry

Power Plants

Aerospace & Defense

Automotive and Transportation

Desalination Plants

Pulp and Paper Industry

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FAQ

Are Super Duplex Steel UNS S32750 Seamless Pipes corrosion-resistant?

Yes, Super Duplex Steel UNS S32750 Seamless Pipes are highly corrosion-resistant. The high content of chromium, molybdenum, and nitrogen in the alloy gives it superior resistance. It performs exceptionally well against general corrosion, pitting, crevice corrosion, and stress corrosion cracking, especially in aggressive chloride environments like seawater.

Can a supplier provide customized Super Duplex Steel UNS S32750 Seamless Pipes?

As a trusted supplier of industrial piping, we confirm that we can provide customized Super Duplex Steel UNS S32750 Seamless Pipes. We work closely with our clients to meet exact project specifications. Customization options often include specific wall thicknesses, cut-to-length sizes, and end preparations.

What is UNS S32760 material?

UNS S32760 is another premium grade of Super Duplex Stainless Steel. Like S32750, it offers excellent mechanical strength and corrosion resistance. It sometimes includes small additions of tungsten and copper for even further enhanced corrosion performance in specific, highly acidic chemical settings. It is a material selected for very harsh service conditions.

What is the yield strength of Super Duplex Steel UNS S32750 Seamless Pipes?

The typical minimum yield strength for Super Duplex Steel UNS S32750 Seamless Pipes is 550 MPa (80,000 psi). This high strength is a key advantage of the material, allowing for the use of thinner-walled pipes. The exceptional strength makes it perfect for high-pressure applications and reducing the overall weight of a system.

Is S32750 a duplex or super duplex?

UNS S32750 is classified as a super duplex stainless steel. This classification is due to its high Pitting Resistance Equivalent Number (PREN), which is typically above 40. The elevated PREN value comes from its rich chemical composition, placing it in the superior performance category beyond standard duplex grades.