Stainless Steel 321 and 321H Seamless Pipes

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Stainless Steel 321 and 321H Seamless Pipes Manufacturer, Supplier and Exporter in Manila, Philippines

Based in Manila, Philippines, Corazon Pipes and Tubes has established itself as a trusted partner for industries requiring precision-engineered metal solutions. We specialize in providing high-quality Stainless Steel 321/321H seamless pipes, offering a reliable supply for demanding applications. We understand that the integrity of your systems depends on the materials you use, which is why we focus on delivering products that combine superior craftsmanship with consistent performance, directly supporting the growth and efficiency of projects both locally and across international markets.

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The strength of our 321/321H pipes comes from their specific composition. They are stabilized with titanium, which provides exceptional resistance against sensitization and intergranular corrosion, particularly following exposure to high temperatures. This alloy maintains excellent mechanical properties, including good tensile strength and enhanced creep resistance, making it a robust choice where both durability and thermal stability are non-negotiable for long-term performance and safety.

Stainless Steel 321 and 321H Seamless Pipes Specification

Range : 6NB to 1200NB

Outer Diameter : 1/8″ NPS to 12″ NPS

Thickness : 0.6 mm to 12.7 mm

Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.

Length : Single Random, Double Random & Cut Length

Specifications : ASTM A312 / ASTM SA312

Types : Round, Square, Rectangle, Hydraulic, Honed Tubes

End : Plain End, Beveled End

Equivalent Grades for Stainless Steel 321 and 321H Seamless Pipes

STANDARD	UNS	WERKSTOFF NR.
SS 321	S32100	1.4541
SS 321H	S32109	1.4878

321 and 321H Stainless Steel Seamless Pipes Chemical Composition

SS	321	321H
Ni	09 – 12	09 – 12
N	0.10	0.10
Cr	17 – 19	17 – 19
C	0.08 max	0.04 – 0.08
Si	1 max	0.75 max
Mn	2 max	2 max
P	0.040 max	0.045 max
S	0.030 max	0.03 max
TI	4(C+N)	0.70 max

SS 321 and 321H Seamless Pipes Mechanical Properties

Grade	321	321H
Tensile Strength (MPa) min	515	515
Yield Strength 0.2% Proof (MPa) min	205	205
Elongation (% in 50mm) min	40	40
Hardness
Rockwell B (HR B) max	95	95
Brinell (HB) max	217	217

If You Are Looking To Buy High Quality

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

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Why Choose 321 and 321H Stainless Steel Seamless Pipes from Corazon Pipes and Tubes?

Choosing Stainless Steel 321 and 321H Seamless Pipes from Corazon Pipes and Tubes guarantees exceptional corrosion resistance and high temperature performance. Their pipes are manufactured to exacting standards, ensuring reliability and durability for complex applications. With a focus on customer service, Corazon offers customized solutions and technical support. In addition, the rugged design reduces leakage, making it reliable for a variety of applications.

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Largest 321 and 321H Stainless Steel Seamless Pipes Supplier in Manila, Philippines

Corazon Pipes and Tubes, one of the largest suppliers of Stainless Steel 321 and 321H Seamless Pipes in Manila, Philippines, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Grade specifications of SS 321 and 321H Seamless Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
Grade	UNS No	BS	En	No	Name	Swedish SS	Japanese JIS
321	S32100	321S31	58B, 58C	1.4541	X6CrNiTi18-10	2337	SUS 321
321H	S32109	321S51	–	1.4878	X6CrNiTi18-10	–	SUS 321H

Physical Properties of SS 321 and 321H Seamless Pipes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
			0-100°C	0-315°C	0-538°C	at 100°C	at 500°C
321	8027	193	16.6	17.2	18.6	16.1	22.2	500	720

Types of 321 and 321H Stainless Steel Seamless Pipes

Are Custom Sizes Available for 321 and 321H Stainless Steel Seamless Pipes?

Yes, we offer custom sizes for Stainless Steel 321 and 321H Seamless Pipes to meet your specific requirements. Our team at Corazon Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@corazonpipes.com.

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You’ll find Stainless Steel 321 and 321H Seamless Pipes in a variety of applications, including boilers, heat exchangers, pressure vessels, and piping systems that operate under high temperatures. They’re also essential in petrochemical and chemical plants, oil & gas facilities, and power generation units that require corrosion-resistant and heat-resistant piping solutions. Plus, they’re perfect for furnace components, industrial ovens, and high-temperature process piping where long-term strength and reliability are crucial. Their blend of mechanical strength and durability makes them a go-to choice for demanding environments.