Stainless Steel 321 Seamless Pipe Supplier

We at Priminox Overseas are among the well-known 321 stainless steel pipe manufacturers, who offer the best quality SS 321 seamless pipes and SS 321H pipes to buyers across different sectors. Stainless Steel 321 & 321H seamless pipes are perfect for high temperature applications in chemical processing, oil and gas & aerospace industries because of high tensiled strength and highly resistance to corrosion.

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Overview of Stainless Steel 321 Pipes

Stainless Steel 321 is a titanium-stabilized austenitic chromium nickel stainless steel developed for service at excellent high temperature strength and good corrosion resistance. This makes it perfect for applications where one requires to take time in heating this product up or if one requires to heat it up for a long time. Stainless Steel 321H is a high-carbon type and it has better strength level as compared to other type; which is well suitable for applications in high temperature environments. These new applications include heat exchangers, chemical processing, alloy 321H can handle temperatures above 800°F (427°C), and other equipment like high temperate exhaust systems for SS 321 seamless pipes.

Why Choose Priminox Overseas for your Stainless Steel Needs?

And being one of the trusted SS 321H pipe manufacturers and exporters, Priminox Overseas has upgraded its products with ASTM and ASME specifications for SS 321 seamless pipe and alloy 321 pipe. We have established a large inventory of stainless steel 321 pipes in various dimensions and thickness to fulfill the needs of the various industries.

Applications of 321 stainless steel pipe

Heat exchanger tubes and boiler tubes
Components in petrochemical plants
Furnace parts and exhaust manifolds for aircraft
High-temperature chemical processing systems

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We also Provide Seamless Pipes in other following Grade

Stainless Steel 304 Seamless Pipes

Stainless Steel 310 Seamless Pipes

Stainless Steel 316 Seamless Pipes

Stainless Steel 316Ti Seamless Pipes

Stainless Steel 347 Seamless Pipes

Stainless Steel 904L Seamless Pipes

ASTM A312 Stainless Steel Seamless & Welded Pipes

321 / 321H Stainless Steel Seamless Pipe Specification

Trade name	Stainless Steel 321 Seamless Pipe
Stainless Steel 321 Pipes Standard	AISI, DIN, EN, GB, JIS, ASTM, ASME
321 Stainless Steel Seamless Pipe Dimensions	ANSI/ASME B36.19, B36.10
ASTM A312 321 Stainless Steel Seamless Pipe OD	6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
Wall Thickness	0.3mm – 50 mm
Stainless Steel 321 Seamless Pipe Available Sizes	3/8″ NB to 12″ NB Schedule 10s 1/8″ NB to 12″ NB Schedule 40s 1/8″ NB to 12″ NB Schedule 80s 4″ NB to 8″ NB Schedule 120 1/2″ NB to 10″ NB Schedule 160 1/2″ NB to 6″ NB Schedule XXS
Pipe Schedule	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Grade SA312 TP321 Seamless Pipe Finish & Surface Treatment	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish,etc
Form	Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, “U” Shape, Pan Cake Coils etc.
Length	Single Random, Double Random, Standard & Cut length
End	Plain End, Beveled End, Treaded.
ASTM A312 TP 321 Seamless Pipe Manufacturing Techniques	Seamless / ERW/ EFW / Welded / Fabricated / CDW / DOM / CEW Pipes
SA 312 Gr 321 Stainless Steel Seamless Pipes Marking	All Pipes are marked as follows: Grade, Standard, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Delivery Time	7-15 working days as usual, It will based on the detailed order quantity.
Payment Terms	Paypal, Western Union, T/T (Telegraphic Transfer or Wire Transfer), L/C or Trade Assurance 30% deposit & balance before shipping
Free Sample	Yes if we have in stock
UNS S32100 Stainless Steel Seamless Pipe testing reports	EN 10204/3.1B NACE 3.1 Certification Mill Test Certification ISO 17025 Standards by a Government of India approved Laboratory Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report and others as required Positive Material Identification is done on all raw material procured at Priminox Overseas
SA 312 TP 321 Stainless Steel Seamless Pipes Origin & Mills	Japanese, Indian, USA, Korean, European, Russian, Ukraine (Strictly No China)
Stainless Steel 321 UNS S32100 Seamless Pipe Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

Equivalent Grade of SS 321 / 321H Seamless Pipe

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
SS 321	1.4541	S32100	SUS 321	X6CrNiTi18-10
SS 321H	1.4878	S32109	SUS 321H	X12CrNiTi18-9

Ready Stock of 321 / 321H Stainless Steel Seamless Pipe

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321H Seamless Pipe

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321/321H Seamless Pipe

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SS 321/321H Square Seamless Pipe
321/321H Rectangular Seamless Pipe
321/321H SS Round Seamless Pipe

ASME SA312 TP321, 321H Stainless Steel Seamless Pipe Price

ASTM A312 TP 321 Stainless Steel Seamless Pipe : FOB Price US $1,500.00-$3,000.00 / Ton
321H Stainless Steel Seamless Pipe : FOB Price US $1,000.00-$3,000.00/ Ton
Stainless Steel 321 Round Seamless Pipes : FOB Price US $800.00-$5,800.00/ Ton
ASTM A312 TP 321H BA Polishing Seamless Stainless Steel Pipe : FOB Price US $1,799.00-$1,999.00/ Ton
ASME SA312 TP 321 Stainless Steel Seamless Pipe : FOB Price US $1,000.00-$4,000.00/ Ton

Stainless Steel 321 / 321H Seamless Pipe Chemical Composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	5(C+N) – 0.70 max
SS 321H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	4(C+N) – 0.70 max

ASTM A312 TP321 / 321H Seamless Pipes Mechanical Properties

Density	Melting Point	Tensilee Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1457 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Widest Stock of 321, 321H Stainless Steel Seamless Pipes

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321 Cold Drawn Seamless Stainless Steel Pipe

Stainless Steel 321H Seamless Pipe Manufacturer
ASME B36.19 Stainless Steel 321H Seamless Pipe
ASTM A312 TP321H Stainless Steel Seamless Pipe
Stainless Steel 321 Seamless Pipe
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Suppliers Stockist and Distributors Of World's Top 10 Manufacturers Of SS 321 / 321H Seamless Pipes

Approved In The Following Top Refineries Across The Globe

Application of Stainless Steel 321, 321H Seamless Pipes

Oil & Gas Industry 80%

Chemical Industry 70%

Power Plants Industry 85%

Nuclear Plants Industry 90%

Ship Building Industry 75%

Paper & Pulp Industry 65%

Manufacturer Stainless Steel 321, 321H Seamless Pipes

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