Stainless Steel 321/321H

Stainless Steel 321 Sheets can be welded using most of the resistance and fusion methods. Stainless Steel 321 Plates also possesses good low temperature toughness and is non-magnetic in the annealed condition. In addition to its heat resistance properties, Stainless Steel 321 Coils also enjoys better resistance against creep and stress rupture corrosions. Stainless Steel 321H Sheets is used in Oil Refineries, Fluid catalytic cracking units, Hanger rods, and more. Like most other austenitic alloys, Stainless Steel 321H Plates work hardens and may require annealing after severe forming. Niobium in Stainless Steel 321H Coils has been added to suppress grain boundary Chromium Carbide precipitation.

Stainless Steel 321/321H Sheets & Plates Specification

Grade	Stainless Steel 321/321H (UNS S32100/S32109)
Standard	ASTM A240 / ASME SA240
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Thickness	4 mm To 100 mm
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Form	Sheets, Plates, Coils, Slatting Coils, Perforated Coils
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)

Typical Analysis

321	Cr%	Ni%	Mo%	Ti%	C%	Cu%	Mn%	Si%	N%
MIN	17.0	9.0	-	(5xC+N)	-	-	-	0.25	-
MAX	19.0	12.0	0.75	0.7	0.08	0.75	2.0	1.0	0.1

Mechanical Properties

Properties quoted below are guideline figures only and should not be used for any design purposes.

-	0.2% Proof (Nmm²)	UTS (Nmm²)	Elongation (%)
321 (1.4541)	200 - 300	500 - 700	40

Related Specs & Trade Names

1.4541, Grade 321, Alloy 321, AISI 321, TYPE 321, UNS S32100, X6CrNiTi18-10, ASTM A240, 321H, 321 Stainless, T.321, SS321, 321SS, 321

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