Titanium Stabilized 321 Stainless Steel Plate High Temperature Resistant Cold Rolled UNS S32100

Price Negotiable

Price: US $1.65-4.15 / kg

MOQ: 50 kg

Delivery Time: Negotiable

Product Description

Grade 321/321H Stainless Steel Plate Overview

Grade 321 stainless steel is a titanium-stabilized austenitic stainless steel designed for service in the 1000-1600°F temperature range. This alloy offers excellent resistance to intergranular corrosion and polythionic acid stress corrosion cracking, making it ideal for high-temperature applications.

Product Specifications

Available Forms

Sheet, Plate, Coil, Strip
Wire, Pipe, Tube, Bar
Profile, Round, Flat, Square, Hexagonal

Standard Specifications

ASTM A240, ASME SA240
BS EN 10028-7, BS EN 10088-2, BS EN 10088-4
EN 10088/2, EN 10088/4 with CE Marking
NACE MR 0175/ISO 15156 Certification

Dimension Ranges

Parameter	Range
Width	600mm - 2030mm
Thickness	0.1mm - 120.0mm
Length	300mm - 6000mm (Max 18000mm)

Surface Finishes

No.1, 2B, BA, No.3, No.4, No.5, No.8, HL, Etching, SB, Ti-coating, color-coating, embossing

Chemical Composition

Element	Content (%)
Carbon	0.08
Chromium	17.0-19.0
Nickel	9.0-12.0
Manganese	2.00
Silicon	0.75
Nitrogen	0.10
Phosphorus	0.045
Sulfur	0.030
Titanium	5(C+N) min / 0.70 max

Mechanical Properties

Property	Value
Yield Strength, min. (ksi)	30
Tensile Strength, min. (ksi)	75
Elongation, min. (%)	40
Hardness, max. (Rb)	95

Physical Properties

Property	Value
Density (lb/in³)	0.286
Modulus of Elasticity (psi)	28.0 x 10⁶
Coefficient of Thermal Expansion (/˚F)	9.2 x 10⁻⁶
Thermal Conductivity (Btu/ft hr ˚F)	9.3
Specific Heat (Btu/lb ˚F)	0.12
Electrical Resistivity (Microohm-in)	28.4

Applications

Aircraft piston engine manifolds
Expansion joints
Firearms production
Thermal oxidizers
Refinery equipment
High temperature chemical process equipment

International Equivalents

Grade 321 stainless steel is known by various international designations including UNS S32100, AISI 321, SUS 321, DIN 1.4541, EN X6CrNiTi18-10, and GOST 08X18H10T among many others.

Alternative Grades

Grade	Application Consideration
304L	When resistance to intergranular corrosion is required without high-temperature strength
3CR12	For mild high-temperature environments up to approximately 600°C
304H	For mild high-temperature environments up to approximately 800°C
310	For operating temperatures up to approximately 1100°C
S30815 (253MA)	For operating temperatures up to approximately 1150°C