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Chemical composition % of the ladle analysis of grade ISO 21

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Ti(%)
Max 0.080 Max 1.00 Max 2.00 Max 0.045 Max 0.030 16.5-18.5 10.5-13.5 2.00-2.50 5xC%≤Ti≤0.60
ISO standard thermal deformation of stainless steel
Mechanical properties of grade ISO 21
Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
419 (≥) 276 (≥) 31 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 232
Physical properties of grade ISO 21
Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
282 (≥) 458 (≥) 13 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
861 148 996
ISO 21 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1Cr21Ni5Ti
Cold rolled stainless steel sheets and plates
5Cr21Mn9Ni4N
Heat-resisting steel bars
2Cr21Ni12N
Heat-resisting steel bars
GH2130
Classification and designation for superalloys and high temperature intermetallic materials
GH2132
Classification and designation for superalloys and high temperature intermetallic materials
GH2135
Classification and designation for superalloys and high temperature intermetallic materials
GH2136
Classification and designation for superalloys and high temperature intermetallic materials
XM-31
Chemical compositions of SAE wrought stainless steels
S21400
Chemical compositions of SAE wrought stainless steels
S21460
Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
S21500
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
216
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-479 Type XM-17
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 Type XM-17
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 479 XM-17
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 492 Type XM-17
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 959 Type XM-17
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
S21600
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
216L
Chemical compositions of SAE wrought stainless steels
S21603
Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel

Relevant products

ISO 21 Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
IncoloyA-286 / GH 2132 Stock Φ8-65mm*L Round Bar Kgs 489 Hot-Rolled+Annealed+black Enquiry

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