20SCrl 15 - Special Alloy

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**20SCrl 15** Application:tool steel
Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	20SCrl 15	STAS/SR	Romania

Chemical composition % of the ladle analysis of grade 20SCrl 15

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Cu(%)
1. 90-2.20	0.10-0.40	0.15-0.45	0.030	0.03	11.0-12.0	0.35	0.30

20SCrl 15

Mechanical properties of grade 20SCrl 15
Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
425 (≥)	927 (≥)	41	44	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	432

Physical properties of grade 20SCrl 15
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
261 (≥)	198 (≥)	42	42	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	311
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
767	359	664

20SCrl 15 Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates / Sheets	Plates / Sheets	0.08-200mm(T)WL	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
1Cr15	STAS/SR	Romania	Welded stainless steel tubes for machine structures
0Cr15Ni7Mo2Al	STAS/SR	Romania	Stainless steel bars
0Cr15Ni25Ti2MoA1VB	STAS/SR	Romania	Heat-resisting steel sheets and plates
GH1015	STAS/SR	Romania	Solid solution strengthening type iron base alloy
S20153	STAS/SR	Romania	Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
S21500	STAS/SR	Romania	Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel
A 167 S30215	STAS/SR	Romania	Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215	STAS/SR	Romania	Stainless Steel Bars and Shapes
A 314 S30215	STAS/SR	Romania	Stainless Steel Billets and Bars for Forging
A 473 S30215	STAS/SR	Romania	Stainless Steel Forgings
A 580 S30215	STAS/SR	Romania	Stainless Steel Wire
S30215	STAS/SR	Romania	Austenitic Chromium Nickel Stainless Steel
A 213 S30615	STAS/SR	Romania	Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S30615	STAS/SR	Romania	Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30615	STAS/SR	Romania	Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 312 S30615	STAS/SR	Romania	Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 959 S30615	STAS/SR	Romania	Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S30615	STAS/SR	Romania	Austenitic Chromium Nickel Silicon Heat Resisting Steel
SA-213 S30615	STAS/SR	Romania	Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 S30615	STAS/SR	Romania	Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications