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5Cr21Mn9Ni4N Application:Stainless steel bars

Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	5Cr21Mn9Ni4N	GBT	China

Chemical composition % of the ladle analysis of grade 5Cr21Mn9Ni4N

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	N(%)	Cu(%)	Other(%)
0.48-0.58	0.35	8.0-10.0	0.04	0.03	20.0-22.0	3.25-4.5	0.35-0.5	0.3	C+N≥0.90

This standard specifies the stainless steel rods order contents, classification, code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, logo and certificate of quality.This standard applies to the size is not more than 250 mm hot rolled and forged stainless steel rods.The supply and demand both sides talks things over, can also supply the size larger than 250 mm hot rolled and forged stainless steel rods.

Mechanical properties of grade 5Cr21Mn9Ni4N

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)
754 (≥)	412 (≥)	12	31	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical properties of grade 5Cr21Mn9Ni4N

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
573 (≥)	671 (≥)	31	33	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	211
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
559	963	649

5Cr21Mn9Ni4N 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
5Cr21Mn9Ni4N	GBT	China	Heat-resisting steel bars

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