CuBe2 2.1247 - DIN 17672-1-1983

Grade	CuBe2
Germany W-Nr.	2.1247
Corresponding Standard	DIN 17672-1-1983 Wrought copper and copper alloys bars；Properties.
Classification	Copper and Copper Alloys
Density	8.3 g/cm³

CuBe2 Chemical Element Composition Content (%)

Component	Be	Other Total	More
Minimum Value	1.8	-	Cu:余量；Ni+Co≥0.2；Ni+Fe+Co≤0.6
Maximum Value	2.1	0.5	Cu:余量；Ni+Co≥0.2；Ni+Fe+Co≤0.6

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

CuBe2 Mechanical Properties

diameter/thickness d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Round products; 2<d≤60	2.1247.40	Solution F42 (.40)	420~600	140~210	≥35(AL=100)	HV 90~125
Round products; 2<d≤60	2.1247.60	Solution + Artificial Aging F115 (.60)	1150~1350	1000~1250	-	HV 360~390
Rounds; 2<d≤25	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	650~800	500~750	-	HV 200~250
Rounds; 25<d≤35	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	600~800	500~750	-	HV 180~240
Rounds; 2<d≤25	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1300~1500	1150~1400	-	HV 390~430
Rounds; 25<d≤35	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1200~1500	1050~1400	-	HV 380~420
Squares, hexagons; d≤55	2.1247.40	Solution F42 (.40)	420~600	140~210	≥35(AL=100)	HV 90~125
Squares, hexagons; d≤55	2.1247.60	Solution + Artificial Aging F115 (.60)	1150~1350	1000~1250	-	HV 360~390
Square and hexagonal products; d≤20	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	650~800	500~750	-	HV 200~250
Squares, hexagons; 20<d≤30	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	600~800	500~750	-	HV 180~240
Square section, hexagonal section; d ≤ 15	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1300~1500	1150~1400	-	HV 390~430
Squares, hexagons; 20<d≤30	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1200~1500	1050~1400	-	HV 380~420
Flat products; d≤50	2.1247.40	Solution F42 (.40)	420~600	140~210	≥35(AL=100)	HV 90~125
Flat products; d≤50	2.1247.60	Solution + Artificial Aging F115 (.60)	1150~1350	1000~1250	-	HV 360~390
Flat material; d≤15	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	650~800	500~750	-	HV 200~250
Flat material; 15<d≤25	2.1247.55	Solution Heat Treatment to 1/2 Hard F65 (.55)	600~800	500~750	-	HV 180~240
Flat material; d≤15	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1300~1500	1150~1400	-	HV 390~430
Flat material; 15<d≤25	2.1247.75	Solution Heat Treatment, Cold Work Hardened to 1/2 + Artificial Aging F130 (.75)	1200~1500	1050~1400	-	HV 380~420

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17672-1-1983	Grade Germany W-Nr.
DIN EN 12163-1998	Grade Germany W-Nr. Old Grade
DIN EN 12163-2016	Grade Germany W-Nr.

1 Approximate Comparison Table Processing of High Copper Alloys

China		Japan	United States		International Organization for Standardization		Germany		European Standard		Russia
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade	GOST
TBe2 QBe2	T17720	C1720 C17200	97.8Cu-1.9Be-.3Co	C17200	CuBe2	C17200	CuBe2	C17200 2.1247	CuBe2	CW101C	БрБН2

2 Approximate Comparison Table Copper and Copper Alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuBe2	2.1247	CuBe2	CW101C

CuBe2 Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuBe2 CW101C
2	EN 12166-1998
	CuBe2 CW101C
3	EN 1654-1998
	CuBe2 CW101C
4	EN 12166-2016
	CuBe2 CW101C
5	DIN 17672-1-1983
	CuBe2 2.1247
6	DIN EN 12163-1998
	CuBe2 CW101C (2.1247)
7	DIN EN 12163-2016
	CuBe2 CW101C
8	DIN EN 12166-2016
	CuBe2 CW101C
9	DIN EN 12166-1998
	CuBe2 CW101C
10	DIN 17666-1983
	CuBe2 2.1247
11	EN 12163-2016
	CuBe2 CW101C
12	DIN 2076-1984
	CuBe2
13	EN 12167-2024
	CuBe2 CW101C

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