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EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

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Yuhong Group Co.,Ltd

City: ningbo

Province/State:zhejiang

Country/Region:china

Tel:0086-574-88013900

Contact Person:
Mr.Jikin Cai View Contact Details

EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

Brand Name	YUHONG
Model Number	EN12449 CuZn20Al2As
Certification	ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS
Place of Origin	CHINA
Minimum Order Quantity	1000KGS
Price	Negotiable
Supply Ability	1500 tons per month
Delivery Time	2-3 WEEKS
Packaging Details	Strong Iron Case Packing
Payment Terms	L/C, T/T
Standard	EN12449:1999
Material	CuZn20Al2As
Test	Tensile test, Hardness tes, Eddy current test, hydraulic test, Peneumatic test
Application	Power Plants Condenser, heat exchangers

Detailed Product Description

EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

Plant Condensers: Optimal Corrosion & Thermal Performance

YUHONG Material: CuZn20Al2As (UNS C68700)
YUHONG Standard: EN 12449:2018 Compliant
YUHONG Application: High-Pressure Steam Condensers
YUHONG Properties: Seawater Corrosion Resistance | Anti-Biofouling | High Thermal Conductivity
YUHONG Certification: SCC Tested per EN ISO 196 (Ammonia Vapor)

EN12449 Chemical Compositions

EN Designation

UNS Number

Alloy Name

Cu (+Ag)

Other Elements

Cu + Sum Listed Elements

CW004A

C11000

Copper

≥99.90

0.005

–

≥99.97

CW008A

C12000

Phosphorus deoxidized Cu

≥99.90

0.005

–

0.004–0.012

–

≥99.97

CW024A

C21000

Gilding brass

94.0–96.0

0.05

–

Rem.

–

≥99.5

CW502L

C22000

Commercial bronze

89.0–91.0

0.05

–

Rem.

–

≥99.5

CW506L

C23000

Red brass

84.0–86.0

0.05

–

Rem.

–

≥99.5

CW507L

C24000

Low brass

78.5–81.5

0.05

–

Rem.

–

≥99.5

CW508L

C26000

Cartridge brass

68.5–71.5

0.07

0.05

–

Rem.

–

≥99.5

CW600L

C31400

Leaded commercial bronze

87.0–89.0

0.7–1.2

0.1

–

Rem.

–

≥99.5

CW602N

C31600

Leaded brass

85.0–87.0

0.7–1.2

0.1

–

Rem.

–

≥99.5

CW614N

C33000

Leaded brass

65.0–68.0

0.25–0.7

0.07

–

Rem.

–

≥99.5

CW617N

C33500

Low-leaded brass

62.0–65.0

0.25–0.7

0.15

–

Rem.

–

≥99.5

CW702R

C68700

Aluminum brass (CuZn20Al2)

76.0–79.0

0.07

0.06

–

Rem.

–

1.8–2.5

–

0.02–0.10

–

≥99.5

CW704R

C44300

Admiralty brass

70.0–73.0

0.07

0.06

–

Rem.

–

0.02–0.10

–

≥99.5

CW706R

C44400

Inhibited brass

70.0–73.0

0.07

0.06

–

Rem.

–

0.02–0.10

–

P: 0.02–0.10

≥99.5

CW707R

C44500

Inhibited brass

70.0–73.0

0.07

0.06

–

Rem.

–

0.02–0.10

–

≥99.5

CW712R

C46400

Naval brass

60.0–63.0

0.2

0.1

0.7–1.0

Rem.

–

≥99.5

CW715N

C48600

Leaded silicon brass

87.0–90.0

0.7–1.4

0.2

1.3–2.2

Rem.

–

Si: 0.5 max

≥99.5

CW721R

C70600

CuNi10Fe

Rem.

0.02

1.0–2.0

–

9.0–11.0

–

0.5–1.0

–

Mn: 0.5–1.0

≥99.5

CW725R

C71500

CuNi30Fe

Rem.

0.02

0.4–1.0

–

29.0–32.0

–

0.5–1.0

–

Mn: 0.5–1.0

≥99.5

EN12449 Mechanical Properties

EN Designation	UNS Number	Temper (TP)	Rₘ (MPa) min	Rp₀.₂ (MPa) min	A (%) min¹	Hardness HBW max
CW004A	C11000	O60 (Soft)	200	40	43	45
		H110 (Hard)	290	250	6	100
CW008A	C12000	O60 (Soft)	200	40	43	45
CW024A	C21000	O60 (Soft)	240	80	40	65
CW502L	C22000	O60 (Soft)	270	80	42	65
CW506L	C23000	O60 (Soft)	300	100	45	75
CW507L	C24000	O60 (Soft)	330	110	45	80
CW508L	C26000	O60 (Soft)	340	120	42	100
		H110 (Hard)	500	420	10	150
CW600L	C31400	O50 (Light annealed)	270	80	40	75
CW602N	C31600	O50 (Light annealed)	270	80	40	75
CW614N	C33000	O50 (Light annealed)	340	140	25	95
CW617N	C33500	O50 (Light annealed)	340	140	25	95
CW702R	C68700	O50 (Light annealed)	450	180	25	130
		H110 (Hard)	650	550	8	210
CW704R	C44300	O60 (Soft)	340	120	45	100
CW706R	C44400	O60 (Soft)	340	120	45	100
CW707R	C44500	O60 (Soft)	340	120	45	100
CW712R	C46400	O60 (Soft)	380	170	35	115
		H110 (Hard)	550	450	12	200
CW715N	C48600	O50 (Light annealed)	340	140	25	95
CW721R	C70600	O50 (Light annealed)	340	120	30	90
CW725R	C71500	O50 (Light annealed)	370	120	30	100

EN12449 Supplementary Requirements (All Grades)

Property	Test Method	Requirement
Hydrostatic Test	EN ISO 10896	Min. pressure: 6 MPa (60 bar) for ≥10 sec; no leakage or deformation
Flare Test	EN ISO 8494	Expand to 25% of OD without cracking (for tubes ≤100mm OD in soft temper)
Grain Size (Soft Tubes)	ASTM E112 / ISO 2624	Min. grain size 0.020 mm (ASTM 6.0) for O60/O50 tempers
Stress Corrosion (SCC)	EN ISO 196 / ISO 6957	Optional: Pass ammonia vapor test (7 days, 35% NH₄OH) for brass alloys
Dezincification Resistance²	ISO 6509	For brass alloys: Max. depth 100 µm (Class B/C requirements vary per alloy)

Product Tags: ASME SB111 Seamless Tube C71500 Seamless Tube C68700 Seamless Tube

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