DINCUZN30/2.0256/JIS C2600/GB H70Brass 

we have our own cooperative copper factory,mainly do aluminum bronze and brass,both have sheet,bar,pipe and wire

Specifications

Brass H70 brass has a very good plastic (in solidifying) and higher strength, machinability is good, easy to welding, for the average corrosion is very stable, but easy to produce corrosion cracking.H70 brass used in heat exchanger, paper tube, mechanical and electronic components

Copper Cu: 68.5 ~ 71.5
Zinc and zinc: allowance
Lead Pb: 0.03 or less
P P: 0.01 or less
Iron Fe: 0.10 or less
Stibium: 0.005 or less
Bi Bi: 0.005 or less
Note: 0.3 or less (impurities)

Detailed information

1. Grade:   

1)JIS: C3601    C3602   C3603    C3604    C3605  C3712 C3771   

 2)UNS:C36000  C37100  C37700  C48500  C67600 etc.

 2. Diameter Size: 4mm to 80mm 3. Shape:   

1)Free Cutting Brass Rod   

 2)Brass Round Rod   

 3)Brass Square Rod   

4)Brass Hexagon Rod   

5)Forging Brass Rod

4. EN Standard: ASTM, ASTM B453, ASTM B16, ASTM B21, ASTM B138

 Our Main Products

Bronze 

1 chromium bronze QCR0.5  QCR0.5-0.2-0.1   QCR0.6-0.4-0.05

2  phosphor bronze PB1  PB2

3  packfong C2112C2111   C2113

4   silicon bronze QSI3-1  QSI 1-3  QSN3.5-3-1.5

5   manganese bronze  QMN1.5    QMN2 QMN5

6  lead bronze  ZCuPb10Sn10    ZCuPb15Sn8     ZCuPb20Sn5    ZCuPb17Sn4Zn4

7 aluminum bronze QAL9-4   QAL9-2  QAL9-4-4-2  QAL10-3-2  QAL25-6-6-6   QAL10-4-4   QAL10-5-5   QAL11-6-6

8 tin bronze  QSn4-3,QSn6.5-0.1,QSn7-0.2,QSn6.5-0.4, QSn1.5-0.2  , QSn4-4-4  QSn7-0.2  QSn8-0.3  , ZQSn6-6-3 , ZCuSn5Pb5Zn5, ZCuSn10Pb1, ZCuSn10Pb2 ,3-8-6-1 , 3-11-4

brass

1  iron aluminium brass 35-2-2-1  38-2-2

2 aluminum brass HAL66-6-3-2,HAL61-4-3-2,HAL60-1-1,HAL59-3-2

3 brass H90,H62,H68,H85,H70,H65

4 lead brass HPB63-3,HPB63-0.1,HPB62-0.8,HPB62-2,HPB60-2,HPB59-3,HPB59-1

certificates

process of produce

some of our products