GUNMETAL BRONZE ALLOYS Chemical Composition |
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| LTB-1 |
| Standard: IS: 318-1981 |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | AL | SI | SB | Impurities | | LTB-1 | Rem. | 6-8 | 2.5-3.5 | 1.5-3 | 0.3 | 2 | 0.01 | 0.01 | 0.3 | 0.7 | | |
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| LTB-2 |
| Standard: IS: 318-1981 |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | AL | SI | SB | Impurities | | LTB-2 | Rem. | 4-6 | 4-6 | 4-6 | 0.35 | 2 | 0.01 | 0.02 | 0.4 | 0.8 | | |
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| LG-1 |
| Standard: BS 1400 |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | S | BI | Impurities | | LG-1 | Rem. | 2-3.5 | 4-6 | 7-9.5 | 0.5 | 2 | 0.03 | 0.01 | 0.02 | 0.25 | 0.08 | 0.1 | 1 | | |
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| LG-2 |
| Standard: BS 1400 |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | AL | SI | SB | BI | Impurities | | LG-2 | Rem. | 4-6 | 4-6 | 4-6 | 0.5 | 2 | 0.01 | 0.02 | | 0.05 | 0.8 | | |
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| LG-4 |
| Standard: BS 1400 |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | AL | SI | SB | BI | Impurities | | LG-4 | Rem. | 6-8.05 | 2.5-3.5 | 1.5-3 | 0.2 | 2 | 0.01 | 0.01 | 0.25 | 0.05 | 0.7 | | |
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| RG-5 |
| Standard: DIN |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | MN | SI | SB | S | | RG-5 | 84-86 | 4-6 | 4-6 | 4-6 | 0.2 | 2 | 0.03 | 0.01 | 0.1 | 0.01 | 0.25 | 0.06 | | |
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| RG-7 |
| Standard: DIN |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | MN | SI | SB | S | | RG-7 | 83-85 | 6.8-8 | 5.3-7 | 3.3-5 | 0.2 | 1-1.5 | 0.03 | 0.01 | 0.1 | 0.01 | 0.25 | 0.03 | | |
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| BC-1 |
| Standard: JIS |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | | BC-1 | 79-83 | 2 - 4 | 3-7 | 8-12 | 0.35 | 1 | 0.05 | 0.01 | 0.01 | 0.2 | | |
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| BC-2 |
| Standard: JIS |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | | BC-2 | 86-90 | 7 - 9 | 0-1 | 3-5 | 0.2 | 1 | 0.05 | 0.01 | 0.01 | 0.2 | | |
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| BC-6 |
| Standard: JIS |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | | BC-6 | 83 - 87 | 4 - 6 | 4-6 | 4-6 | 0.3 | 1 | 0.05 | 0.01 | 0.01 | 0.2 | | |
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| BC-7 |
| Standard: JIS |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | | BC-7 | 86-90 | 5 - 7 | 1-3 | 3-5 | 0.2 | 1 | 0.05 | 0.01 | 0.01 | 0.2 | | |
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| C83600 |
| Standard: ASTM |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | S | | C83600 | 84 - 86 | 4.3 - 6 | 4 - 5.7 | 4.3 - 6 | 0.25 | 1 | 0.05 | 0.005 | 0.005 | 0.25 | 0.08 | | |
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| C84400 |
| Standard: ASTM |
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| Copper Alloys | CU | SN | PB | ZN | FE | NI | P | AL | SI | SB | S | | C84400 | 79 - 82 | 2.5-3.5 | 6-8 | 7-10 | 0.4 | 0.8 | 0.02 | 0.005 | 0.005 | 0.25 | 0.08 | | |
