14 Brazil 
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2 Iraq 
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1 Tunisia 
1 Japan 
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jx8002 performance otdr Photos Catalog - page 35 - WorldBid B2B Market
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Procurement Of Reliable Astm 5140 Material Performance AdvantagesMetals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 28, 2025 - 447.00 Dollar US$ASTM 5140 material is a medium-carbon chromium alloy steel, corresponding to China's GB standard 40Cr and Germany's DIN standard 41Cr4. It is a widely used quenched and tempered steel. High Strength: The addition of chromium (Cr) significantly improv...