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Cold Drawn are bars are pulled through a die and are very clean but are not decarb free. To be decarb free a prescribed amount of outer scale must be removed via machining, grinding and/or turning.
How to differentiate them? Hot rolled steel comes with a scaly surface, slightly rounded edges and corners and the surface is non-oily. Cold rolled steel has an oily or greasy finish, very smooth surface, and very sharp edges.
AISI/SAE | DIN/EN | BS | JIS/KS | China |
1015 | C15 / 1.0401 | 080M15 | S15C | 15# |
1018 | S17C | 18# | ||
1020 | C22 / 1.0402 | 070M20 / EN3 | S20C | 20# |
1025 | C25 / 1.0406 | 070M26 | S25C | 25# |
1030 | C30 / 1.0528 | 080M32 / EN5 | S30C | 30# |
1035 | C35 / 1.1181 | 070M36 | S35C | 35# |
1040 | C40 / 1.0511 | 080M40 / EN8 | S40C | 40# |
1045 | C45 / 1.1191 | 080M46 | S45C | 45# |
1050 | C50 / 1.0540 | 080M50 | S50C | 50# |
1055 | C55 / 1.0535 | 070M55 / EN9 | S55C | 55# |
1060 | C60 / 1.1221 | 070M60 | S58C | 60# |
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Wuxi Zhanlu International Trade Co., Ltd.: located in China's steel resources are very rich in East China - Wuxi, is a professional operation and sales to U special steel, mold steel and stainless steel-based, set steel trade, logistics, warehousing in one of the integrated import and export steel trading enterprises, the company pursues the "quality is life, service is the soul" business philosophy, with a complete variety and small profits and high sales of the principle, products are exported: China, Europe, the United States, Japan and South Korea, Southeast Asia and Africa and other countries, marketing throughout the world, At the same time, it also provides procurement services for the Chinese purchasing agents of many international companies, and effectively solves the customer's problem by providing rich inventory and strong supply sources
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