Acero de libre mecanización
El acero de libre mecanización se refiere a acero con excelente maquinabilidad. Mejorar el rendimiento de corte libre del acero se realiza principalmente agregando elementos de corte libre al acero solos o en combinación.
Según los diferentes elementos de fácil mecanización, se puede dividir en acero de fácil mecanización con azufre, acero de fácil mecanización con plomo, acero de fácil mecanización con calcio y acero de fácil mecanización compuesto.
Según sus diferentes usos, los aceros de fácil mecanización se dividen en aceros para máquinas automáticas, aceros de fácil mecanización estructurales y aceros de fácil mecanización especiales (acero resistente al calor, acero inoxidable, acero para herramientas, etc.).
Según las diferentes propiedades de corte libre, se puede dividir en acero de corte libre general, acero de corte libre súper, etc.
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| Country | Steel grade | Standard No. | Main chemical components % | ||||||||
| C | Si | Mn | p | S | Cr | Ni | Mo | Other | |||
| Japan | SUM23 | JIS G4804(2008) | 0.09 | 0.10-0.20 | 0.75~1.05 | 0.04~0.09 | 0.26~0.35 | ||||
| Korea | SUM23 | KS D3567(2002) | 0.09 | 0.10-0.20 | 0.75~1.05 | 0.04~0.09 | 0.26~0.35 | ||||
| India | 11C10S25 | IS 1570-3(2004) | 0.08~0.15 | 0.1 | 0.80~1.20 | 0. 06 | 0.20~0.30 | ||||
| Russia | A11 | TOCT1414(1975) | 0.07~0.15 | 0.1 | 0.80~1.20 | 0.06~0.12 | 0.15~0.25 | ||||
| Germany | 10S20/1.0721 | DIN EN 10087(1999) | 0.07~0.13 | 0.4 | 0.7 | 0. 060 | 0.15~0.25 | ||||
| France | S200 | NF A35-561(1992) | 0.13 | 0.08 | 0.70~1.20 | 0.11 | 0.20~0.27 | ||||
| Britain | 10S20 | BS EN 10087(1999) | 0.07~0.13 | 0.4 | 0.70~1.10 | 0.06 | 0.15~0.25 | ||||
| U.S.A | 1215/G12150 | ASTM A29/A29M(2005) | 0. 09 | 0.2 | 0.75~1.05 | 0.04~0.09 | 0.26~0.35 | ||||
| Japan | SUM24L | JIS G4804(2008) | 0.15 | 0.10~0.20 | 0.85~1.15 | 0.04~0.09 | 0.26~0.35 | Pb 0.10~0.30 | |||
| Korea | SUM24L | KS D3567(2002) | 0.15 | 0.10~0.20 | 0.85~1.15 | 0.04~0.09 | 0.26~0.35 | – | Pb 0.10~0.30 | ||
| Russia | AC14 | TOCT 1414(1975) | 0.10~0.17 | 0.12 | 1.00~1.30 | 0.1 | 0.15~0.30- | 0.25 | 0.25 | Pb 0.15~0.35 | |
| Germany | 11SMnPb30/1.0718 | DIN EN 10087(1999) | 0.14 | 0.05 | 0.90~1.30 | 0.11 | 0.27~0.33 | Pb 0.20~0.35 | |||
| France | 11SMnPb30 | NF EN 10087(1999) | 0.14 | 0. 05 | 0.90-1.30 | 0.11 | 0.27~0.33 | Pb 0.20~0.35 | |||
| S300Pb | NF A35-561(1992) | 0.15 | 0. 08 | 1.00-1.60 | 0.11 | 0. 30~0. 40 | Pb 0.20~0.30 | ||||
| Britain | 11SMnPb30 | NF EN 10087(1999) | 0.14 | 0. 05 | 0.90~1.30 | 0.11 | 0.27~0.33 | – | Pb 0.20~0.35 | ||
| U.S.A | 12L14/G12144 | ASTM A29/A29M(2005) | 0.15 | 0.2 | 0.85~1.15 | 0.04~0.09 | 0.26~0.35 | 一 | Pb 0.15-0.35 | ||
| Japan | SUM43 | JIS G4804(2008) | 0.40~0.48 | 0.15-0.35 | 1.35~1.65 | 0.04 | 0.24~0.33 | ||||
| Korea | SUM43 | KS D3567(2002) | 0.40-0.48 | 0.15~0.35 | 1.35~1.65 | 0.04 | 0. 24~0.33 | ||||
| India | 40C15S24 | IS 14698(1999) | 0.40-0.48 | 0.15~0.30 | 1.35~1.65 | 0. 04 | 0.24~0.33 | 一 | |||
| Germany | 44SMn28/1.0762 | DIN EN 10087 (1998) | 0.40-0.48 | 0.4 | 1.30-1.70 | 0.06 | 0.24~0.33 | – | |||
| France | 44SMn28 | NF EN 10087(1998) | 0.40~0.48 | 0. 40 | 1.30-1.70 | 0.06 | 0.24~0.33 | – | |||
| 45MF6 | NF A35-562(1992) | 0.41~0.48 | 0.10~0.40 | 1.30~1.70 | 0.04 | 0.24~0.32 | – | ||||
| Britain | 44SMn28 | BS EN 10087(1998) | 0.40~0.48 | 0.4 | 1.30~1.70 | 0.06 | 0.24~0.33 | – | |||
| U.S.A | 1144/G11440 | ASTM A29/A29M(2005) | 0.40-0.48 | 0.2 | 1.35~1.65 | 0.04 | 0.24~0.33 | ||||
| Japan | SUM32 | JIS G4804(2008) | 0.12~0.20 | 0.15~0.35 | 0.60~1.10 | 0.04 | 0. 10~0.20 | – | |||
| Korea | SUM32 | KS D3567(2002) | 0.12~0.20 | 0.15~0.35 | 0.60~1.10 | 0.04 | 0.10~0.20 | ||||
| India | 25C12S14 | IS 1570-3(2004) | 0.20-0.30 | 0.25 | 1.00~1.50 | 0.06 | 0.10~0.18 | – | |||
| Russia | A20 | TOCT 1414(1975) | 0.17-0.25 | 0.15~0.35 | 0.70~1.00 | 0.06 | 0. 08~0.15 | 0.25 | 0.25 | ||
| Germany | 15SMn13/1.0725 | DIN EN 10087(1999) | 0.12~0.28 | 0.4 | 0.90~1.30 | 0.06 | 0.08~0.18 | – | |||
| France | 15SMn13 | NF EN 10087(1999) | 0.12~0.28 | 0.4 | 0.90-1.30 | 0.06 | 0.08~0.18 | – | |||
| 18MF5 | NF A35-562(1992) | 0.16~0.22 | 0.10~0.40 | 1.10-1.50 | 0. 040 | 0.18~0.25 | – | ||||
| Britain | 15SMn13 | BS EN 10087(1999) | 0.12~0.28 | 0.4 | 0.90-1.30 | 0.06 | 0.08~0.18 | ||||
| U.S.A | 1117/G11170 | ASTM A29/A29M(2005) | 0.14-0.20 | 0. 20 | 1.00~1.30 | 0. 040 | 0. 08~0.13 | – | |||
| Item | AISI 4140 1020 1045 Cold Drawn structure mild carbon/alloy forged bright cylinder steel round bar price for sale |
| Standard | GB/T 700-2006,GB/T 1591-94,JIS G3101-2004, ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05, ASTM A572/A572M-06,EN 10025-2-2004 |
| Material | Q195,Q215 A,Q215 B,Q235 A,Q235 B,Q235 C, Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460, SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290), 60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038), S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553), E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965),10#, 15#20# |
| Diameter | 4mm~800mm |
| Length | 1m,3m,5.8m,6m,12m or as required |
| Surface | polished,bright,black,coated,2b,ba,mirror,NO.4,8K |
| Package | Standard export seaworthy or as customers' requirements |
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Application |
1.Mainly used in the manufacture of petroleum, chemical, gas separation and shipping container or other similar devices, such as all kinds of tower vessels, heat exchangers, torage tank and tank car, etc 2.Manufacture all kinds of stamping parts, construction and engineering structure and 3. Buildings and Bridges,Vehicles, towers and other structures. 4.Used as a floor, workshop escalator, working pedal, ship deck and car plate and so on 5.Make fixed boiler, boiler and other important hull attachments. 6.Pressure vessels, welding gas cylinder steel plate 7.Production of cutting tools, measuring tool and die |
