Free cutting steel
Free cutting steelrefers to steel with excellent machinability. To improve the free-cutting performance of steel is mainly by adding free-cutting elements to steel alone or in combination.
According to the different free-cutting elements, it can be divided into sulfur free-cutting steel, lead free-cutting steel, calcium free-cutting steel and composite free-cutting steel. According to their different uses, free-cutting steel is divided into automatic machine steel, structural free-cutting steel and special free-cutting steel (heat-resistant steel, stainless steel, tool steel, etc.). According to the different free cutting properties, it can be divided into general free cutting steel, super free cutting steel and so on.
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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 |
