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Feb 22, 2017GB 20Cr alloy steel equivalent specification ASTM A29/A29M, DIN EN 10083/3, JIS G4053 and GB/T 3077. GB 20Cr equivalent steel round bar and flat bars can be cut to your required sizes. China steel 20Cr hot rolled and forged steel bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required gb t 3077 38crsi steelGB 27SiMn - Longhai Special Steel27SiMn material is GB GB/T 11251 (2009) Hot-rolled alloy structural steel plates GB GB/T 17396 (2009) Hot-rolled seamless steel tubes for hydraulic pillar service GB GB/T 3077 (1999) Alloy structure steels GB GB/T 3078 (2008) Quality structural steel cold drawn bars GB GB/T 8162 (2008) Seamless steel tubes for structural purposes Structural and constructional steels .GB/T 3077-1999 - Alloy structure steels (TEXT OF GB/T 3077-1999 Alloy structure steels (TEXT OF DOCUMENT IS IN CHINESE) Available for Subscriptions. Others Also Bought. GB/T 700-1988. Add to cart GB/T 1591-1994. Add to cart GB/T 5216-1985. Add to cart Content Provider CHINESE GB Standards [SPC] Add to Alert PDF Add to Alert gb t 3077 38crsi steel
Aug 26, 2016GB/T 3077-2015 Translated English of Chinese Standard. (GBT 3077-2015, GB/T3077 gb t 3077 38crsi steel m Second quenching Coolant spectrophotometric method GB/T Standard Standards designation steel and alloy steel bars GB/T Steel group structure steel sulfur Table 1 continued temperature/oC First quenching Tensile strength Rm/MPa test method titanium gb t 3077 38crsi steelGb3077 - SlideShareJun 18, 2015Gb3077 1. Foreword The standard has revised GB/T 3077-1988 The Technical Conditions of Alloy Structure Steel. There have been some changes in this nationals standard over its previous edition in the following technical aspects - Change the name of the standard to Alloy Structure Steel; - After consultation between the two sides of supply and demand, the bar stock of which the gb t 3077 38crsi steel
The standard will replace GB/T 3077-1988 from the date of the implementation of this standard. gb t 3077 38crsi steel GB/T 225-1988 Methods of Harden ability Test for Steel End Quench Method GB/T 226-1991 Etch test for macrostructure and defect of steels gb t 3077 38crsi steel CrSi 33 A21382 38CrSi 0.35~0.43 1.00~1.30 0.30~0.60 1.30~1.60Processing technology of GB/T 3077 20Cr alloy steel plate gb t 3077 38crsi steelGB/T 3077 20Cr alloy steel plate has good comprehensive mechanical properties after quenching and tempering at low temperature, with good impact toughness at low temperature and no obvious tempering brittleness. During carburizing, the grain size of GB/T 3077 20Cr alloy steel plate tends to grow. Therefore, secondary quenching is required to improve the toughness of GB/T 3077 20Cr alloy steel gb t 3077 38crsi steelSome results are removed in response to a notice of local law requirement. For more information, please see here.
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