2021-3-30 · ASTM A48 / A48M Standard Specification for Gray Iron Castings, grades including Class No. 20, 25, 30, 35, 40, 45, 50, 55, 60. This specification covers general engineering gray iron castings mainly used for tensile strength. The castings are classified according to the tensile strength of the cast iron in the individually cast test rods. 1.
Read More2020-12-31 · ASTM A48 Class 20 is a gray cast iron material grade of USA. This grade is equivalent with grey iron HT150, FC150, GG15, FGL150, T150, O150 in China and other countries. Mechanical Properties: The tensile strength of
Read More2021-7-13 · Gray Iron ASTM A48 Class 20. ASTM A48 Class 20 (Related Standards – ISO 185/JL/150, SAE J431, EN-GJL-150) is a gray cast iron. Gray iron has a long history, and is one of the most widely used metallic materials. This is due to its low cost, ease of production, and unique, beneficial characteristics. Over 14 million tons of gray iron castings ...
Read MoreThe physical properties of ASTM A48 Class 20 ASTM A48/A48M steel incorporate high quality, low weight, solidness, ductility and protection from erosion. Temperature. (°C) Modulus of elasticity. (GPa) Mean coefficient of thermal expansion 10-6/
Read More2021-12-12 · Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read More2021-6-24 · Dura-Bar G2 microstructure in the center area will contain Type VII, A, size 4-6 graphite as defined in ASTM A247. It is developed to correspond with ASTM A48 class 40 castings. Continuous cast bar size ranges from 0.750” to 20.00” in diameter. Tensile strength decreases with increasing bar diameters because of the difference in
Read More2020-11-22 · ASTM A48 Standard Specification for Gray Iron Castings . This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Casting are classified on the basis of the tensile strength of
Read More2017-2-24 · † ASTM A48: gray iron castings † ASTM A74: cast iron soil & pipe fi ttings † ASTM A126: gray iron castings for valves, fl anges & pipe fi ttings † ASTM A159: automotive gray iron castings † SAE J431: automotive gray iron castings † ASTM A278 & ASME SA278: gray iron castings for pressure-containing parts
Read More2018-5-31 · Class CSi Mn S PNi Cr Mo Cu ... 20 20 25 25 30 30 ASTM A48 Gray Iron 35 35 40 40 45 45 50 50 55 55 60 60 D‐2 3.00 1.50‐3.00 0.70‐1.25 0.080 18.0‐22.0 1.75‐2.75 139‐202 58 30 8 ... D 2C 290 100300180240 0 080 21 0 24 0 05
Read More2020-12-31 · ASTM A48 Class 20 is a gray cast iron material grade of USA. This grade is equivalent with grey iron HT150, FC150, GG15, FGL150, T150, O150 in China and other countries. Mechanical Properties: The tensile strength of class
Read MoreThe physical properties of ASTM A48 Class 20 ASTM A48/A48M steel incorporate high quality, low weight, solidness, ductility and protection from erosion. Temperature. (°C) Modulus of elasticity. (GPa) Mean coefficient of thermal expansion 10-6/
Read More2021-12-12 · Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read More2021-3-8 · Gray iron castings in ASTM A48 Class 20 Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read MoreGray Iron Castings to ASTM A48 magsen 2017-06-29T05:39:35+00:00. Gray iron castings are also referred to as gray cast iron, grey iron castings, it is named after the gray color of the fracture surface. Gray iron has a low tensile strength due to the flake graphite in its microstructure, so it is used for shell components where the stiffness is ...
Read More2021-1-6 · mechanical behavior characteristics of as-cast ASTM A48, along with its microstructure, were studied here. The role of Si, which, together with C, Mn, S, and P, is considered one of the five typical ASTM A48 constituents, was also researched. Fig. 1. Photomicrograph of flake graphite in the as-cast gray iron ASTM A48 used in general industry
Read More2020-11-22 · ASTM A48 Standard Specification for Gray Iron Castings . This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Casting are classified on the basis of the tensile strength of
Read More2018-5-31 · Class CSi Mn S PNi Cr Mo Cu ... 20 20 25 25 30 30 ASTM A48 Gray Iron 35 35 40 40 45 45 50 50 55 55 60 60 D‐2 3.00 1.50‐3.00 0.70‐1.25 0.080 18.0‐22.0 1.75‐2.75 139‐202 58 30 8 ... D 2C 290 100300180240 0 080 21 0 24 0 05
Read MoreGray iron bar stock’s microstructure consists of graphite flakes in a solid metal matrix. The solid metal matrix, in the class 40 grades (Dura-Bar grade G2), is pearlite. The flake graphite provides excellent vibration damping for gears and machine tool components. Textile plant machinery utilize a lot of gray cast iron, because the damping ...
Read More2011-2-28 · 美国牌号为灰铸铁的标准是ASTM A48/A48M,其中等级(Class)为NO.40的灰铸铁相当于中国的HT250和HT300之间。. 参考资料: 《ASTM A48/A48M-00》;《金属材料及制品中外牌号对照》. 7.
Read MoreAs one of the leADIng ASTM a48 grey iron castings no.20 no.25 cast iron foundry manufacturers and suppliers, our company has the best foundry technique. Please rest assured to buy high quality ASTM a48 grey iron castings no.20 no.25 cast
Read More2022-2-4 · Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read More2021-3-8 · Gray iron castings in ASTM A48 Class 20 Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read More2021-12-12 · Gray iron castings in ASTM A48 Class 20 are intended for general engineering use where tensile strength is a major consideration. The grade is equivalent with grey irn GB/T 9439-1988 HT150, DIN 1691 GG15, JIS G5501 FC15, NFA32-101 Ft.15D, BS1452 Gr.150, ISO/R185 Gr.15 in China and other countries.
Read More2018-5-31 · Class CSi Mn S PNi Cr Mo Cu ... 20 20 25 25 30 30 ASTM A48 Gray Iron 35 35 40 40 45 45 50 50 55 55 60 60 D‐2 3.00 1.50‐3.00 0.70‐1.25 0.080 18.0‐22.0 1.75‐2.75 139‐202 58 30 8 ... D 2C 290 100300180240 0 080 21 0 24 0 05
Read More2013-9-29 · the ASTM A48 classification system. In that stan-dard, classes range from 20 to 60. Each class repre-sents the tensile strength in ksi of a separately cast test bar poured from the iron that makes the casting. For example, a casting certified to ASTM A48 class 40 is cast with iron that has 40,000 psi tensile strength in a separately cast test bar.
Read More2010-5-12 · ASTM A48 Clase Resistencia a la tracción Dureza Brinell Estructura [Mpa] [HB] 20 138 130-180 F, P 30 207 170-210 F, P, G 40 276 210-260 P,G 50 345 240-280 P,G 60 414 260-300 B, G Generalmente se puede asumir que tanto el mecanizado fino, como el modulo de elasticidad y la resistencia al desgaste aumentan desde la clase 20 a la clase 60.
Read More2020-11-22 · ASTM A48 Standard Specification for Gray Iron Castings . This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Casting are classified on the basis of the tensile strength of
Read MoreGray iron bar stock’s microstructure consists of graphite flakes in a solid metal matrix. The solid metal matrix, in the class 40 grades (Dura-Bar grade G2), is pearlite. The flake graphite provides excellent vibration damping for gears and machine tool components. Textile plant machinery utilize a lot of gray cast iron, because the damping ...
Read More2013-11-9 · 2009-06-20 ASTM A48 CLASS 30 相当于我国的哪种灰铁? 2010-11-10 ASTM B444相当于国内什么材料 2015-04-17 您好!请问ASTM DESIGNATION A48 CLAS... 2017-04-06 class-eh47相当于国内啥材料 2011-03-13 ...
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