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VIM-VAR 52100
时间2009-12-23

UNS 编码

· G52986

 

AISI 编码

·  Type E52100

 

Type Analysis /化学成份

Carbon

1.0

%

Manganese

0.30

%

Silicon

0.25

%

Chromium

1.40

%

Iron

Balance余量

 

 

 

 

Description/描述

 VIM-VAR 52100 is a high-carbon, chromium-bearing alloy steel possessing deep hardening characteristics as well as high wear resistance. VIM-VAR 52100是含碳量含铬量高的合金钢,能被深度硬化,具有高抗磨损性能。

To meet the exacting requirements of bearing manufacturers for a clean steel with uniform microstructure, it is produced by vacuum induction melting (VIM), followed by vacuum arc remelting (VAR). 为了满足轴承制造商对具有一致微观结构的清洁钢的需求,52100由真空感应熔炼加上真空电弧重熔得来。

Physical Properties /物理性能

Density/密度

         

7833

kg/m³

Mean Coefficient of Thermal Expansion/平均热膨胀系数

         

12.4

x 10-6 cm/cm/°C

Modulus of Elasticity (E)/弹性系数

         

200

x 103 MPa

Modulus of Rigidity (G)/硬度系数

         

82.7

x 103 MPa

Heat Treatment /热处理

Normalizing/常化

Heat to 1700°F (927°C), then air cool.加热至1700°F (927°C),然后空冷

Annealing/退火

Heat uniformly to 1425°F (775°C), then cool slowly in the furnace. Brinell hardness will be 223 maximum with a spheroidized structure.均匀加热至1425°F (775°C),然后缓慢炉冷。布氏硬度最大将达到223,具有球化结构。

Hardening/硬化

For sections up to 1" (25.4 mm) in diameter or thickness, heat to 1530/1550°F (832/843°C), then oil quench. 横截面直径或厚度在1" (25.4 mm)以下的,加热至1530/1550°F (832/843°C),然后油淬For sections over 1" (25.4 mm) in diameter or thickness, heat to 1475/1500°F (802/816°C), then water quench. An interrupted quench from water into oil as soon as the first violent vibration on the tongs is over is suggested. 横截面直径或厚度在1" (25.4 mm)以上的,加热至1475/1500°F (802/816°C),然后水淬。

Tempering/回火

The hyperlink entitled "Tempering" illustrates Rockwell C hardness values which may be expected by tempering VIM-VAR 52100 for 1 hour at various temperatures. “回火”1小时就能达到HRC级硬度

Workability /加工性能

Forging锻造

VIM-VAR 52100 should be forged from a temperature of not over 1950°F (1066°C). 锻造VIM-VAR52100时温度不能超过1950°F (1066°C)

Machinability切削

For most machining operations a spheroidized structure is preferred. 球化结构适合绝大多数切削加工。
Cold drawn annealed VIM-VAR 52100 bars possess a machinability rating of 37% of AISI B1112 steel and cut at a speed of 63 sfm. The character of the chips is continuous and stringy. 冷拉退火的VIM-VAR52100棒料具有AISI B111237%的切削性能,切削的速度是63 sfm。碎片有延续性。
Hot rolled annealed bars have a machinability rating of 45% of AISI B1112 steel. 热轧退火的棒料具有AISI B111245%的切削性能
Following are typical feeds and speeds for VIM-VAR 52100.以下是52100典型的送料及切削数值。

Typical Mechanical Properties /典型的机械性能Applicable Specifications/可满足的标准

Note: While this material meets the following specifications, it may be capable of meeting or being manufactured to meet other general and customer-specific specifications. 本材料除满足下列标准外,还可以按照其他通用和客户指定的标准生产。

·  AMS 6440

·  AMS 6444

·  ASTM A295

 

Forms Manufactured /可生产的形态

·  Bar-Rounds 圆棒

·  Wire线材

·  Billet坯料

 

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