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50#钢板正火保证探伤找舞钢钢厂,是采购者的明智选择

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50#钢板正火保证探伤找舞钢钢厂,是采购者的明智选择

一、50#钢板归于优质碳素结构钢板,履行规范GB/和Q/二、50#钢板履行规范及交货状况50#钢板交货状况为正火、退火、高温回火,经 供需双方协议,50#钢板也能够热轧状况交货。三、50#钢板化学成分:质置分数% (熔炼剖析)/.17-0.370.0350.200.250.47-0.550.50-0.800.0200.25厚度抗拉强度不小于16热轧141.热处理指正火、退火或高温回火; 2.当50#钢板以热处理状况交货时,当其伸长率较上表规则进步2% (肯定 值)时,厚度在的50#钢板答应抗拉强度比上表规则下降40MPa, 厚度>的50#钢板抗拉强度答应下降20MPa;3.经供需双方协议,50#钢板也能够以热轧状况交货,以热处理样坯铡定 力学性能,样坯尺度为a*3a*3a,a为钢板厚度。

五、50#钢板用处50#钢板正火保证探伤找舞钢钢厂,是采购者的明智选择

50#钢板用在耐磨性能要求高、动载荷及冲击效果不大的结构件,如铸造齿轮、 拉杆、轧辊、轴摩檫盘、犁铧、重负荷的心轴和轴等。

1. No. 50 steel plate to steel and the GB/ and Q/ shall be

Ii. and of no.50 steel plate

The of no. 50 steel plate is and at high . to the of both no. 50 steel plate can also be in hot .

Iii. 50# steel Plate : % ( )

The of the

C

Si

Mn

P

S

Cr

Ni

Cu

/mm

No than

3-60

0.47-0.55

0.17-0.37

0.50-0.80

0.035

0.035

0.20

0.30

0.25

>.

0.47-0.55

0.17-0.37

0.50-0.80

0.025

0.020

0.25

0.25

0.25

1. The of Cr, Ni and Cu in no. 50 steel in the above table is not if the can the ; 

2. The error of the steel plate to the rules of GB/T222. 

Iv. of no.50 steel plate

The of the

The

MPa

at break A/%

3-60

Heat

Not less than

625

16

>.

Hot

570

14

1. Heat to or at high ; 

2. When no. 50 steel plate is in heat when its is by 2% ( value) with the above table no. 50 steel plate with a of shall be to its by 40MPa with a of & GT;The of 50# steel plate of is to by 20MPa;

3. to the of the and no. 50 steel plate can also be in with the of the heat green the size of the green is A * 3A * 3A, and a is the of the steel plate.

V. Use of # 50 steel plate

No. 50 steel plate is used for parts with high wear and low load and such as gear, pull rod, roll, shaft rub heavy load and etc.

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