20号钢常规化学成分和机械性能有保证，订购钢板联系河南景隆钢铁

I. to No. 20 Steel:

No.20 steel is a kind of high steel that the C of the steel is 0.20%, and it is as low steel.No. 20 steel has low good and . It is used for parts of cars, and .Steel # 20 can also be as steel # 20.

Ii. of Steel No. 20:

Steel plate

C

Si

Mn

P

S

Cr

Ni

Cu

20

0.17-0.23

0.17-0.37

0.35-0.65

0.035 or less

0.03 or less

0.20 or less

0.30 or less

0.25 or less

1. If the of the and in steel is the may not it.

2. The of the steel by the not be more than 0.008%. The can that it is .

3, the steel plate error to the rules of GB/T222.

Iii. of No. 20 steel:20号钢常规化学成分和机械性能有保证，订购钢板联系河南景隆钢铁

Steel plate

after %

20°

A 20℃

20

P 410

P 28

p

27 or

Iv. and of Steel No. 20:

: in hot or heat heat high .Also can to the grade alloy but the and both sides and sign a .

: GB/ also but need to with the in .

一、20号钢简介：20号钢常规化学成分和机械性能有保证，订购钢板联系河南景隆钢铁

20号钢是一种优质碳素结构钢板，表明该钢中C含量为0.20%，归于低碳钢。20号钢强度较低、耐性、塑性和焊接性较好，首要用于制作轿车、拖拉机、机械设备职业中的各种零部件。20号钢也可写作20#钢。二、20号钢的化学成分：.17-0.37≤0.035≤0.20≤0.251、钢中剩余元素铬、镍、铜含量供方若能确保合格，可不进行剖析。2、氧气转炉锻炼的钢其含氮量应不大于0.008%，供方能确保合格，可不进行剖析。3、制品钢板的化学成分答应误差应契合GB/T222的规则。

三、20号钢的力学性能：20号钢常规化学成分和机械性能有保证，订购钢板联系河南景隆钢铁

抗拉强度20°纵向V型冲击吸收能量20≥28≥27四、20号钢的的交货状况和履行规范：交货状况：以热轧或热处理状况交货，热处理包含正火、退火、高温回火。也可根据需求附加探伤规范要求、探伤等级要求、合金元素成分操控要求等，但需经供需两边交流，并签定书面协议。履行规范：履行GB/规范，也可履行企业规范，但需提早与出产方洽谈。