GB/T11251 1345 Alloy Structural Steel Plate

GB/T 11251 alloy steel is one of the common hot-rolled alloy structural steel plates. This steel plate is widely used in various applications in bearings/gears of rotating machinery.

Classification :

PRODUCT DETAILS

GB/T 11251 alloy structural steel plate has high strength and wear resistance, high hardenability, moderate cold deformation plasticity, good cutting performance and good welding performance. During heat treatment, the toughness of steel decreases less. GB/T 11251 alloy steel can still maintain high toughness under water cooling conditions, but has the tendency of overheating sensitivity, white point sensitivity and temper brittleness. They are mostly used after quenching and tempering, and can also be used under positive inflammation or hot rolling conditions. Typical applications include valve bodies, pumps and fittings, wheels, bolts, studs, gears, high loads on internal combustion engines. Drive shafts on steel balls, rollers and bushings for electric locomotives, machine tools, tractors, steel rolling equipment, boring machines, railway vehicles and mining machinery, etc..

Product Name Carbon Steel Sheet/Plate
Thickness 0.1mm-400mm
Width 12.7mm-3050mm
Length 58006000 or customized
Surface Black skin, Pickling, Oiling,galvanizedtinningetc
Material S235JR,S275JR,S355JR,A36,SS400,Q235,Q355,ST37,
ST52,SPCC,SPHC,SPHT,DC01,DC03,etc
Standard GB,GOST,ASTM,AISI,JIS,BS,DIN,EN
Technology Hot rolling, Cold rolling, Pickling,galvanizedtinning

Chemical Composition

Brand

C

Si

Mn

B

45Mn2

0.42-0.49

0.17-0.37

1.40-1.80

-

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

-

40B

0.37-0.44

0.17-0.37

0.60-0.90

0.0005-0.0035

45B

0.42-0.49

0.17-0.37

0.60-0.90

0.0005-0.0035

50B

0.47-0.55

0.17-0.37

0.60-0.90

0.0005-0.0035

 Mechanical Properties

Brand

Yield Strength  MPa min.

Elongationmin. %

45Mn2

600

13

27SiMn

550

18

40B

500

20

45B

550

18

50B

550

16

 Scope of Application

GB/T 11251 alloy steel plates are widely used in various applications in bearings/gears of rotating machinery. Typical applications such as valve bodies, pumps and fittings, wheels, bolts, studs, gears, high loads of internal combustion engines. Electric locomotives, machine tools, tractors, steel rolling equipment, boring machines, railway vehicles and mining machinery drive shafts on steel balls, rollers and bushings, etc.

 Equivalent Material

China

United States

Germany

Japan

France

45Mn2

1345

46Mn7

SMn3

45M5

27SiMn

-

27MnSi5

-

 

40B

14B35

35B2

-

-

45B

50B46H

45B2

-

-

50B

14B50

-

-

-

Warehouse storage

Wugang Steel (Qingdao) Co., Ltd. is located in Qingdao, China.  It is a large enterprise specializing in the production and sales of steel products.  The company produces and sells carbon steel plates/coils/tubes/rods, stainless steel plates/coils/tubes/rods, galvanized sheets/coils/tubes, color-coated coils, corrugated boards, rebar, wire rods and various types of materials.  The company stocks The quantity is sufficient and the varieties and specifications are complete.

 

 

Packing and delivery

We are the first-level agent for Chinese state-owned enterprises Shanghai Baosteel and Taigang Iron and Steel Group. Our products can meet every unique requirement of our customers. We provide customized services. We can support customers with quality inspections if needed. We can provide competitive prices, good quality control, purchasing suggestions. Welcome to inquire and order!

 

 

RELATED PRODUCTS


CERTIFICATE OF HONOR

OUR SERVICE

1 : Prime quality and reasonable price.
2 : Wide excellent experiences with after-sale service.
3 : Every process will be checked by responsible QC which insures every product's quality.
4 : Professional packing teams which keep every packing safely.
5 : Trial order can be done in one week.
6 : Samples can be provided as your requirements