• GB/T11251 1345 Alloy Structural Steel Coil
GB/T11251 1345 Alloy Structural Steel Coil

GB/T11251 1345 Alloy Structural Steel Coil

GB/T 11251 alloy steel is one of the common hot-rolled alloy structural steel coils. GB/T 11251 Hot-rolled coil has high strength and wear resistance, high hardenability, moderate cold deformation plasticity, good cutting performance and good welding performance. During the heat treatment, the toughness of the steel decreases less. GB/T 11251 alloy steel can still maintain high toughness under water cooling conditions, but it has a tendency of overheating sensitivity, white spot sensitivity and temper brittleness.

Classification :

Carbon Steel Coil

WhatsApp : +8619851088010

E-mail : wxyehui@wxyehui.com

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Keywords: Wuxi Yehui Technolog Material Co., Ltd.

GB/T11251 1345 Alloy Structural Steel Coil Description

GB/T 11251 alloy steel is one of the common hot-rolled alloy structural steel coils. GB/T 11251 Hot-rolled coil has high strength and wear resistance, high hardenability, moderate cold deformation plasticity, good cutting performance and good welding performance. During the heat treatment, the toughness of the steel decreases less. GB/T 11251 alloy steel can still maintain high toughness under water cooling conditions, but it has a tendency of overheating sensitivity, white spot sensitivity and temper brittleness.


Product Parameters

Product Name

GB/T11251 1345 Alloy Structural Steel Coil

Production Process

Hot Rolling, Cold Rolling

Material Standards

AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.

Width

45mm-2200mm

Length

Custom Size

Thickness

Hot Rolling: 2.75mm-100mm
Cold Rolling: 0.2mm-3mm

Delivery Conditions

Rolling, Annealing, Quenching, Tempered or Standard

Surface Process

Ordinary, Wire Drawing, Laminated Film

 

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

-

-

-
China USA Germany Japan France U.K. internationality

GB3077

AlSI    

DIN

JIS

NE

BS

ISO

20Mn2

1320

1221

20Mn5

SMn21

20M5

150M19

-

30Mn2

1330

30Mn5

SMn24

32M5

150M28

-

35Mn2

1335

36Mn5

SMnl

35M5

150M36

-

40Mn2

1340

1341

-

SMn2

40M5

-

-

45Mn2

1345

46Mn7

SMn3

45M5

-

-

50Mn2

1052

50Mn7

-

55M5

-

-

20MnV

-

20MnV6

-

 

-

-

30Mn2MoW

-

--

-

 

-

-

27SiMn

-

27MnSi5

-

 

-

-

35SiMn

-

37MnSi5

-

38MS5

-

-

42SiMn

-

38MnSi4

46MnSi4

-

38MS5

-

-

20SiMn2MoV

-

-

-

-

-

-

25SiMn2MoV

-

-

-

-

-

-

37SiMn2MoV

-

-

-

-

-

-

40B

14B35

35B2

-

-

-

-

45B

50B46H

45B2

-

-

-

-

50B

14B50

-

-

-

-

-

4OM∏B

15B41

-

-

-

-

-

45MnB

15B48

50B44

-

-

-

-

-

20Mn2B

-

-

-

-

-

-

20MnMoB

80B20

-

-

-

-

-

15MnVB

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

20MnVB

-

-

-

-

-

-

40MnVB

-

-

-

-

-

-

20MnTiB

-

-

-

-

-

-

25MnTiBRE

-

-

-

-

-

-

2OSiMnVB

-

-

-

-

-

-

15Cr

5015

5115

15Cr3

SCr21

12C3

523A14

523M15

-

15CrA

-

-

-

-

-

-

20Cr

5120

20Cr4

SCr22

18C3

18C4

527A19

527M20

683/11

20Cr4

20CrS4

30Cr

5130

28Cr4

SCr2

28C4

32C4

530A30

530A32

-

35Cr

5135

34Cr4

37Cr4

SCr3

38C4

530A36

683/8

3、 3a、 3b

40Cr

5140

38Cr4

41Cr4

SCr4

42C4

530A40

530M40

683/1

4、 4a^ 4b

45Cr

5145

42Cr4

SCR5

45C4

-

-

50Cr

5150

5152

-

-

50C4

En48

-

38CrSi

-

-

-

-

-

-

12CrMo

4119

13CrMo44

-

12CD4

15CD2

-

-

15CrMo

ASTM

A-387Gr. B

15CrMo5

16CrMo44

SCM21

15CD4. 05

BS1653

-

20CrMo

4118

20CrMo5

22CrMo4

SCM22

18CD4

20CD4

CDS 12

CDSllO

-

30CrMo

4130

25CrMo4

SCM2

30CD4

CDS 13

-

30CrMoA

-

32CrMol2

3ICRMo12

-

-

-

-

35CrMo

4135

4137

34CrMo4

35CrMo4

SCM3

35CD4

78A37

683/1

C35ea

C35eb

42CrMo

4140

4142

41CrMo4

42CrMo4

SCM4

40CD4

42CD4

708M40

708A42

709M40

683/1

3

12CrMoV

-

-

-

-

-

-

35CrMoV

-

35CrMoV5

-

-

-

-

12CrlMoV

-

13CrMoV4.2

-

-

-

-

25Cr2MoVA

-

24CrMoV5.5

-

-

-

-

25Cr2MolVA

-

-

-

-

-

-

20CR3MoWVA

-

21CrVMoW12

-

-

-

-

38CrMoΛl

6370 (ΛMS)

34CrAlMo5

41CrAlMo7

SACM645

40CAD6.12

905M39

683/10

41CrAlMo74

20CrV

6120

22CrV4

-

22CrV4

-

-

40CrV

6140

42CrV

-

42CrV4

-

-

50CrVA

6150

50CrV4

SUPlO

50CV4

735A50

-

15CrMn

-

16MnCr5

-

16MC5

-

-

20CrMn

5120

20MnCr5

SMC21

20MC5

-

-

40CrMn

5140

-

SMC3

-

-

-

20CrMnSi

-

-

 

-

-

-

25CrMnSi

-

-

SMKl

-

-

-

30CrMnSi

-

-

-

-

-

-

30CrMnSiA

-

-

-

-

-

-

35CrMnSiA

-

-

SMK2

-

-

-

20CrMnMo

4119

20CrMo5

SCM23

-

-

-

40CrMnMo

4140

-

-

-

-

-

20CrMnTi

-

-

SMK22

-

-

-

30CrMnTi

-

30MnCrTi4

-

-

-

-

20CrNi

3120

20NiCr6

-

20NC6

637A16

637M17

-

40CrNi

3140    

46NiCr6

SNCl

35NC6

640A35

640M40

-

45CrNi

3145

45NiCr6

-

-

-

-

50CrNi

3150

-

-

-

-

-

12CrNi2

3115

14NiCrlO

SNC21

IONCll

14NC11

-

-

12CrNi3

3310

13NiCrl2

SNC22

10NC12

14NC12

655A12

655M13

-

20CrNi3

-

22NiCrl4

-

20NC11

-

-

30CrNi3

-

28NiCrlO

31NiCrl4

SNC2

30NC11

30NC12

-

-

37CrNi3

-

35NiCrl8

SNC3

35NC15

-

-

12Cr2Ni4

E3310

14NiCrl8

-

12NC15

-

-

20Cr2Ni4

E3316

22NiCrl4

-

20NC14

659A15

659M15

-

20CrNiMo

8620    

8720     

20NiCrMo2

21NiCrMo2

-

20NCD2

805A20

805M20

-

40CrNiMoA

4340     

9840     

36NiCrMo4

40NiCrMo6

SNCM8

35NCD5

40NCD3

817M40

816M40

-

45CrNiMoVA

4437     

-

SNCM9

-

-

-

18Cr2Ni4WA

 

 

 

 

 

 

25Cr2Ni4WA

 

 

 

 

 

 

 

Packing and delivery

Packing and shipping We can provide wooden pallet packaging,Wooden packing, Steel strapping packaging,Plastic packaging and other packaging methods.We are willing to package and ship products according to the weight, specifications, materials, economic costs and customer requirements.We can provide container or bulk transportation, road, rail or inland waterway and other land transportation methods for export. Of course, if there are special requirements, we can also use air transportation.

 

CUSTOMER VISIT

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

Customer visit

CERTIFICATE OF HONOR

COOPERATIVE PARTNER

Partner
Partner
Partner
Partner
Partner
Partner
Partner
Partner
Partner
Partner
Partner
Partner

PAYMENT AND DELIVERY

PAYMENT AND DELIVERY

APPLICATION AREAS

Ship

Ship

Car

Car

Airplane

Airplane

Wind power

Wind power

Oil mining

Oil mining

Steel structure

Steel structure

FAQ

Q1: What is your MOQ?

Q1: What is your MOQ?

A: Usually our MOQ is one container, but it is different for some items, please contact us for details.
A: Usually our MOQ is one container, but it is different for some items, please contact us for details.
Q2:What is your terms of payment?

Q2:What is your terms of payment?

A:We usually accept T/T in advance, L/C for large sum.If you prefer other payments terms, please discuss.
A:We usually accept T/T in advance, L/C for large sum.If you prefer other payments terms, please discuss.
Q3:What is your delivery time?

Q3:What is your delivery time?

A:For products in stock, we can ship it within 7 days after receiving the deposit. For custom order, production time is 15-30 workdays after received the deposit.
A:For products in stock, we can ship it within 7 days after receiving the deposit. For custom order, production time is 15-30 workdays after received the deposit.
Q4:How could you guarantee your products?

Q4:How could you guarantee your products?

A:Mill Test Certification is supplied with shipment, We also accept and support the third-party inspection.We also could issue the warranty to customer to guarantee the quality.
A:Mill Test Certification is supplied with shipment, We also accept and support the third-party inspection.We also could issue the warranty to customer to guarantee the quality.
Q5: Will all costs be clear?

Q5: Will all costs be clear?

A:Our quotation is easy to understand and will not incur any additional costs.
A:Our quotation is easy to understand and will not incur any additional costs.
Q6:Can you give warranty of your products?

Q6:Can you give warranty of your products?

A:Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
A:Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.

Carbon Steel Coil

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WhatsApp : +8619851088010

Email : wxyehui@wxyehui.com

Add : 2303 Shijin Center, 118 Qingyang Road, Liangxi District, Wuxi City

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