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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

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sales@zyuansteelgroup.com

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PRODUCT DETAILS

Keywords: Steel Plate 、 Steel Coil

GB/T11251 1345 Alloy Structural Steel Coil Description

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	-	-	-

CUSTOMER VISIT

In ZYUAN, more than 180 steel grades have either been used to substitute import or produced with foreign standards, more than 30 steel grades have been exported many developed countries and regions in Europe, America and Asia, setting up mighty image of brand.

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FACTORY WORKSHOP

ZYUAN STEEL GROUP CO.,LTD has been founded over 20 years. And ZYUAN has 12 product series, 300 and more steel grades, 400 and more thickness specifications steel pipes, sheet, coils and other products such as low alloy high strength steel products and alloy structural steel products etc.

TEST

FAQ

Once the products received by customer were found not comply with the products or contract demands, what will you do?

A: We will compensate the customer for all the loss without any hesitation.

Do you provide samples Is it free or extra?

A: Yes, we could offer free samples.

What certifications do your products have?

A: We have ISO 9001, SGS, EWC and other certifications.

What kind of payment terms would you accept?

A: We always do T/T.30% T/T as deposit,70% T/T as balance.

What is the delivery time?

A: 10-15 days

What is your MOQ?

A: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.

Carbon Steel Coil