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ASTM A203 Grade B low temperature pressure vessel steel

ASTM A203 Grade B low temperature pressure vessel steel

Nov-24-2020

ASTM A203 Grade B material is a nickel-alloy steel plates intended primarily for welded pressure vessels in low temperature environment. As a steel making practice, the steel shall be killed and shall conform to fine grain size requirements. The heat trea

What material is 40B steel plate

What material is 40B steel plate

Nov-24-2020

What material is 40B steel plate?
40B steel plate is alloy structure steel plate formed by adding boron element into carbon structural steel with 0.40% carbon content. Its hardness, toughness and hardenability are higher than that of 40Cr steel. After qu

Q370qC, Q370qD, and Q370qE steel plates for bridges

Q370qC, Q370qD, and Q370qE steel plates for bridges

Nov-23-2020

Q370qC, Q370qD, and Q370qE steel materials are structural steel plates for bridges. The Q370 series bridge steel plate has high strength, toughness, and bears loads and impacts of rolling stock, and has good fatigue resistance, certain low temperature tou

New breakthrough of BBN hydrogen chromium molybdenum steel plates

New breakthrough of BBN hydrogen chromium molybdenum steel plates

Nov-21-2020

Recently, 137-142 mm thick low Si chromium molybdenum steel plates of BBN steel were successfully delivered to customers, which will be used in heavy crude oil processing project.The qualified rate of flaw detection and surface of this batch of hydrogenat

Physical properties of 20MnV steel plate

Physical properties of 20MnV steel plate

Nov-20-2020

Physical properties of 20MnV steel plate:
The 20MnV steel plate tensile strength is 785MPa, the yield strength is 590MPa, the elongation after fracture is 10%, the reduction of area is 40%, and the impact absorption energy is 55J.20MnV steel plate has go

Which is better, 27SiMn steel or 35CrMnSi material

Which is better, 27SiMn steel or 35CrMnSi material

Nov-19-2020

Which is better, 27SiMn steel or 35CrMnSi material?1. Chemical composition difference
27SiMn steel chemical elements: C: 0.24-0.32, Si: 1.10-1.40, Mn: 1.10-1.40.
35CrMnSi material chemical elements: C: 0.32-0.39, Si: 1.10-1.40, Mn: 0.80-1.10, Cr: 1.10-1

The requirements of ASTM A514 hardness test

The requirements of ASTM A514 hardness test

Nov-18-2020

ASTM A514 steel is heat treated alloy steel, ASTM A514 hardness ranges from 235-300 Brinell.The requirements of ASTM A514 hardness test:
For ASTM A514 steel plates 3/8 in. [10 mm] and under in thickness, a Brinell hardness test may be used instead of ten

What is the material and application of Q690D steel plate

What is the material and application of Q690D steel plate

Nov-17-2020

What material is Q690D steel plate?
The steel grade Q690D is a kind of low alloy high strength steel. Q690D steel is named after its yield strength value. Q is the abbreviation of yield strength, that is, the yield strength of Q690D steel is 690 MPa, and

How about 42CrMo4 weldability

How about 42CrMo4 weldability

Nov-16-2020

42CrMo4 steel is a versatile alloy with good atmospheric corrosion resistance and reasonable strength. 42CrMo4 steel shows good overall combinations of strength, toughness, wear resistance and fatigue strength. How about 42CrMo4 weldability?42CrMo4 weldab

What is the heat treatment of 40Cr tool steel?

What is the heat treatment of 40Cr tool steel?

Nov-16-2020

40Cr material is a GB standard steel grade, and 40Cr steel is one of the most widely used steels in the machinery manufacturing industry. Heat treatment of 40Cr tool steel
The first quenching heating temperature (℃): 850; coolant: oil

What is the Q420qD steel?

What is the Q420qD steel?

Nov-12-2020

Q420qD steel is a kind of atmospheric corrosion resistant structural steel specially used to build various steel structure bridges (railways, highways, cross-water, and cross-sea). It has high strength, toughness and can withstand the loads and impacts of

What is 42CrMo4 hardness

What is 42CrMo4 hardness

Nov-12-2020

42CrMo4 steel is chromium-molybdenum steel, and it is usually used after quenching and tempering. 42CrMo4 steel has high intensity and high hardenability. 42CrMo4 steel is applicable to induction hardening. The surface 42CrMo4 hardness will exceed min. 53

Comparison of use of 45Mn plates and 40Cr plates

Comparison of use of 45Mn plates and 40Cr plates

Nov-11-2020

The carbon content of 45Mn plates is 0.42%-0.50%. The strength, toughness and hardenability of 45Mn plates are all higher than that of 45# steel. The quenching and tempering treatment for 45Mn plates can obtain better comprehensive mechanical properties a

What is 20MnTiB material

What is 20MnTiB material

Nov-10-2020

Chemical composition of 20MnTiB material: C: 0.17-0.24%, Si: 0.17-0.37%, Mn: 1.30-1.60%, B: 0.0005-0.0035%, Ti: 0.04-0.10%.Mechanical properties of 20MnTiB material: tensile strength: 1130 Mpa, yield strength: 930 Mpa, elongation at section: 10%, reductio

30CrMoA alloy steel properties

30CrMoA alloy steel properties

Nov-10-2020

30CrMoA alloy steel properties
The hot strength of 30CrMoA alloy steel is also good. It has sufficient high temperature strength below 500°C, but its strength decreases significantly at 550°C; when the alloying element is at the lower limit, the weldabil

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