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
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
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
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
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
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
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
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
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
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
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
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
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
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
Nov-09-2020
What is ASTM A514 grade B sheet? ASTM A514 grade B sheet is a kind of alloy steel used in applications that require a particularly high yield strength. ASTM A514 grade B sheet needs heat treatment of quenching and tempering to guarantee its excellent perf
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