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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

What is ASTM A514 grade B sheet

What is ASTM A514 grade B sheet

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

How about 51CrV4 spring steel properties

How about 51CrV4 spring steel properties

Nov-05-2020

51CrV4 steel is high quality spring steel. 51CrV4 spring steel has high proportional limit and strength, high fatigue, good plasticity and toughness, and good tempering stability. Besides, other 51CrV4 spring steel properties are also recognized, for exam

What is material 40Cr equivalent steel grade

What is material 40Cr equivalent steel grade

Nov-04-2020

Material 40Cr is a Chinese steel grade in GB standard, and material 40Cr is one of the most widely used steels in mechanical manufacturing industry. After quenching and tempering, material 40Cr can get good comprehensive mechanical properties, good low te

API 5L X60 PSL1 steel production increased slightly

API 5L X60 PSL1 steel production increased slightly

Nov-03-2020

In October, driven by the rebound of market demand, API 5L X60 PSL1 steel and so on steel production increased. However, due to the large amount of steel inventory, Tangshan and other places' environmental protection and production restriction pol

Shortage of supply may lead to price rise of cold and hot rolled steel coils

Shortage of supply may lead to price rise of cold and hot rolled steel coils

Nov-03-2020

Due to the shortage of supply, the price of cold and hot rolled steel coils in Japan is likely to rise, and the downstream may also accept price increases from steel mills and distributors.Demand in the spot market is picking up gradually, but the driving

What material is 45Mn2 steel

What material is 45Mn2 steel

Oct-30-2020

What material is 45Mn2 steel?
45Mn2 steel is a kind of alloy structural steel. 45Mn2 steel is made of high-quality carbon structural steel with proper addition of manganese element. 45Mn2 steel belongs to the medium carbon quenched and tempered steel in

20MnHR steel production process

20MnHR steel production process

Oct-29-2020

20MnHR steel production process: This steel is smelted by electric furnace or electric furnace + out-of-furnace refining method, using calm pouring.
Delivery status: steel plate is delivered in normalizing state, normalizing temperature: normalizing temp

What is EN S690QL chemical composition

What is EN S690QL chemical composition

Oct-29-2020

EN S690QL steel is fine grained quenched and tempered steel. It is well known for its high strength, which shall owe to S690QL chemical composition. EN S690QL steel yield strength shall be not lower than 690 Mpa, and it is mainly used in a wide variety of

What is 30CrMo equivalent steel material

What is 30CrMo equivalent steel material

Oct-28-2020

30CrMo steel is alloy structural steel, which is mainly produced in Chinese steel mills. With good machinability, medium cold bending and plasticity, high hardenability, good weldability and so on advantages, 30CrMo steel is widely used, and 30CrMo equiva

Q355B material chemical composition

Q355B material chemical composition

Oct-28-2020

Q355B material is a low-alloy high-strength structural steel, where "Q" means yield strength, 355 means that the yield strength of this steel is 355MPa, and its yield value will decrease as the thickness of the material increases. Q355B steel plate is w

BBNsteel supply high quality SA299 Grade A boiler plate

BBNsteel supply high quality SA299 Grade A boiler plate

Oct-27-2020

The chemical composition of SA299 Grade A steel produced by BBNsteel company fully meets the requirements of the ASME SA-299 standard, and the content of harmful impurities such as P and S is low. In the thickness direction of the boiler plate, the chemic

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