HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
77 m.t.
Supply Capability:
2000000 m.t./month

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Product Description:

Description of steel round bar:

Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness ,hardness, high temperature hardness.Carbon steel rod applies to chemical industry, shipping industry,manufacturing industry,construction,decorate Industry,electric power,pump shafts, sanitary wares,furniture handles,boiler,high temperature resistant,low temperature resistant, corrosion resistant.


Festures of steel round bar:

Anneal temperature: 840-860

   Relief annealing temperature: 720-760

   Hardening temperature: 1210-1230

   Hardening medium: salt bath under 600,aslo use oil cooling or air cooling

 

Specifications of steel round bar: 

CSiMnWMoCrVPS
0.80-0.900.20-0.450.15-0.405.50-6.754.50-5.503.80-4.401.75-2.20≤0.030≤0.030

 

Images of steel round bar:

HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2

FAQ:                                               

1. What is your package?

Packing situation: standard seaworthy packing or as customer required.

2. How long is the lead time?

Delivery time: 45 days after order confirmed.

3. What  payment term do you accept?

Payment: T/T or L/C at sight.

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Q:Three - grade thread Phi 10 steel can replace a grade Phi 12 round bar? Which elder knows, trouble pointing.
The general situation is not possible, but sometimes as stirrup time, and has little effect on the structure, if 12 reinforced with missing a few, but not on the main force position is possible, sometimes supervision is not allowed.
Q:How many tons of pressure can the round steel of 70 inches bear?
If the steel will generally approximate compressive strength considering tensile strength, even if is only 4 tons / square centimeters, each round cross section of 26 mm diameter is 5.3 cm, maximum 5.3*4 about 20 tons of pressure, the actual use should take into account the safety factor;
Q:What's the difference between bar and round bar?
Quenching is a heat treatment behavior, as raw material will not be quenched, and generally should be normalized or annealed by reasonRound steel can also be used for seamless steel tube perforation, bar material can not be
Q:Why can't the grounding device be replaced by steel bar instead of round steel?
The mechanical strength of the steel thread is destroyed. Because the supporting point is only the ground, it is easy to cut the steel directly if the thread is not vertical. Therefore, we need to use angle iron, steel pipe or smooth steel round bar.
Q:What are the differences between hot rolled stainless steel rounds and cold drawn round ones?
Hot rolled round steel, used in construction and general hardware parts processing is very common. Cold drawn round steel (do not know is not cold dial round bar). But I understand by the cold dial round bar Also mainly used in hardware parts processing and production. Such as hinge shaft core or other surface and diameter requirements of production and processing occasions.
Q:Q235 and mechanical properties of hot rolled steel cold drawn steel have what difference, Q235 hot rolled steel with 12 combined shearing machine has a number of very hard, the damage of the blades, why
Secondly, have a great relationship with the mechanical properties of heat treatment of steel, quenching hardness increased, annealing hardness decreases, the same kind of material of steel under different heat treatment, the hardness difference is very big, you said the hot bar is excellent, there may have been a quenching in the production process
Q:Is round bar steel?
In actual engineering, it is not necessary to use steel bar instead of round steel, but it should not be reversed. In addition, the diameter of the round steel bar is generally not large, but the diameter of the round bar is very large.
Q:Grade 1 steel is round steel, grade two steel is ribbed thread steel. Are the weight of the two units the same?
Grade two steel is ribbed steel, but the average diameter is calculated. The chemical composition of grade steel and grade two steel is different, but the density of them is the same. Therefore, the unit weight of grade 1 steel and grade two steel is the same.
Q:What is the difference between 40Cr round steel and 40Cr forging parts?
The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.
Q:Weight algorithm of round steel
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Where: 5.5-25 mm small round steel mostly straight bundles of supply, used for steel, bolts and various mechanical parts; greater than 25 mm round steel, seamless steel pipe is mainly used for the manufacture of mechanical parts of the tube, etc..

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