HSS Steel Round Bar/High Alloy Round Tool Steel Bar/M2/M25M42/D2/H13

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
33 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.


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

   Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temperature: 63-66

Production Capacity: 1000 Tons/Month

Tech:EAF+LF+VD+ESR

High strength at elevated temperatures

 

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/H13

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:How to distinguish a round bar from forging? Cold drawing? Hot rolling?
The main differences are in mechanical properties. Forged round steel is used in the processing of some special performance requirements. Round steel three processing methods are more common, should be very wide surface.
Q:What is the difference between a circle and round steel continuous casting
The first two density is not the same, the round billet continuous casting billet is molten steel into round billet crystallizer, after two cold water cooling, solidification formation, density is small; bar is formed by the billet or round billet rolled steel products, good density, better mechanical properties than the same size of billet. Second, round billet is the raw material for steel rolling, and the bar is the final product sold as steel.
Q:What's the difference between pure iron round steel and electromagnetic pure iron bar?
One thing, one thing, the same thing is round. However, in the general industry, about 30 of the habit is called bar,
Q:Which is hard, round steel or screw steel?
If the diameter is the same, of course, the rebar is of great hardness.Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.
Q:What is the difference between common wire and high-speed wire?
Round steel and other steel (wire line, PU) difference: 1 is not the same, round shape light round, no pattern without ribs, other steel surface appearance is engraved or ribbed, cohesive force that cause steel and concrete, and the bond strength of steel and concrete in the other. 2 ingredients are different, round steel (grade a steel) belongs to ordinary low carbon steel, and other steel bars are mostly alloy steel. 3 strength, steel and other steel with high strength low strength, namely, diameter of the same size as compared with other steel, round steel can bear the pulling force than other reinforced small, but the plastic steel reinforced bar is stronger than the other, there is a large deformation in the break before, and it reinforced the deformation the break before the much smaller.
Q:Requirements for groove welding of grade 22mm round steel and manual arc welding
If not on the lathe, in the groove on the round bar with gouging or cutting gun, docking form X type double sided bilateral docking, blunt edge 2mm root gap 2mm welding, welding side sincere one or two seam, flip the workpiece on the other side of a full weld groove, flip weld residual,
Q:What is the tensile strength of round steel bars of diameter 28?
The tensile strength of round steel bars of diameter 28 is 27079.36~33849.2 kg. It is explained as follows: the material of rebar is generally Q235-A carbon structural steel, its yield strength is 235 MPa, tensile strength is 441~550 MPa, and it is 44~55 kg / mm2. The cross-sectional area of 28 mm in diameter is about 615.44 mm2, and its tensile strength is about 27079.36~33849.2 kg.
Q:Why do I use the M25 round bar for the embedded bolt M24?
Because M25 round steel machine processing, the direct use of M24 round steel accuracy is not guaranteed
Q:How to determine the welding seam height of steel plate and steel bar?
How to determine the welding seam height of steel plate and steel bar?:If the steel plate surface and steel end vertical welding, welding angle height depends on the diameter of the steel, general welding angle height is 0.7 times the diameter of reinforcement;
Q:Which is stronger, steel pipe or round steel? Which is good at bending?
The strength of the steel pipe is slightly lower, but its weight is light, so as long as the wall thickness is reasonable, the experienced designer uses steel pipe instead of round steel.Like me, that's it

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