Carbon Structural Steel Square Bars ST37-2CR

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
120000 m.t./month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

 Carbon Structural Steel Square Bars ST37-2CR

 

Product Specification

1, Chemical Composition %

GradeCSiMnSPCr
ST37-2CR0.21-0.25≤0.35≤1.4≤0.045≤0.045≥0.30

2, Mechanical Properties 

Strength of Extension σbYield Strength  σsImpact AKv
340-470 Mpa≥235 Mpa≥27J

3, Diameter: 9mm, 9.8mm, 10mm, 12mm, 12.5mm, 13mm, 15mm, 15.87mm, 16mm, 19mm, 20mm, 22mm,

                   25mm, 25.4mm, 28mm, 38mm, 50mm, 51.5mm, 53mm, 65mm, 75mm, 100mm   

 

Application

 1, Widely used in construction and engineering structure.

 2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.

 3, Widely used in manufacturing mechanical parts which are not required to be with high performance.

 

Product Main Points

1, Heat Treatment: normalizing, annealing, tempering, quenching

2, Surface Treatment: black, grinding, bright, polish

3, Product Process: hot rolled, cold drawn, forged

 

Product Show

Carbon Structural Steel Square Bars ST37-2CR

 

Work Shop

Carbon Structural Steel Square Bars ST37-2CR

 

About Us

Carbon Structural Steel Square Bars ST37-2CR

Carbon Structural Steel Square Bars ST37-2CR

 

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Difference between round bar and other steel bars
It is divided into three kinds: hot rolling, forging and cold drawing. Round steel (grade 1 steel) belongs to ordinary low carbon steel, and most other steel bars are alloy steel. Round steel is of low strength and high strength of other steel.
Q:Will the theoretical weight of thread steel and round steel be the same?
The theoretical weight of threaded steel and round steel is the same. The middle part of the steel bar size ratio is small, the design time actually unit weight are the same, just screw steel crescent and transverse ribs prominent, resulting in heavy steel should be better than the illusion of formula is 0.00617 multiplied by the square of the diameter / m.
Q:The difference between galvanized round bar and galvanized flat steel?
Galvanized round bar and galvanized flat steel are of different shapes and different uses.
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:Special steel bar steel products used to do what
But the red hardness difference of this kind of steel, that is, when the working temperature is greater than 250 degrees, the hardness and wear resistance of steel will decline rapidly, and lose their ability to work. In addition, carbon tool steels, such as those made of larger parts, are difficult to harden and easy to produce
Q:How about tempering No. 45 round bar?
Quenched and tempered steel has two major categories: carbon quenched and tempered steel and alloy quenched and tempered steel. Carbon steel or alloy steel, the control of carbon content is relatively strict. If the carbon content is too high, after quenching and tempering the strength of the workpiece is high, but the toughness is not enough, such as carbon content is too low, toughness and lack of strength. In order to make the quenched and tempered parts get good comprehensive performance, the total carbon content is controlled at 0.30~0.50%.
Q:What is the tensile strength of Q235 round steel?
Level 1, surface shape, light circle, strength code R235, grade Q235, carbon content 0.14%-0.22%. Silicon content 0.12%-0.30%. Manganese content 0.30%-0.65%, phosphorus content is equal to less than 0.045%, sulfur content is less than or equal to 0.050%,
Q:What is galvanized round bar?
A cylindrical bar of iron or steel bar that crosses a layer of zinc on its surface.
Q:Lightning protection earthing zinc plating flat iron and round steel welding method, need to flat iron wrapped in round steel outside welding?
Don't need, but the welding seam area not less than round or flat between the relatively small cross section, the weld to coated with anticorrosive paint. Generally speaking, the grounding part does not use steel, galvanized L type flat iron good effect (copper strip and galvanized L type flat iron is not much, just life is long, but the cost is much higher), round only used as grid wiring.
Q:How many grades of steel are round steel?
Secondly, the round steel only shows the shape of steel, all kinds of steel have round steel, it can not explain the nature and composition of steel.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range