Spring Steel Flat Bar ASTM Standard China Supplier

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
2000 PCS
Supply Capability:
40000 PCS/month

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Product Description:

China Supplier ASTM Spring Steel Flat Bar Details

Standard:

JIS,AISI,GB,DIN,EN,JIS, AISI, ASTM, GB ect

Dimensions:

3mm-20mm

Grade:

300 Series

Place of Origin:

China (Mainland)

Width:

15mm-200mm

Model Number:

321 304 304l 316 316l 321

Type:

Flat

Application:

Boiler heat exchanger,machinery and hardware fields ect

Shape:

Square

Certification:

BV

Special Use:

Valve Steels

Material:

304 316 317L 321 310S 430 904L ect

Surface:

2B 8K HL NO.1 BA ect

Length:

2000mm-6000mm

Quality:

Excellent and high quality control


Packaging & Delivery


Packaging Detail:Standard seaworthy packing or as per your requirement
Delivery Detail:About 3-5 days



Features of China Supplier ASTM Spring Steel Flat Bar


  • The appearance of cold-rolled products gloss is good, beautiful;

  • Excellent high temperature strength;

  • Excellent work-hardening (after processing weakly magnetic)

  • Non-magnetic state solution



Specifications of China Supplier ASTM Spring Steel Flat Bar

 1. Standard:                          GB ASTM, JIS etc

 2. Grade:                              304 316 317 321 430 904L ect

 3. Size:                                 19*3 mm-140*12 mm

 4. Thickness:                         2mm-20mm

 5. Width:                              15m-200mm

 6. Shape Manufactured:        Flat bar

 7. Length:                             2m-6m or as customers' request

 8. Surface finish:                   Black & Pickled & Bright

 9. Manufacture technology:  Cold drawn/cold rolled/hot rolled


China Supplier ASTM Spring Steel Flat Bar Pictures








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Q:Are lead contained in galvanized steel plates and plain steel plates?
There is no lead in galvanized steel plate and ordinary steel plate,The difference between galvanized steel plate and ordinary steel plate is that there is electroplated coating. After plating a layer of other metal, the steel plate is not easy to corrode and is not easy to rust.
Q:What is hot and cold rolled steel plate? How to distinguish? What high hardness? Which will produce noisy eye?
As the name suggests, hot rolling, rolling temperature is high, so the deformation resistance is small, can achieve large deformation in rolling steel plate. For example, the general continuous casting slab thickness is about 230mm, and after roughing mill and finishing mill, the final thickness of 1~20mm. at the same time, because the steel plate width thickness ratio is small, the size precision is relatively low, not easy appear the flatness problem, mainly to control the convexity. For the organization required, generally through controlled rolling and cooling control is realized, microstructure and mechanical properties of the rolling temperature, finishing temperature and coiling temperature to control strip finishing. Cold, generally in the heating process is not open before rolling. However, because the strip thickness is small, it is easy to appear the flatness problem. Moreover, after cold rolling is finished, therefore, in order to control the dimensional accuracy and surface quality of steel strip, using a lot of tedious process. The cold rolling production line, equipment, process complex With the user to improve the shape and surface quality of the strip size precision, plate, cold rolling mill control model, L1 and L2 system, the shape control means relative to hot. And temperature is one of the important control index of rolls and strip.
Q:Steel plate coated cement mortar, how can bonding firm?
The simplest method is mortar plus adhesive; the additive used for bonding steel is not cheap.
Q:What does steel plate "A3" mean?
Using Q235 steel as punch material, after quenching without tempering, direct use, hardness of 36~40HRC, solved the punch in use in the phenomenon of fragmentation
Q:What is the function of an automobile leaf spring?
Spring: the multi length and unequal curvature of the folded plate. After installation ends naturally curved upward. When the impact force of the wheel face came when the steel plate deformation, play a buffer, damping effect
Q:Can 16Mn steel plate be used instead of Q345D steel plate?
If the use of Q345D instead of using 16Mn, that can be, but 16Mn instead of Q345D can not, and also can not buy 16Mn steel now, that is the old number, and the latest brand is Q345A
Q:Why can steel HPB300, steel plate without Q300, steel structure manuscript review, but also continued the Q235, why not improve it?
Carbon steel according to the steel yield strength is divided into 5 grades: Q195, Q215, Q235, Q255 and Q275 of each grade because the quality is divided into A, B, C, D grade, with a maximum of four kinds, some only one; this is just plain carbon steel, the price is cheap, generally not heat treatment. Only quality carbon steel has the value of heat treatment.
Q:The differences and uses of cold rolling and hot rolling
There are different reasons for the residual stress in hot rolled and cold-rolled steel sections, so the distribution of the residual stresses is also quite different. The residual cold-formed steel section stress distribution is curved, and hot rolled steel or steel welding section on the residual stress distribution is thin.
Q:Larson steel sheet pile and what is the difference between the hot cold
The difference between cold bending and hot rolling is different from the name of the manufacturing process.Therefore, the wall thickness of cold-formed steel sheet piles is the same, and the wall thickness of hot rolled steel is different from different parts, and the nozzle can be made thick.
Q:The method of making spring steel for automobile?
The south is the car plate making machetes bow. Hardness enough. It is important to quench the heat. A big jump makes a big mouth. Soft edge. Special blacksmith needs to be quenched

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