HR SS400 Spring Steel With High Quality

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t
Supply Capability:
10000 m.t/month

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Item specifice:

Standard: AISI Technique: Hot Rolled Shape: Round
Surface Treatment: Galvanized Steel Grade: HRB400 Certification: SGS,BV,ISO
Thickness: 4 Length: 6 Net Weight: 3

Product Description:

Product Description:

OKorder is offering HR Spring Steel with high quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

HR Spring Steel with high quality are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

OKorder's  HR Spring Steel with high quality are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Description:

HR Spring Steel with high quality can be divided into two types. One is carbon spring steel, and other one is alloy spring steel.

Alloy spring steel is based on carbon spring steel, by adding one or more alloying elements to improve the mechanical properties, hardenability and other properties to meet the requirement for manufacturing all kinds of spring steel.

Specification of HR Spring Steel with high quality :

-Material: 65Mn

-Standard: GB

-Type: Spring Steel

Chemical Composition:

C

Si

Mn

S

0.63~0.65

0.19~0.22

0.98~1.10

≤0.01

P

Cr

Ni

Cu

≤0.014

≤0.2

≤0.02

≤0.05

Mechanical Properties:

-Tensile Strength σb (MPa): 825~925

-Yield Strength σs (MPa): 520~690

-Elongation δ10(%): 14~21.5

-Percentage reduction of area: ψ (%): ≥10

-Hardness:

1, Hot rolled: 240~270HB

2, Soft state hardness of cold rolled: 190~220HB

3, Hard state hardness of cold rolled: 300~340HB

4, Heat treatment: 38~60HRC

Usage/Applications of HR Spring Steel:

-65Mn, element Mn improves hardenability. Surface decarburizing tendency is less than silicon steel. After heat treatment, the mechanical properties are better than carbon steel.

-Spring steel of this material is usually used as flat and round spring of small size, clockwork spring, spring ring, valve spring, brake spring and so on.

Packaging & Delivery of HR Spring Steel:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We will paint both ends of each bundle of products to make sure that it’s more convenient for customers to distinguish their products from others, besides, we will tie tag marks to the bundles with following information: company name and logo, product name, specification, material, and so on.

-Delivery Detail:

1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.

2, Delivery status should be written in the contract. (Heat treatment or no)

Transportation:

1, The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

2, The maximum quantity of loading of container is 25 tons.

3, The products are usually transported to the nearest port from the production place.

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: The products are invoicing on theoritical weight or on actual weight? 

A3: We can do it in both manners, according to the customers' request.

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HR  SS400 Spring  Steel  With  High Quality

HR  SS400 Spring  Steel  With  High Quality

 

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Q:How to connect the base of the tower crane and the flat steel? How can it be welded and connected?
How to connect the base of the tower crane and the flat steel?:It can be punched on a flat iron and connected by screws and multiple copper wires
Q:The minus sign in front of what 40 galvanized flat steel
Refers to the galvanized flat steel, width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of galvanized steel. Galvanized flat steel can be finished steel, also can be galvanized pipe blank and galvanized belt.
Q:What is the tensile force of the galvanized flat steel of 20*3?
Since the specifications require that the stationary support be able to withstand the 49N pull, I wonder if this flat steel can withstand such a large pull to choose the flat type;
Q:What's the difference between stainless steel flat bar 304 and 316
From the metallography point of view, because the stainless steel contains chromium, the surface forms a very thin chromium film, which separates from the oxygen penetrated by the steel.
Q:What is flat steel, please? What are the specifications of flat steel?
Flat, refers to the width 12-300mm, thickness 3-60mm, cross section is rectangular in shape and with a blunt edge of steel.
Q:What is flat steel, please?
Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling. Main application: flat steel is used as a material, used for making iron, tools and machinery parts, and used as frame structures and escalators for buildings.
Q:Building poles, outdoor flat steel, the deeper the buried depth, the better?
Building poles, outdoor flat steel, buried depth is not as deep as possible. According to the standard requirements, the level of the embedded depth is not less than 0.6 meters.
Q:Why is it better to use round steel than that of flat steel in lightning protection?
From the cross section, thermal stability as long as meet the discharge current can be, but from the lightning protection downlead selection, selection of round steel in order to prevent the tip discharge, so we generally do not choose flat edges as grounding, buried in the earth round and not flat how much difference, but in the same section of the case, of course, the contact area of flat steel and soil are large, relatively scattered large flow area, the construction is more convenient, in terms of price, we are willing to use flat, as for the problem of anti-corrosion, anti-corrosion paint, zinc can be taken, you know the thickness of galvanized steel pipe is generally not flat, so it really depends on the term for the use of galvanized flat steel is not bad.
Q:Galvanized steel flat welding occurs after the material itself crack.
Cold crack: a cold crack is a weld crack that occurs when the joint is cooled to a lower temperature. The causes are the quenching tendency, the residual stress, the diffusion hydrogen content of the weld metal and the heat affected zone.
Q:The technological process of flat steel
The working principle of precision steel production process of flat steel finishing machine is cold flat bad hair with two sets of upper and lower staggered leveling wheel thickness pre leveling and final leveling; with a pair of oppositely disposed finishing wheel in the width direction of extrusion, the width is compressed and reaches the expected parameters and the amount of compression can be adjusted; with 5 aspects of straightening straightening wheel arrangement of the staggered width. This system is mainly composed of a control box, finishing roller, pre leveling unit, finishing unit, straightening unit.

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