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?
And the tower back to the set screw connection, generally need a group, that is, tower crane foundation diagonal two lines, two ground connection! The distance should be more than six meters.
Q:The function of ground lead out galvanized flat steel
1, galvanized flat steel, refers to the 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.2. Main uses: galvanized flat steel used as a useful material, can be used to make iron, tools and machinery parts, building for housing, structural parts, escalators.
Q:What does QB stand for in Q235B flat steel? What's the difference between Q235B and Q235A?
Low alloy steel Q235A and Q235B in A, B is the difference between the level of quality (total seems to be divided into four levels, you can check and confirm), the main difference is whether it is necessary to do the normal impact test, A does not need to do, need to do B.
Q:What is the negative deviation allowed by the national standard for galvanized flat steel of 40*4?
40*4 galvanized flat steel GB permitted negative deviation value is the thickness deviation value is 0.2mm, the deviation 0.4mm, the width deviation value is the upper deviation 0.5mm, lower deviation 1.0mm
Q:50*4 hot dip galvanized flat steel can be used as grounding. How many square feet can be used instead of ground wire?
GB is not 50*4, but 4*40; International Electrotechnical union IEC is 3*25 can also, and if it is small houses, GB only 6mm diameter of it. It can be seen that the size of flat steel is mainly due to the consideration of mechanical strength and more than the consideration of electrical performance
Q:Construction of lightning protection ground galvanized flat steel approach, need to retest test? What's the test?
Hot rolled flat steel is a general purpose rectangular cross section strip. Its specifications are expressed in millimeters of thickness / width, flat steel can be finished steel, used for components, ladders, bridges and fences, etc.. Flat steel can also be used to weld rigid steel and billets and slabs of laminated sheets. This standard is applicable to hot-rolled flat steel with rectangular cross section. Measurement: flat length and length of flat steel, according to the theoretical weight of delivery.
Q:What is the difference between steel band and steel ring? The steel strip is flat steel and the steel ring is made of steel. Am I right?
A steel strip is a steel strip of relative range, and can be called a steel strip when the width is less than 1000.
Q:The grounding electrode 50 angle steel and the ground wire 50, the flat steel lap welding, according to the specification 169 needs the flat steel to be late 90 degrees, bends close to the angle steel side, the overlap width is 4 times (200mm)?
GB50169-2006 in the 3.4.2 stipulates that the grounding body (line) shall be welded by lap welding, and its lap length shall comply with the following requirements:1. flat steel is 2 times its width (and welded with at least 3 edges);2. round steel is 6 times its diameter;3. round steel and flat steel connection, its length is round steel diameter of 6 times;
Q:80 * 80 * 4 galvanized flat steel is what specifications?
Galvanized square pipe.Specification: 80 * 80 * 4 is the dimension of galvanized square pipe. That is to say, the length and width of the inner diameter of the nozzle are 80mm, and the thickness of the tube wall is 4mm.
Q:How to use -40*4 galvanized steel bar to do grounding electrode?
The -40*4 galvanized flat steel is used as the grounding electrode, and the horizontal grounding electrode needs to be welded with the lead wire.

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