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Q690C high strength steel plate

Q690C steel plate is a high-strength low-alloy structural steel. It is widely used in heavy machinery, pressure vessels, bridges and shipbuilding due to its excellent mechanical properties and processing characteristics.

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High-strength steel plate

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Product Details

Chemical composition: usually contains carbon (C) ≤ 0.20%, silicon (Si) ≤ 0.80%, manganese (Mn) ≤ 2.00%, phosphorus (P) ≤ 0.030%, sulfur (S) ≤ 0.025%, niobium (Nb) ≤ 0.11%, vanadium (V) ≤ 0.12%, titanium (Ti) ≤ 0.20%, aluminum (Al) ≥ 0.015%, etc.
Implementation standard: GB/T 16270
Mechanical properties: yield strength ≥ 690MPa, tensile strength 770 - 940MPa, elongation ≥ 10%.
Delivery status: generally delivered in the quenching and tempering (quenching + tempering) state.
Features: extremely high strength: can withstand very large loads, suitable for structures with high strength requirements.
Good toughness and plasticity: while ensuring high strength, it has certain toughness and plasticity.
Application areas: large-scale engineering machinery: such as the main arm, frame and other key parts of large cranes.
Mining machinery: such as the carriages and frames of large mining trucks.
Marine engineering: important load-bearing structures of offshore platforms.

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ADEQUATE INVENTORY

Sufficient inventory for you to choose from, high quality and low price, buy with confidence.

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We adhere to strict quality control and every product is carefully crafted to ensure worry-free quality.

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FAQ

Q:Will you can accept the customized and OEM products?

A:Yes,we can do the production based on your drawings and with your logo,also because we have very strong design and development team,so the feedback is very good for customized product.

Q:What is your payment terms?

A:Commonly two payment term for new customers 1 ) 30%T/T as deposit,70% balance against B/L copy. 2)100% Irrevocable L/C at sight. If you need other terms, please feel free to contact us too, we will try our best.

Q:How about the samples? Is it free to extra fees?

A：Samples are free, you need to pay for shipping.

Q:How long is your delivery time?

A:Our daily inventory is more than 8000 tons, so far common products size,just need 5 days from stocks; if the special size from new production, delivery 7-15 days.

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High-strength steel plate