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High Hardness 630 Stainless Steel Sheet Plate Thickness 1.0 - 6.0mm ASME SA240

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High Hardness 630 Stainless Steel Sheet Plate Thickness 1.0 - 6.0mm ASME SA240

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Brand Name :	TISCO BAOSTEEL
Model Number :	630 / 17-4ph
Certification :	ISO
Price :	1700- 2000 USD/Ton
Payment Terms :	T/T, Western Union
Supply Ability :	20Ton per week
Delivery Time :	5 - 12 days based on the quantity

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High Hardness 630 Stainless Steel Sheet Plate Thickness 1.0 - 6.0mm ASME SA240

High Hardness 630 Stainless Steel Sheet Plate Thickness 1.0 - 6.0mm Thickness ASME SA240

Products Specification

Products Name	630 Stainless Steel Plate
Main Grades	Stainless Steel J1, J2, J4, 201, 202, 301, 304, 304H, 304L, 309, 309S, 310, 310S, 316, 316L, 316TI, 321, 321H, 347, 409, 410, 410S, 420, 430, 441, 904L,630,631,254SMO,253MA,2205,2507.etc
Thickness	1.0 - 80.0mm
Width	1250mm,1500mm ,1800mm,2000mm, or custom other size as request
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, AS PER CUSTOMER’S REQUIREMENT
Type of Material	Laser Cutting
Form	Plate / coil
Test Certificate	Yes.
Finish	NO.1, 2B
Brand	DELTA

630 Stainless Steel Sheet Product Information

Product Description

630 stainless steel sheet, also known as 17-4 PH stainless steel, is a precipitation - hardening stainless steel. It combines the excellent corrosion resistance of stainless steel with high strength and good mechanical properties after heat treatment. The surface of the sheet can be produced in various finishes, such as 2B (bright annealed), BA (bright annealed), and mirror - polished, providing flexibility for different application requirements. It has a metallic luster, and its smooth surface reduces the adhesion of dirt and is easy to clean, which is beneficial for maintaining the appearance and hygiene of products.

Parameters

Chemical Composition: Mainly contains approximately 15 - 17.5% Chromium (Cr), 3 - 5% Nickel (Ni), 3 - 5% Copper (Cu), 0.75 - 1.5% Columbium + Tantalum (Cb + Ta), with Carbon (C) content ≤0.07%, Manganese (Mn) ≤1.00%, Silicon (Si) ≤1.00%, Phosphorus (P) ≤0.040%, and Sulfur (S) ≤0.030%.

Mechanical Properties: Tensile strength can reach 1000 - 1300 MPa after heat treatment, yield strength is typically 850 - 1150 MPa, elongation ≥10%, and hardness can be adjusted in the range of 28 - 44 HRC depending on the heat treatment process.

Thickness: Available in a wide range, usually from 0.3 mm to 100 mm.

Width: Common widths include 1000 mm, 1219 mm, 1500 mm, etc.

Length: Customizable lengths, usually up to 6000 mm.

Standards

630 stainless steel sheet complies with multiple international and domestic standards, such as ASTM A693 in the United States, which specifies the requirements for precipitation - hardening stainless and heat - resisting steel sheet, strip, plate, and flat wire. In addition, it also meets the requirements of GB/T 20878 - 2007 in China, which is a general standard for stainless and heat - resisting steel grades and their chemical composition.

Similar Grades

In Europe: X5CrNiCuNb16 - 4 is a similar grade, which has a comparable chemical composition and mechanical properties.

In Japan: SUS630 is the corresponding grade, widely used in Japanese manufacturing industries, and it also has good corrosion resistance and mechanical performance after precipitation hardening treatment.

Advantages

High Strength and Toughness: After proper heat treatment, 630 stainless steel sheet can achieve high strength while maintaining good toughness, making it suitable for applications that require high - strength components with certain impact resistance.

Excellent Corrosion Resistance: With a relatively high chromium content, it shows good corrosion resistance in various environments, including resistance to atmospheric corrosion, water corrosion, and some chemical media corrosion, which greatly extends the service life of products.

Good Machinability: It can be easily processed by various methods such as cutting, bending, and welding, which is convenient for manufacturers to produce different shapes and sizes of products, reducing production difficulty and cost.

Precision Dimensional Control: Advanced production processes ensure that the 630 stainless steel sheet has precise dimensional accuracy, which is beneficial for applications that require high - precision assembly, improving product quality and production efficiency.

Packaging

Inner Packaging: The 630 stainless steel sheets are first wrapped with moisture - proof paper or plastic film to prevent moisture and scratches during transportation and storage, protecting the surface finish of the sheets.

Outer Packaging: Then, they are placed in wooden cases or steel pallets. The wooden cases are nailed firmly to ensure the stability of the products during transportation. The steel pallets are equipped with proper strapping to fix the sheets and prevent movement. For large - quantity orders, the packaged products can also be loaded into containers for sea or land transportation, ensuring safe and efficient delivery.

Applications

Aerospace Industry: Used in the manufacture of aircraft structural components, such as landing gear parts, engine brackets, etc., due to its high strength, good toughness, and corrosion resistance, which can meet the strict requirements of the aerospace field for material performance.

Marine Engineering: Applied to marine equipment, such as ship hull structures, seawater pipelines, and offshore platform components, because of its excellent corrosion resistance in seawater environments, effectively preventing seawater corrosion and ensuring the safety and reliability of marine facilities.

Mechanical Manufacturing: Widely used in the production of high - strength mechanical parts, such as gears, shafts, and molds. Its good machinability and high - strength properties make it an ideal choice for manufacturing precision mechanical components.

Medical Equipment: Due to its good corrosion resistance and biocompatibility, 630 stainless steel sheet can be used in the production of some medical devices, such as surgical instruments and medical implants, ensuring the safety and hygiene of medical products.

High Hardness 630 Stainless Steel Sheet Plate Thickness 1.0 - 6.0mm ASME SA240

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