SS 304/304L Plates

SS 304/304L Plates

Renam Alloys Inc. is a highly reputable industry that is extensively engaged in the production, supply, export, and stocking of premium-quality industrial goods. Among their key specialties is the manufacturing and distribution of SS 304 and SS 304L plates, catering to markets across the globe.

The company utilizes various materials for fabrication, including carbon steel, alloy steel, duplex steel, and stainless steel. To meet the diverse demands of their customers, they offer a wide selection of products in multiple dimensions and specifications, ensuring suitability for a broad range of industrial applications.

Understanding the budget considerations of their clients, Renam Alloys Inc. provides products at competitive market prices. In addition to top-notch products, they also deliver after-sales support and value-added services to enhance customer satisfaction.

An Overview of Alloy 304/304L

Type 304 is one of the most widely used stainless steel grades and is known for being non-magnetic in its annealed condition. Commonly referred to as 18/8 stainless steel, it contains approximately 18% chromium and 8% nickel.

SS 304 exhibits excellent forming and welding characteristics, along with superior corrosion resistance and mechanical strength. It can be shaped into various forms and used without the need for annealing. The alloy effectively resists corrosion caused by chemical exposure in items like fruits and milk, making it a popular choice for applications such as sinks, fasteners, and chemical containers.

EQUIVALENT GRADE

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 304	1.4301	S30400	SUS 304	304S31	08Х18Н10	Z7CN18‐09	X5CrNi18-10
SS 304L	1.4306 / 1.4307	S30403	SUS 304L	3304S11	03Х18Н11	Z3CN18‐10	X2CrNi18-9 / X2CrNi19-11

Understanding Alloy 304L Stainless Steel

Alloy 304L is a low-carbon version of the standard 304 stainless steel. Its reduced carbon content helps in minimizing carbide precipitation during welding, which improves performance in corrosive environments. Due to this property, it often eliminates the need for post-weld annealing. Though its mechanical strength is slightly lower compared to the standard grade, it remains highly versatile and is well-suited for various applications.

Type 304L is commonly used in industries such as winemaking, beer brewing, mining, and chemical storage due to its resistance to harsh chemicals and consistent performance.

Manufacturing Process of SS 304/304L Plates

The production of SS 304 and SS 304L plates takes place at a well-equipped facility using the latest machinery and modern technology. High-quality, thoroughly tested raw materials are used for fabrication, ensuring the finished product meets international standards.

Guided by a team of skilled professionals with in-depth knowledge of stainless steel processing, the manufacturing process is optimized to deliver superior outcomes. A dedicated quality control team ensures the adherence to key quality parameters throughout the production, based on both industry norms and quality standards.

Material Testing for Quality Assurance

Before shipment, a series of quality assurance tests are conducted to verify the reliability of the SS plates. The tests include: Positive Material Identification (PMI), flattening test, pitting resistance test, mechanical test, hardness test, chemical composition analysis, intergranular corrosion test, macro test, and micro test. These evaluations ensure only defect-free products reach the customers.

Mill Test Certificates and Documentation

The industry provides Mill Test Certificates (MTC) in accordance with EN 10204/3.1B. Additionally, they offer important certification and documentation such as: 100% radiography test reports, buyer-specific reports, third-party inspection reports, fumigation certificates, raw material test results, laboratory reports, commercial invoices, packaging lists, heat treatment charts, and a comprehensive Quality Assurance Plan (QAP).

Secure Packaging

To ensure safe and timely delivery, SS 304/304L plates are securely packed in wooden crates or pallets. This protective packaging prevents transit damage and helps maintain product quality during transportation.

Specifications

Specifications	ASTM A240 / ASME SA240
Width	1000mm / 1219mm /1250mm / 1500mm / 2000mm
Length	2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm
Thickness	0.1mm to 12 mm Thk
Hardness	Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form	Coils, Foils, Rolls, Plain Sheet, Strip, Flats, Blank (Circle), Ring (Flange) etc.

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 304	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	-	8 – 11	-
SS 304L	0.035 max	2 max	1.0 max	0.045 max	0.03 max	18 – 20	-	8 – 13	-

Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

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SS 304/304L Plates