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316LMod Urea Grade Stainless Steel Round Bar Hot Rolled Diameter 6-250mm for Urea Plant Applications

Certificação	ISO, RoHS, ASTM, EN, JIS
Quantidade de ordem mínima	1 tonelada
Preço	US $4,000-5,000 / T

Detalhes do produto

Modelo NÃO.	316LMOD	Forma	Redondo
Técnica	Laminado a quente	Tratamento de superfície	conservação em vinagre
Comprimento	6m ou cortando qualquer comprimento conforme solicitação	Diâmetro	6 - 250mm
Tipo de produtos	Estirado a frio, laminado a alta temperatura, forjado	Superfície	brilhante, preto
Composição Química	C: ≤0,03%, Mn: 1-2%, P: ≤0,04%, S: ≤0,03%, Si: ≤0,5%, Cr: 17-18,5%, Ni: 13-15%, Mo: 2,2-3%, N: ≤0,22	Resistência à tracção	≥490Mpa
Força de rendimento	≥ 190 MPa	% de alongamento	≥35%
Densidade	70,9 kg/dm3	Dureza	≤90HRB
Nível de ferrita	<0,5%
Destacar	Urea Grade Stainless Steel Bar , Hot Rolled 316LMod Stainless Steel Round Bar , Diameter 6-250mm Stainless Steel Bar

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Descrição de produto

316LMod Stainless Steel Round Bar - Urea Grade

High Quality 316LMod Stainless Steel Round Bar specifically engineered for urea plant applications. Available in diameters from 6mm to 250mm as hot rolled or forged stainless steel bars.

Product Overview

UREA 316L Modified grade has been specially developed for urea plant applications. This 316L modified stainless steel features extra-low silicon content and substantially higher molybdenum contents for superior performance in demanding environments.

The low carbon content, combined with well-balanced chemistry (low silicon and nickel content close to 14%) makes the alloy fully austenitic and free of intermetallic phase precipitations. The ferrite level is maintained under 0.5% in solution annealing and water quenched conditions.

This alloy is specifically designed for improved corrosion resistance properties in urea-carbonate environments, making it ideal for industrial applications requiring exceptional durability.

Product Specifications

Product Name	316LMod Stainless Steel Round Bar
Diameter Range	6 - 250mm
Standard Length	6m or custom cutting available
Manufacturing Process	Cold drawn, hot rolled, forged
Surface Finish	Bright, black
Available Grades	201, 202, 301, 303, 304L, 304, 309S, 310S, 316L, 316Ti, 316LMod, 317L, 321, 347, 410, 420, 430, 431, 434, 440A/B/C, 2205, 2507, 904L, 254SMO, 253MA
Minimum Order Quantity	500 kgs
Delivery Time	5-12 days for standard sizes
Packing	Wooden box or custom packaging

Chemical Composition

Element	Min (%)	Max (%)
C	-	0.03
Mn	1	2
P	-	0.04
S	-	0.03
Si	-	0.5
Cr	17	18.5
Ni	13	15
Mo	2.2	3
N	-	0.22
Fe	Balance

Mechanical Properties

Property	Min	Max
Tensile Strength	490 MPa	-
Yield Strength	190 MPa	-
Elongation	35%	-
Hardness	-	90 HRB
Density	7.9 kg/dm³

Grade Specifications

EN 10088 / EN 10028: X2 Cr Ni Mo 18-14-3 - 1.4435
AFNOR: Z3 CND 18.14.03
DIN: W.Nr 1.4435
ASTM: 316L modified

Manufacturing Processes

Hot Forming

Hot forming should be carried out in a temperature range of 1200-950°C (2732-1742°F) after uniform heat treatment. Final full annealing temperature is required at 1120-1180°C (2048-2156°F) followed by water quenching to obtain the requested microstructure.

Cold Forming

Due to its fully austenitic microstructure, the alloy can be cold formed without problems. The higher molybdenum content and cold hardening behavior may require more powerful equipment than standard 304 stainless steel.

Pickling

UREA Modified grade must be used in as-pickled and passivated conditions. Pickling treatment can be performed with nitro-hydrofluoric acid bath or H2SO4-HF pickling bath at specified temperatures and durations.

Welding

Alloy UREA Modified can be welded with most processes including TIG, Plasma, MIG, SMAW, SAW, or FCAW. The alloy is sensitive to hot cracking due to its fully austenitic microstructure. Use basic coated electrodes or fluxes, limit heat input to 1.5 kJ/mm, and maintain interpass temperature below 150°C (302°F).

Corrosion Performance

Typical corrosion test results in Huey test solution (ASTM A262-C) show maximum weight loss of 3.3 m/48h - 0.54 g/m h with selective attack lower than 200 m.

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316LMod Urea Grade Stainless Steel Round Bar Hot Rolled Diameter 6-250mm for Urea Plant Applications

Urea Grade Stainless Steel Bar

Hot Rolled 316LMod Stainless Steel Round Bar

Diameter 6-250mm Stainless Steel Bar