Stainless steel square bar bars

Stainless steel square bars are square cross-section bars made of stainless steel and belong to the category of steel materials. The main materials include 200 series (chromium-nickel-manganese austenite), 300 series (chromium-nickel-austenite) and 400 series (ferrite/martensite) stainless steel, among which 304, 316L and other models achieve corrosion resistance, high temperature resistance and high strength through low-carbon design (such as the suffix “L”) or alloy composition adjustment. Product specifications range from 3×3 to 120×120 mm, with bright surface and black leather surface. The production process includes hot rolling, cold drawing, forging, etc., which meets ASTM, GB/T and other standards.

Material and corrosion resistance
Stainless steel square steel is made of 200 series, 300 series or 400 series stainless steel, with a chromium content of at least 10.5%. Some models add elements such as nickel and molybdenum to improve corrosion resistance, especially suitable for humid or chemical corrosion environments. ‌

Mechanical properties
Tensile strength ranges from 310-635MPa, and the temperature range can reach -196℃~800℃. Some models (such as 303, 304F) add sulfur to improve machinability, which is suitable for precision parts processing. ‌

Application scenarios
Widely used in machinery manufacturing, petrochemicals, medical equipment, building bridges and rail transportation, etc., replacing traditional welding with modular connection design to improve assembly efficiency and structural stability.

 

 

Product   Name Barra de acero inoxidable
Estándar ASTM,JIS,DIN,GB,AISI,DIN,EN
Material 201, 202, 301, 301L, 304, 304L, 316, 316L, 321, 310S, 904L, 410, 420J2, 430, 2205, 2507, 321H, 347, 347H, 403, 405, 409, 420, 430, 631, 904L, 305, 301L, 317, 317L, 309, 309S 310
Técnica Estirado en frío, Laminado en caliente, Laminado en frío y Otros.
Diameter 6-12 mm o personalizable
Longitud 1000 – 6000mm or Customizable
Tratamiento de superficies BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D
Origen China
Código SA 7220204000
Plazo de entrega {Tiempo de entrega}
Servicio posventa 24 horas en línea
Capacidad de producción {Capacidad de producción}
Condiciones de precio EXW, FOB, CIF, CRF, CNF or   others
Puerto de carga {Puerto}
Plazo de pago TT, LC, Cash, Paypal, DP, DA,   Western Union or Others.
Aplicación 1. Vajilla, armarios, tuberías interiores, calentadores de agua, calderas, bañeras
2. Piezas de automóvil
3. Equipamiento médico, materiales de construcción, productos químicos, industria alimentaria, agricultura, componentes navales, etc.
Embalaje Paquete, bolsa de PVC, cinturón de nylon, atadura de cables, paquete marítimo de exportación estándar o como petición.
Servicio de tramitación Doblado, soldadura, desbobinado, punzonado, corte y otros.
Tolerancia ±1%
MOQ {MOQ}

Composición del acero inoxidable

El acero es una aleación de hierro y carbono. Los aceros inoxidables son aceros que contienen al menos 10,5% de cromo, menos de 1,2% de carbono y otros elementos de aleación. La resistencia a la corrosión del acero inoxidable y

Las propiedades mecánicas pueden mejorarse aún más añadiendo otros elementos, como níquel, molibdeno, titanio, niobio, manganeso, etc.

Grado C Si Mn P S Cr Ni Mo N Cu
201 ≤0.15 ≤0.75 5.5~7.5 ≤0.060 ≤0.03 16.00~18.00 3.5~5.5 0.08
202 ≤0.15 ≤1.00 7.5~10.00 ≤0.060 ≤0.03 17.00~19.00 4.0~6.0 ≤0.25
301 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 6.00~8.00
302 ≤0.15 ≤1.00 ≤2.00 ≤0.035 ≤0.03 17.00~19.00 8.00~10.00
304 ≤0.07 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00~20.00 8.00~10.50
304L ≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00~20.00 9.00~13.00
310S ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 24.00~26.00 19.00~22.00
316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 10.00~14.00 2.00~3.00
316L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16.00~18.00 12.00~15.00 2.00~3.00
321 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00~19.00 9.00~13.00
430 ≤0.12 ≤0.75 ≤1.00 ≤0.040 ≤0.03 16.00~18.00
2205 ≤0.03 ≤1.00 ≤2.00 ≤0.030 ≤0.015 22.00~23.00 4.5~6.5 2.5~3.5
2507 ≤0.03 ≤0.08 ≤1.20 ≤0.035 ≤0.015 24.00~26.00 6.00~8.00 3.0~5.0
904L ≤0.02 ≤1.00 ≤2.00 ≤0.045 ≤0.035 19.00~23.00 23.00~28.00 4.0~5.0 1.0~2.0
INCONEL028 ≤0.03 ≤1.00 ≤2.50 ≤0.030 ≤0.030 ≤28.0 ≤34.0 ≤4.0 ≤1.4
MONEL400 ≤0.30 ≤0.5 ≤2.00 ≤0.024 ≥63.0 ≤34.0
INCONEL800 ≤0.10 ≤1.00 ≤1.50 ≤0.015 ≤23.0 ≤35 4.0~5.0 ≤0.75
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