Import 304 Bright Stainless Steel Round Bar — Buy in wholesale FOB from Supplier in China

Jiangsu Steel Group Co., Ltd. supplies 304 bright stainless steel round bar in austenitic chromium-nickel grade, available in lengths from 2000 mm to 6000 mm with customised diameter, width, and thickness configurations per order. The bright finish denotes cold-drawn or cold-turned surface with improved dimensional accuracy and smoothness compared to hot-rolled black bar, reducing machining allowance for precision components. Material specification covers 200, 300, and 400 series upon request, though the listed product centres on 304 grade with its balance of corrosion resistance, formability, and mechanical strength. The supplier notes certificate availability including BV, SGS, and ISO, though buyers should verify current certification scope and validity directly. Standard lengths of 2000-6000 mm suit general fabrication, with cut-to-length service available for reduced waste in high-volume production. Surface condition options include ordinary industrial surface or customised finish, requiring clarification of Ra values and turning/drawing method for specific engineering requirements.

The 304 grade (UNS S30400) contains nominally 18% chromium and 8% nickel, with carbon limited to 0.08% maximum in standard grade and 0.03% maximum in 304L variant for improved weldability. Bright finishing typically involves cold drawing through carbide dies or precision turning, achieving h9-h11 diameter tolerance and surface roughness of 1.6-3.2 micrometres Ra depending on process route. Mechanical properties in the cold-finished condition exceed hot-finished equivalents: typical yield strength 275-350 MPa, tensile strength 520-750 MPa, with reduced elongation compared to annealed material due to work hardening. The austenitic structure provides excellent toughness down to cryogenic temperatures and good resistance to intergranular corrosion in the as-supplied condition, though welding may sensitise standard 304 unless stabilised (304Ti) or low-carbon (304L) variants are specified. For architectural and decorative applications, the bright surface accepts passivation to enhance corrosion resistance and maintain aesthetic appearance. Machinability rates at approximately 45% relative to free-machining steel, with chip control improved through optimised cutting speeds and positive-rake tooling.

Primary applications span construction and architectural elements (handrails, balustrades, structural supports), food processing and pharmaceutical equipment (shafts, agitators, conveyor rollers), marine hardware (fasteners, pins, hinge components), and general manufacturing (pump shafts, valve stems, instrument parts). The supplier's lead time indication of 3-15 days after deposit suggests standard mill product or trading stock rather than custom melting, though confirmation is advisable. Payment terms stated as T/T or L/C offer flexibility, with letter of credit providing greater security for initial transactions. Packaging and shipment details require specification: bright round bar typically ships in bundles with steel strapping, wooden crates for precision ground product, or loose for large diameter cut lengths. Importers should confirm Incoterms, as CIF, CFR, or FOB Shanghai/Ningbo are common for Chinese stainless steel exports, with sea freight duration dependent on destination port and container availability.

Jiangsu Steel Group Co., Ltd. operates from its registered address at 10/F, No. 257 Siping Road, Hongkou District, Shanghai 200080, positioning the company within China's primary commercial and shipping hub. The supplier's imported tier classification indicates a trading or mixed supply model, potentially sourcing from multiple mills rather than single-factory production. Profile data shows harbor trust level with zero percent response rate and no recorded response time metrics, signalling potential communication challenges that buyers should address proactively through multiple contact attempts. The company markets across 200, 300, and 400 series stainless steel products, suggesting broad inventory or sourcing relationships rather than specialisation in a single grade or form.

No manufacturing facility location, production capacity, employee count, or annual revenue figures are disclosed in available profile information. The stated certificates (BV, SGS, ISO) require verification of scope, issue dates, and accredited bodies, as certificate claims without supporting documentation are common in intermediary trading. Buyers should request direct factory identification for quality traceability, particularly given the Shanghai commercial address that may represent sales office rather than production site. The supplier's mention of custom dimensions and multiple standards (GB through JIS) implies flexibility in sourcing, but also necessitates clear technical specifications in purchase orders to prevent grade or standard misalignment. Due diligence should include reference checks with previous international buyers and verification of export licence status for stainless steel products from China.