Name: Stainless Steel Fine Bar
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Stainless Steel Fine Bar

Stainless steel fine bar refers to ultra-precision tiny solid round rod finished via multi-pass cold drawing, featuring ultra-tight diameter tolerance and smooth surface finish. Our factory supplies full grade fine bars for precision micro-component manufacturing, supporting bulk container wholesale and customized cutting for global precision hardware workshops.

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Product Name	Stainless Steel Fine Bar
Standard	ASTM A276, ASTM A555, EN 10131
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
Technique	Cold drawn, Hot rolled, Cold rolled and Others.
Common Size Specs	Regular fine diameters: 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0 Top popular sizes: 2.0mm, 3.0mm, 4.0mm Standard length: 3000mm / 6000mm; ultra-short customized cutting available Production craft: Multi-pass cold drawn precision fine bar
Surface Treatment	Bright Drawn Finish; Pickled Matte Finish; Polished Bright Finish; Thin anti-rust oil coating
Available Material Tempers	Fully Annealed Soft Temper: Superior ductility for bending, threading and micro stamping Half Hard Cold Drawn Temper: Moderate rigidity for straight pin and shaft production
Origin	China
Price Terms	EXW, FOB, CIF, CRF, CNF or others
Payment Term	TT, LC, Cash, Paypal, DP, DA, Western Union or Others.
Packaging	Bundle, PVC Bag, Nylon Belt, Cable Tie, Standard export seaworthy package or as Request.
Processing Service	Bending, Welding, Decoiling, Punching, Cutting and Others.
Tolerance	±1%
MOQ	5 tons
Exported to	Vietnam & Thailand; Poland & Czech Republic; Turkey
Core Strengths	Ultra-precise micron-level dimensional tolerance, stable roundness without oval deformation Mirror smooth drawn surface with minimal burrs, greatly reduces polishing processing workload Excellent ductility and rust-proof property, easy turning, stamping and bending for micro parts Consistent internal metallurgical structure, no brittle spots to guarantee stable finished product yield Complete tiny size range to cover miniature machining demands for fine manufacturing industries
Main Applications	Electronic industry: Micro pins, sensor terminals, miniature connector core components Medical hardware: Surgical instrument blanks, tiny implant fittings and dental accessories Precision hardware: Watch internal parts, miniature spring raw material, small mold pins Instrumentation: Gauge internal shafts, miniature valve cores and precision mechanical fittings

Haiwo steel group is professional stainless bar suppliers from China, supplies premium steel products at competitive price, inquire us now!

Composition of Stainless Steel

Steel is an alloy of iron and carbon. Stainless steels are steels containing at least 10.5% chromium, less than 1.2% carbon and other alloying elements. Stainless steel’s corrosion resistance and

mechanical properties can be further enhanced by adding other elements, such as nickel, molybdenum, titanium, niobium, manganese, etc.

Grade	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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