Product Description

ASTM Ss Round Bar ( 304 / 316L / 321 / 904L)
1. Item: 304 SS Round bar, 321 ss round bar, 201 ss round bar, 904l ss round bar
2. Standard: AISI, ASTM, EN, JIS, DIN, GB
3. Diameter: 12.0mm-480mm
4. Length: 4000mm-12000mm, or as your order.
5. Quality: NO. 1
6. Surface: Black/Polished/Bright
7. Shipment: Within 15-20 working days after receipt of the down payment or Irrevocable L/C sight.
8. Certificate: ISO, SGS, and third part inspection.
9. Capacity: 500 metric tons per month.
10. Payment: By L/C at sight, 100% by TT.

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Name	ASTM   Ss Round Bar ( 304 / 201 / 321 / 904L)
Standard	ASTM  A554,   A312,   A249,   A269  and  A270
Material  Grade	304, 316, 201, 202,   316L, 430
Size  Range	diameter; 8-200mm
Length	6m  or  as  customers'   request
Tolerance
	+/-0.   15mm
Surface	180G,   320G,   400G  Satin  /  Hairline(Matt  Finish,   Brush,   Dull  Finish) 400G,   500G,   600G  or  800G  Mirror  finish
Application	Ornamental  ,   Decoration  construction,   upholstery,   industry  instruments
Test	Squash  test,   Extended  test,   Water  pressure  test,   Crystal  rot  test,   Heat  treatment,   NDT
Chemical  Composition  of  Material	Composition         Material	201	202	304	316	430
	C	≤ 0.15	≤ 0.15	≤ 0.08	≤ 0.08	≤ 0.12
	Si	≤ 1.00	≤ 1.00	≤ 1.00	≤ 1.00	≤ 1.00
	Mn	5.5-7.5	7.5-10	≤ 2.00	≤ 2.00	≤ 1.00
	P	≤ 0.06	≤ 0.06	≤ 0.045	≤ 0.045	≤ 0.040
	S	≤ 0.03	≤ 0.03	≤ 0.030	≤ 0.030	≤ 0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	Ni	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical  Property	Material  Item		201	202	304	316
	Tensile  Strength		≥ 535	≥ 520	≥ 520	≥ 520
	Yield  Strength		≥ 245	≥ 205	≥ 205	≥ 205
	Extension		≥ 30%	≥ 30%	≥ 35%	≥ 35%
	Hardness  (HV)		< 253	< 253	< 200	< 200