Round Bar

&nbsp&nbspDescription

Round Bar can save raw material, increase the utilization rate of material and can be delivered with coils or strips, which increasing the productivity of downstream procedures and facilitating the automated industrial production.

Round Bar

Stainless steel bar is the most essential players in the machining industry. Stainless steel bars applications and utilizations rely on the kind of required and come in different forms as well, such as flat bars, round bars, hexagonal bars, square bars. This is why stainless steel bars are chosen to create machine parts and automotive components.

– Machine parts
– Automotive industries

303/303Cu— Aircraft parts and parts requiring machining, grinding or polishing with good corrosion resistance. Excellent for moving parts and where low magnetic permeability is required.

304/304L—Dairy, beverage and food product handling/processing equipment. Used for handling acetic, citric, and citric acids; organic and inorganic chemicals, dye stuff, crude and refined oils; instruments; hospital equipment; applications requiring welding.

316/316L—Pump shafts and parts in machinery used to process paper, textiles, chemicals and pharmaceuticals. In aircraft applications, used for parts requiring low magnetic permeability and good corrosion resistance.

416—Pump shafts and parts in machinery used in or around fresh water, food acids, and neutral and basic salts.

440C—Bearings, Nozzles, Pump parts , Mold inserts, Knives, Surgical tools.

Standard: ASTM A276, A479, A484, A564, A582, A638, etc.

Dimensional tolerances for bar
Round			Square	Hexagonal
Precision Ground.	Cold Drawn.	Cold Finished/Smooth Turned.
H8 or H9.	H9.	H10.	H11.	H11

Surface finish
CD	Cold Drawn.	P	Polished.
BD	Bright Drawn.	SRE	Slit Rolled Edge.
CG	Centreless Ground.	HF	Hot Finished.
CF	Cold Finished.	HRAP	Hot Rolled Annealed and Pickled.
P&T	Peeled and Turned.	RT	Rough Turned/Peeled.
ST	Smooth Turned.	PR	Peeled and Reeled.

Mechanical Property Test Requirements After Hardening Treatment within Affective Time
Grade	Condition	Temperature °C	Time	Cooling	Tensile Strength (min) MPa	Yield Strength (min) MPa	Elongation (min) %	Reduction of Area (min) %	Hardness G		ImpactV min
									HRC (min)	HB (min)	ft.lbf	J
630	H900	480	1	Air	1310	1170	10	40	40	388	一	一
								35
	H925	495	4	Air	1170	1070	10	44	38	375	5	6.8
								38
	H1025	550	4	Air	1070	1000	12	45	35	331	15	20
	H1075	580	4	Air	1000	860	13	45	32	311	20	27
	H1100	595	4	Air	965	795	14	45	31	302	25	34
	H1150	620	4	Air	930	725	16	50	28	277	30	41
	H150M	760+620	2+4	Air	795	520	18	55	24	255	55	75
	H1150D	620+620	2+4	Air	860	725	16	50	24	255	30	41

Diameter: 2.0-14.0mm for Cold Grinding Bar;
1.0-25.0mm for Cold Drawn Bar;
Length: 3.5 meter MAX. for Cold Grinding Bar; 5.0 meter MAX. for Cold Drawn Bar
Steel grade: 303, 316F, 416, 420, 420F, 430F, 431, 329, 630, 631, 2205, 2207, F51, F60, 329J1, etc.

Diameter: 5.0-30.0mm Cold Grinding Bar
Length: 2.5-3.0 meter
Steel Grade: 55SiCrA, 50CrVA, 51CrV, 42CrMo, 38CrMoAl, SAE1144, 440Cr, 45#, S45C, 20#, 1.4057, etc.

Grade	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	Others
303	≤0.15	≤1.0	≤2.0	0.03	≥0.15	8.0-10.0	17-19
303F	≤0.15	≤1.0	≤2.0	0.03	≥0.25	8.0-10.0	17-19
303CU	≤0.15	≤1.0	≤2.0	0.03	≥0.15	8.0-10.0	17-19		1.00-2.00
303B	≤0.15	≤1.0	≤9.0	0.03	≥0.15	3.5-4.5	13.5-14.5		1.00-2.00
303C	≤0.15	≤1.0	≤14.0	0.03	≥0.15	0.5-2	13.0-14.0		1.00-2.00
316F	≤0.08	≤1.0	≤2.0	0.045	≥0.15	10-14	16.0-18.0	2.0-3.0
416	≤0.15	≤1.0	≤1.0	0.06	≥0.15	≤0.6	12.0-14.0
420F	0.26-0.4	≤1.0	≤1.25	0.06	≥0.15	≤0.6	12.0-14.0
430F	≤0.12	≤1.0	≤1.25	0.06	≥0.15		16.0-17.0
2205	≤0.03	≤1.00	≤2.00	≤0.03	≤0.02	4.50-6.50	21.0-23.0	2.50-3.50		N: 0.08-0.20
2507	≤0.03	≤1.00	≤2.00	≤0.03	≤0.02	6.00-8.00	24.0-26.0	3.00-5.00		N: 0.24-0.32
431	0.11-0.17	≤1.00	≤1.00	≤0.04	≤0.03	1.25-2.50	15.0-17.0	–
329	≤0.08	≤0.75	≤1.00	≤0.04	≤0.04	2.00-2.50	23.0-28.0	1.00-2.00
630	≤0.07	≤1.00	≤1.00	0.04	0.03	3.00-5.00	15.0-17.5		3.00-5.00	Nb:0.15-0.45
631	≤0.09	≤1.00	≤1.00	0.035	0.03	16.00-18.00	6.50-7.75		≤0.50	Al: 0.75-1.50

Schedule a free business consultation

Address

No. 360, Lvgu Avenue, Shuige Industrial Zone,
Lishui, Zhejiang 323000, China

Phone

+86 578 2866696

[email protected] [email protected]

[contact-form-7 id='7475']