ASTM A582 Free Machining Stainless Steel Round Bars 303 416 420F 430F

Brand Name:Daway
Certification:SGS
Model Number:303 416 420F 430F
Minimum Order Quantity:1 ton
Delivery Time:15 days after receipt 30% of value
Payment Terms:L/C, T/T
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Location: Wuxi Jiangsu China
Address: No.1304-1305, 10 BLDG, No.299, Fangcheng RD, New District, Wuxi, Jiangsu, China 214111
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ASTM A582 Free Machining Stainless Steel Round Bars 303 416 420F 430F


We produce Free machining Stainless steel bars as per ASTM A582 / A582M Standard

Specification for Free-Machining Stainless Steel Bars.


303 is the most common “free-machining” grade using sulphur to produce sulphides allowing easier

chip-breaking during machining.

Applications: Threaded fasteners, shafts, valve bodies, precision measurement devices, pneumatic manifolds.


430F is used where a high level of magnetic permeability is required.

This derives from its fully ferritic structure. Its high level of machinability allows volume throughput of components.

Applications: Magnetic cores, solenoid valves, relays, fuel injection systems, anti-lock braking systems,

electromagnetic pumps.


416 is the most common “free-machining” martensitic grade using sulphur to produce sulphides allowing easier

chip-breaking during machining.

Applications: Shafts, axles, gears, valves, fasteners, golf club heads, sensors, precision machined

components, gun barrels, washing machine parts, dowel pins, clamps, collars.


Type 420F, a free-machining version of Type 420, is a hardenable 12% chrome steel with

higher strength, hardness, and wear resistance than Type 410.


Chemical composition wt%

GradeCSiMnPSCrNiMoSe
3030.151.002.000.200.15 min.17.0~19.08.0~10.0
303Se0.151.002.000.200.0617.0~19.08.0~10.00.15 min
4160.151.001.250.060.15 min12.0~14.0
420F0.30~0.401.001.250.060.15 min12.0~14.00.50
440F0.95~1.201.001.250.060.15 min16.0~18.00.50
430F0.121.001.250.060.15 min16.0~18.0

For Details, please Contact


WUXI GUANGLU Special Steel Co., Ltd.

Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs

Tel: +86 510 81812873

Email: export@guanglusteel.com


China ASTM A582 Free Machining Stainless Steel Round Bars 303 416 420F 430F supplier

ASTM A582 Free Machining Stainless Steel Round Bars 303 416 420F 430F

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