Steel Round Bar

Round Bar

Grade

- Carbon Steel

- Stainless Steel : 304, 304L, 304HC, 304J3, 316, 316L, 316/316L,310S, 303F, 303C, 410, 420J2 420F, 430(F)

- Alloy Steel : SCr, SMn, SCM, SACM SNCM, SNB, 51B20* Pitch Diameter Bar (ASTM A193 B7/B16)

- Spring Steel : SAE9254,SUP-7 50CrV4

- Bearing Steel : SUJ 2(K,F)

- Free Cutting Carbon Steel : SUM21, SUM22, SUM24L, SUM31, POSCUT1A

- Tool Steel : SK, SKH, SKD SKC, SKS, SKT

Range( Spec. & Packing )

- Shape : Rounded, Hexagonal, Square

- Diameter (R) : 2.0 - 32.0mm

- Diameter (Hx) : 4.7 - 24.0mm

- Diameter (Sq.) : 4.7 - 17.0mm

- Length : 2,000 - 8,000mm

- Dia. Tolerance(R) : JIS h9

- Dia. Tolerance(Hx.) : JIS h11

- Dia. Tolerance(Sq.) : JIS h10

- Roundness : Less than 30% of diameter tolerance

- Length Tolerance : -0, +40mm

- Straightness : 0.2mm/M Max.

- Surface Condition : Bright/Defect Free

- Spec : ASTM A193/276/479 A320/582, JIS G 4303/4318/3123,KS D 3692/3706/3561

Diameter Tolerance

Diameter (mm)	Grade 6(h6)	Grade 7(h7)	Grade 8(h8)	Grade 9(h9)	Grade 10(h10)	Grade 11(h11)
3.01 ~ 6.00	+0 / -0.008	+0 / -0.012	+0 / -0.018	+0 / -0.030	+0 / -0.048	+0 / -0.075
6.01 ~ 10.00	-	+0 / -0.015	+0 / -0.022	+0 / -0.036	+0 / -0.058	+0 / -0.090
10.01 ~ 18.00	-	+0 / -0.018	+0 / -0.027	+0 / -0.043	+0 / -0.070	+0 / -0.11
18.01 ~ 30.00	-	+0 / -0.021	+0 / -0.033	+0 / -0.052	+0 / -0.084	+0 / -0.13
30.01 ~ 50.00	-	+0 / -0.025	+0 / -0.039	+0 / -0.062	+ / -0.0100	+0 / -0.16