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Steel Round Bar

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Round Bar

Automobile Parts Household Electric Appliance Machine Structural Shaft & Pin Hot Forging Bolt & Nut Spring Bearing Free Machining Tool & steel 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