- SAW,ERW Pipes/Tubes
- Hot Finished Steel Bars
- Cold Finished Steel Bars
- Profile, Shaped
- Q.T.Bars
- Angles,Channels,H-Beams
- Railway Rails
Specifications
Carbon and Alloy Steel
AISI 1006/1010/1017/1018/1020/1025/1038/1045(L)/1050/1060
AISI 1541/4037/4135/4140/5140
AISI 10B21/10B35/15B41/51B20/51B37/51B40
AISI 52100 (Bearing Steel SUJ-2 )
SUH 3 (Heat Resting Steel for Engine Valves)
Free Cutting Carbon Steel
AISI 1212, 1213, 1215, 12L14, 1137, 1141
JIS G 4804 SUM21, 22, 23, 24L, 41, 42
BS 230M07, 210M15, 210A15, DIN 9SMn28, 9SMnPb28
Stainless Steel
SUS 303/304/316(L)/410/416/430
Characteristics
Cold Drawn, Polished, Peeled, Cold Forged, Smooth Turned.
Centerless Ground, Chamfered
Annealed, Hardened & Tempered(ASTM A-193)
Dimensions
| Dia.(mm) | Length(M) | Dia Tolerance | Straightness | Shape |
|---|---|---|---|---|
| 2.0-110.0 | 2.0-7.0 | h7, h8, h9 (*) | 0.5/1,000 | Round, Hexagon, |
| Square & Flat |
Dimensional Tolerances of Cold Finished Steel Bars
| Diameter | h6 | h7(*) | h8 | h9(**) | h10 | h11 | h12 |
|---|---|---|---|---|---|---|---|
| ∼3.000 | 0 -0.006 |
0 -0.010 |
0 -0.014 |
0 -0.025 |
0 -0.040 |
0 -0.060 |
0 -0.10 |
| 3.001∼6.000 | 0 -0.008 |
0 -0.012 |
0 -0.018 |
0 -0.030 |
0 -0.048 |
0 -0.075 |
0 -0.12 |
| 6.001∼10.000 | - | 0 -0.015 |
0 -0.022 |
0 -0.036 |
0 -0.058 |
0 -0.090 |
0 -0.015 |
| 10.001∼18.000 | - | 0 -0.018 |
0 -0.027 |
0 -0.043 |
0 -0.070 |
0 -0.11 |
0 -0.18 |
| 18.001∼30.000 | - | 0 -0.021 |
0 -0.033 |
0 -0.052 |
0 -0.084 |
0 -0.13 |
0 -0.21 |
| 30.001∼50.000 | - | 0 -0.025 |
0 -0.039 |
0 -0.062 |
0 -0.100 |
0 -0.16 |
0 -0.25 |
| 50.001∼80.000 | - | 0 -0.030 |
0 -0.046 |
0 -0.074 |
0 -0.12 |
0 -0.19 |
0 -0.30 |
| 80.001∼120.000 | - | 0 -0.035 |
0 -0.054 |
0 -0.087 |
0 -0.14 |
0 -0.22 |
0 -0.35 |
Remarks
(1) Deviations in diameter or deviations shall be within 30% of the tolerance.
(2) Values given in parentheses are based on JIS B 0401.
* h7 - Cold Drawn + Grinding, Smooth Turning + Grinding
** h9 - Cold Drawn, Polishing, Peeling
Centerless Ground Bars
Guarantee h7 tolerance in diameter, Fine surface with uniform roughness, To be used for the precision components of electrical appliances, automotives, O.A. and optical instruments.
Usually applied for SAE 1018, 1045, 12L14, 1213, 1215