Customization: | Available |
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Type: | Seamless |
Technique: | Hot Rolled |
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Material |
Q195 → Grade B, SS330,SPHC, S185(mild steel) Q215 → Grade C,CS Type B,SS330, SPHC(mild steel) Q235 → Grade D,SS400,S235JR,S235JO,S235J2(mild steel) Q345 → SS500,ST52 |
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Standard |
GB/T14975, GB/T14976, GB13296-91, GB9948 ,ASTM A312, ASTM A213, EN10216-5, ASTM A269, ASTM A511,JIS349,DIN17456, ASTM A789, ASTM A790 DIN17456,DIN17458, JIS3459,GOST 9941-81 | |
Surface treatment |
1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating |
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Ends |
1) Plain 2) Beveled 3) Thread with Coupling or cap |
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Section shape | Round, square or rectangular | |
Application | Widely used in Structure, Accessorize,Construction, Fluid transportation,machinery parts,the stress parts of the automobile tractor parts,etc. |
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End protector | With plastic caps or not | |
Welded Line Type | Longitudinal |
Processing the form | Cylinder diameter | Length | Straightness | Dimensional accuracy | Wall thickness | Inner hole roughness |
cold drawn | 48~325 | ≤ 12m | 0.3~0.8mm/m | ±10% | 0.8~1.6µm | |
honing | 48~325 | ≤10m | 0.3~0.8mm/m | H8~H9 | ±10% | 0.3~0.8µm |
rolling | 50~250 | ≤ 9m | 0.3~0.8mm/m | H7~H9 | ±10% | 0.01µm |