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RAY STEEL TUBE
STKM11A/A106 Gr.A/St35.8/STKM13A/STKM13B/A106Gr.B/A53.B/1045 (45#)/St52 /16Mn/E355/4130 etc
OD:10-65 mm , Thickness: 1-8 mm
Cold rolled
| Quantity: | |
|---|---|
| Standard | GB / T 3639-2000 |
| Material | 10#, 20#, 35#, 45# |
| Surface treatment | Oiled, phosphate etc |
| Produce OD | 6-65mm |
| Wall Thickness | 1-8mm |
| Delivery condition | BK, BKW, BKS, GBK, NBK |
| Steel Tube Grade | 1010 (10#, STS38,STKM11A,STKM12A,STKM13C, A106 Gr.A,St35.8, St37,St35,E215 etc) 1020 (20#, STPG42,STKM12B,STKM12C,STKM13A,STKM13B,A106Gr.B, A53.B, St45.8,St44, St45, E235 etc) 1045 (45#) |
| Packing Details | 1.Internal wrapped with plastic film. External wrapped with woven bags. 2. wooden boxes to pack. 3. Iron stand. |
| Certification | ISO9001 |
| Length | 1-12m as customer's requestment |
Delivery Condition:
| Delivery Condition | Specification |
| BK ( +C ) | Tubes don't undergo heat treatment following the final cold forming,thus have a rather high resistance to deformation |
| BKW ( +LC ) | The final heat treatment is follwed by cold drawing involving limted deformation. Appopriate further processing allows a certain degree of cold droming( eg: handing expanding) |
| BKS ( +SR ) | Heat treatment is applied following the last cold forming process, subject to appropriate procession conditions, the increate in the residual stresses,involved enables both forming and maching to a certain degress. |
| GBK ( +A ) | The last cold forming process followed by annealing in controlled atmosphere. |
| NBK (+N ) | The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere. |
| Steel Grade | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation |
| Mpa | % | Mpa | % | Mpa | % | Mpa | % | Mpa | % | |
| 10 | 410 | 6 | 375 | 10 | 335 | 12 | 335 | 24 | 335 | 24 |
| 20 | 510 | 5 | 450 | 8 | 430 | 10 | 390 | 20 | 410 | 20 |
| 35 | 590 | 4 | 550 | 6 | 520 | 8 | 510 | 17 | 530 | 17 |
| 45 | 645 | 4 | 630 | 5 | 610 | 7 | 590 | 14 | 600 | 14 |
| Standard | GB / T 3639-2000 |
| Material | 10#, 20#, 35#, 45# |
| Surface treatment | Oiled, phosphate etc |
| Produce OD | 6-65mm |
| Wall Thickness | 1-8mm |
| Delivery condition | BK, BKW, BKS, GBK, NBK |
| Steel Tube Grade | 1010 (10#, STS38,STKM11A,STKM12A,STKM13C, A106 Gr.A,St35.8, St37,St35,E215 etc) 1020 (20#, STPG42,STKM12B,STKM12C,STKM13A,STKM13B,A106Gr.B, A53.B, St45.8,St44, St45, E235 etc) 1045 (45#) |
| Packing Details | 1.Internal wrapped with plastic film. External wrapped with woven bags. 2. wooden boxes to pack. 3. Iron stand. |
| Certification | ISO9001 |
| Length | 1-12m as customer's requestment |
Delivery Condition:
| Delivery Condition | Specification |
| BK ( +C ) | Tubes don't undergo heat treatment following the final cold forming,thus have a rather high resistance to deformation |
| BKW ( +LC ) | The final heat treatment is follwed by cold drawing involving limted deformation. Appopriate further processing allows a certain degree of cold droming( eg: handing expanding) |
| BKS ( +SR ) | Heat treatment is applied following the last cold forming process, subject to appropriate procession conditions, the increate in the residual stresses,involved enables both forming and maching to a certain degress. |
| GBK ( +A ) | The last cold forming process followed by annealing in controlled atmosphere. |
| NBK (+N ) | The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere. |
| Steel Grade | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation | Tensile Strength | Elongtation |
| Mpa | % | Mpa | % | Mpa | % | Mpa | % | Mpa | % | |
| 10 | 410 | 6 | 375 | 10 | 335 | 12 | 335 | 24 | 335 | 24 |
| 20 | 510 | 5 | 450 | 8 | 430 | 10 | 390 | 20 | 410 | 20 |
| 35 | 590 | 4 | 550 | 6 | 520 | 8 | 510 | 17 | 530 | 17 |
| 45 | 645 | 4 | 630 | 5 | 610 | 7 | 590 | 14 | 600 | 14 |
