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Specifications
1. ASTM A 106 GR.B, API 5L GR.B2. OD: 32-406mm WT: 3.5-50mm
3. ISO9001-2008 API Certificiate
Astm a106 Gr.B honed steel tube
Commodity name: Astm a106 Gr.B honed steel tube S20C 1020 GB20
1. ASTM A 106 GR.B, API 5L GR.B
2. OD: 32-406mm WT: 3.5-50mm
3. API certificae, ISO9001-2009
4. Ex to India, Vietnam,tur
Pipe Size | 32-406mm |
Wall Thickness | 3.5-50mm |
Length | Random length: 5-12m |
Standard | ASTM A53,A106,API 5L DIN1626,DIN1629,DIN17175,DIN 2448 JIS G3452,JIS G3454,JIS G3455,JIS G3456,JIS G3457,JIS G3461 |
Material | Q235, 20#, Q345 A53B, A106B, API 5L ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4 STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49 |
Application | Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure, petrochemical, pharmaceutical industry |
Surface | Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,etc. |
Package | Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request |
Certificate | API, ISO9001:2008 |
Capacity | 50000tons/year |
Advantages | 1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service |
We also Supply cold drawn tube, Honed tube SRB tube, Hydraulic tube, with best quality
1.Grade: 20#(ck20,aisi1020),45#(ck45,aisi1045),st52(Q345D,16Mn),25Mn,27SiMn
2.ID:30-250mm
3.ID tolerance:H8,H9
4.Surface roughness:Ra 0.02— 0.4μm
5. Final supply condition:cold drawn and stress-relieved(BK+S)
6. Machining allowance:0.5-1.5mm
7.Wall thickness:10%×ID
Variety
Processing | Cylinder Diameter | Straightness | Size Accuracy | W.T/mm | Inner Bore Roughess |
Cold drawn/ Cold rolled | ID30-250 | 0.3 | H9-H11 | ±10% | 0.4~1.6um |
Honed tube | ID50-250 | 0.3 | H7-H9 | ±10% | <0.4um |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
Dimension tolerance
ID size | ID deviation (mm) | |||
H7 | H8 | H9 | H10 | |
30 | +0.021 0 | +0.033 0 | +0.052 0 | +0.084 0 |
>30~50 | +0.025 0 | +0.039 0 | +0.062 0 | +0.100 0 |
>50~80 | +0.030 0 | +0.046 0 | +0.074 0 | +0.120 0 |
>80~120 | +0.035 0 | +0.054 0 | +0.087 0 | +0.140 0 |
>120~180 | +0.040 0
| +0.063 0 | +0.100 0 | +0.160 0 |
>180~250 | +0.046 0 | +0.072 0 | +0.115 0 | +0.185 0 |
>250~315 | +0.052 0 | +0.081 0 | +0.130 0 | +0.210 0 |
>315~400 | +0.0527 0 | +0.089 0 | +0.140 0 | +0.230 |
Delivey conditions:
- Standard packing with plastic caps and strapped bundles.
- Commercial length 2000~10500mm,custom lengths upon request
- Surface protection
We can supply cold drawn/cold rolled seamless tube,honed tube,hydraulic tube,please feel free to contact us.
Hot rolled process
Cold drawn process
Any need or intrest, please feel free to contact us!
Send Inquiry to This Supplier
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