Jiangsu Hongbao Group Co., Ltd.
| OD Size | 4-219mm |
| Grade | 4130, 4140, 4145 |
| Standard | ASTM, ASME, API |
| Shape | Round |
| Production Process | Cold Rolling |
| Application | Oil Well Drilling |
| Payment Terms | T/T,L/C |
| Supply Ability | 1500 tons/month |
| Delivery Time | 45 - 60 days |
| Packaging Details | Plywood case, wooden box |
| WT Size | 0.5-20mm |
| Brand Name | Hongbao |
| Model Number | HBOWD-1 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| OD Size | 4-219mm | Grade | 4130, 4140, 4145 |
| Standard | ASTM, ASME, API | Shape | Round |
| Production Process | Cold Rolling | Application | Oil Well Drilling |
| Payment Terms | T/T,L/C | Supply Ability | 1500 tons/month |
| Delivery Time | 45 - 60 days | Packaging Details | Plywood case, wooden box |
| WT Size | 0.5-20mm | Brand Name | Hongbao |
| Model Number | HBOWD-1 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | Grade 4130 Chromoly drilling pipe ，high-strength steel oil well pipe ，oil & gas drilling steel pipe | ||
| Specifications | Standards |
|---|---|
| Size | O.D.: 4 to 219mm W. T.: 0.5 to 20mm |
| Specialized in | Large Diameter Size |
| Length | Within 13500mm |
| Type | Seamless |
| Shape | Round |
| End | Plain End, Beveled End, Threaded |
| Element | Content (%) |
|---|---|
| Iron, Fe | 97.03 - 98.22 |
| Chromium, Cr | 0.80 - 1.10 |
| Manganese, Mn | 0.40 - 0.60 |
| Carbon, C | 0.280 - 0.330 |
| Silicon, Si | 0.15 - 0.30 |
| Molybdenum, Mo | 0.15 - 0.25 |
| Sulfur, S | 0.040 |
| Phosphorous, P | 0.035 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 560 MPa | 81200 psi |
| Tensile strength, yield | 460 MPa | 66700 psi |
| Modulus of elasticity | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (Typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (Typical for steel) | 80 GPa | 11600 ksi |
| Poissons ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 21.50% | 21.50% |
| Reduction of area | 59.6 | 59.60% |
| Hardness, Brinell | 217 | 217 |
| Hardness, Knoop (Converted from Brinell hardness) | 240 | 240 |
| Hardness, Rockwell B (Converted from Brinell hardness) | 95 | 95 |
| Hardness, Rockwell C (Converted from Brinell hardness) | 17 | 17 |
| Hardness, Vickers (Converted from Brinell hardness) | 228 | 228 |
| Machinability | 70 | 70 |
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
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