Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45-60 days |
| Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519, GB/T 9808 |
| Grade | AISI 4130, AISI 4140 |
| OD Size | 4-219mm |
| WT Size | 0.5-20mm |
| Shape | Round |
| Production Process | Cold Drawn |
| Application | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc. |
| Brand Name | Hongbao |
| Model Number | HBOWD-1 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000 tons/month |
| Delivery Time | 45-60 days | Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519, GB/T 9808 | Grade | AISI 4130, AISI 4140 |
| OD Size | 4-219mm | WT Size | 0.5-20mm |
| Shape | Round | Production Process | Cold Drawn |
| Application | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc. | Brand Name | Hongbao |
| Model Number | HBOWD-1 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | AISI 4130 oil well drill pipe ，seamless alloy steel casing pipe ，oil well pipe with warranty | ||
Our AISI 4130 (30CrMo) seamless alloy steel pipes are engineered to meet the rigorous demands of oil and gas drilling operations. Manufactured in strict compliance with GB/T 9808 and ASTM A519 standards, these pipes deliver exceptional strength, toughness, and fatigue resistance, making them ideal for critical applications such as drill pipes, casings, and tool joints.
With precise chemical composition control and advanced heat treatment processes, our pipes ensure superior microstructural integrity, low residual stresses, and high dimensional accuracy. They are rigorously tested for non-destructive quality assurance, guaranteeing reliability in the most challenging downhole environments.
| Parameter | Details |
|---|---|
| Material Grade | 30CrMo (AISI 4130) |
| Standard | GB/T 9808, ASTM A519 |
| Outer Diameter (OD) | 4-219 mm |
| Wall Thickness (WT) | 0.5-20 mm |
| Surface Treatment | Black painting, anti-rust oil, or as customer's requirements |
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | ≤0.040 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.040 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
| Steel Grade | Deliver Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|---|
| 4130 | + SR | ≥813 | ≥690 | ≥15% | ≥24 |
| 4140 | QT | ≥950 | ≥850 | ≥14% | 28 - 33 |
Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc.
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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