Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 3000MT/Month |
| Delivery Time | Negotiable |
| Packaging Details | As required |
| Steel Grade | 30CrMo, 42CrMo, 30CrMnSiA, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541 |
| Execution Standard | ASTM A519, DIN2391, EN10305-1, GB/T 9808 |
| OD Range | 30-139.7mm |
| WT Range | 3-19mm |
| Processing | Cold Roll, Cold Drawn |
| Color | Black |
| Brand Name | HONGBAO |
| Model Number | HG-OP |
| Certification | PED, ISO9001,DNV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 3000MT/Month |
| Delivery Time | Negotiable | Packaging Details | As required |
| Steel Grade | 30CrMo, 42CrMo, 30CrMnSiA, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541 | Execution Standard | ASTM A519, DIN2391, EN10305-1, GB/T 9808 |
| OD Range | 30-139.7mm | WT Range | 3-19mm |
| Processing | Cold Roll, Cold Drawn | Color | Black |
| Brand Name | HONGBAO | Model Number | HG-OP |
| Certification | PED, ISO9001,DNV | Place of Origin | China |
| High Light | GB/T 9808 oil drilling pipe ，1541 steel drill rod tube ，high straightness oil well pipe | ||
Need a reliable, budget-friendly drilling pipe for standard wells? 1541 grade is your go-to solution.
Applications include mine blasting, water well drilling, geothermal well drilling, fore poling (advance support), and coal and nonferrous metal mining.
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | B |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| 45MnMoB | 0.43-0.48 | 0.17-0.37 | 1.05-1.35 | ≤0.020 | ≤0.015 | 0.20-0.25 | 0.001-0.005 | |
| 1541 | 0.36-0.44 | - | 1.35-1.65 | ≤0.040 | ≤0.050 | |||
| 30CrMnSiA | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | ≤0.020 | ≤0.015 | 0.80-1.10 |
| 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 |
| 45MnMoB | + N | ≥790 | ≥600 | ≥14% | - |
| 1541 | + SR | ≥813 | ≥690 | ≥15% | ≥24 |
| 30CrMnSiA | QT | ≥850 | ≥750 | ≥14% | 26 - 31 |
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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