| After-sales Service: | Negotiated |
|---|---|
| Warranty: | One Year |
| Outside Diameter: | 2-8 |
| Thickness: | From 40s to 120s |
| Transport Package: | Export Standard Package |
| Specification: | Thickness: 8 - 25 mm Outer Diameter: 50 - 194 mm |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier Our company has many years of operating history. We constantly expand our business in the domestic and overseas, gradually become important seamless steel tube manufacturer and exporter.
The main products from Ritong Group including:Structural Seamless steel tube,Transmission fluid with seamless steel tube,Oil Casing and Tubing,hydraulic pillar pipe.The products strictly enforce Chinese GB8162, American ASTM, Japanese JIS, Germany DIN. Standard to control production. And we can manufacture outside diameter 25mm to 630mm,Wall thickness 4mm to 50mm seamless pipe.
We can offer you for the following dimensions:
| Advantaged Product Specification | ||||
| English | Chinese | |||
| Outside Diameter | Wall | Outside | Wall | |
| (Inch) | thickness | Diameter | thickness | |
| (Inch) | (mm) | (mm) | ||
| From 2 to 8 | From 40S to 120S | From 50 to 194 | From 8 to 25 | |
| Length | From 6m to 12m in accordance with customers' requirements | |||
| Chinese | American | German | ||
| Material | 10# | ASTM A53-A | St37 DIN1626 | |
| & | ASTM A106-A | St37-2 DIN17175 | ||
| Standard | ASTM A179-C | St35.8 DIN17175 | ||
| Description | ASTM A192 | St35.8 DIN17175 | ||
| 20# | ASTM A53-B | St42-2 DIN1626 | ||
| ASTM A106-B | St45-8 DIN17175 | |||
| ASTM A178-C | St45-4 DIN1629 | |||
| 45# | ASTM A1045 | CK45 | ||
| 16Mn | ASTM A210-C | St52 DIN1629 | ||
| 37Mn5 | J55 | |||
| 27SiMn | ||||
| CrMo | ASTM 4135,4150 | CrMo4 DIN17212 | ||
| 40Cr | ASTM 5140 | 41Cr4 |
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Suppliers with verified business licenses
Audited Supplier 
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