Home > Products > Structure Pipe > Offer Quantity Seamless HF Tube Grade St52.3 With High Quanlity
Offer Quantity Seamless HF Tube Grade St52.3 With High Quanlity
- tianjin
- T/T
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Product Details
| Thickness | 4, 70 | Section Shape | Round | |
| Outer Diameter | 25 - 356 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Structure Pipe | |
| Technique | Hot Rolled | Certification | API | |
| Surface Treatment | Copper Coated | Special Pipe | API Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
Specifications
OD:25-356mmWT:4-70mm
length:4-12m
standard:ASTM,JIS,GB,ect.
main markets:south america,Estern europe,southeast Asica,ect.
Seamless HF tube Grade St52.3 Spec Protocol for ARTIGIANTUBI
1) Chemistry(%):
C | Si | Mn | P | S | Cr | Ni | Cu | V |
≤0.22 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.20 | ≤0.30 | 0.05-0.09 |
2)
Process: EAF + LF(VD) + HOT TUBING + SURFACE INSPECTION + PACKAGE
3) The tolerance data above mentioned should be determined based on the nominal dimension. 4) Straightness:
Max 4mm over 1000mm for OD<φ180mm, and max 5mm over 1000mm for OD>φ180mm.
5)
General Porosity≤2.5 level, Center Porosity≤2.5 level, Segregation≤2.5 level.
6) Mechanical properties (as hot rolled finished):
STEEL GRADE | Yield Strengt | Tensile Strength | Elongation | Charpy (V) Impact Test | Hardness |
ST52.3 | Rp0.2(Mpa) | Rm(MPa) | A(%) | J (-20°C) | BHN/HBW |
≥330 | ≤700 | ≥20 | ≥27 | 149—192 |
NOTE:For WT≤8mm tube impact test, only the calculation value of it should be accepted for reference, which will not be supposed as one of delivery prerequisite.
7) Surface of the material should be free of defects such as cracks, overlapping, bubble, scabs, skin slag etc.. Other defects with the depth limited into the WT minus tolerance can be accepted.
8) Delivery condition: hot finished.
9)Any matters occurred during production and transactions will be amiably settled down by both parties.
Contact Us
- Shandong Huitong Industrial Co., Ltd.
- Contact nameSpark feng Chat Now
- Phone0086-0635-8870788
- AddressEast of Mudanjiang road Economic Development Zone, Liaocheng, Shandong
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