Pressure Vessel And Boiler 1.2mm Hot Rolled Alloy Steel Plate 15CrMoR(HIC) 15CrMoR N+T 15CrMoR
Brand Name:Mittel
Certification:SGS ISO MTC
Model Number:15CrMoR
Minimum Order Quantity:100KGS
Delivery Time:7 Working Days
Payment Terms:L/C, T/T
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Location:
Wuxi Jiangsu China
Address:
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
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Product Details
15CrMoR
Scope
The technical conditions apply to plates of 15CrMoR with thickness not more than 200mm. (8mm-200mm)
Adopt standard:
WYJ060-2006 Standard Specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated Temp service.
The dimension, shape, weight and permissible deviation shall meet the requirements of GB6654.
Thickness tolerance: +/-1.52mm
Flatness: 4mm/m
Surface shot blasting or peeled.
Technical conditions
Chemical composition (Ladle analysis)
The chemical composition of plates shall be accordance with the following table 1.
Table 1 Chemical composition (Ladle analysis) % Max
Steel making process: EAF+LF/VD
Carbon equivalent (CEq)
Carbon equivalent shall be not more than __for plates of 15CrMoR.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
Mechanical properties
The mechanical properties of 15CrMoR shall meet the requirement as table 2.
Table 2 Mechanical properties
Impact properties
Impact test in the longitudinal and transverse for plates of 15CrMoR shall meet the requirements per table 3.
Table 3 Impact properties
Grain size
Grain size for plates shall be according to 15CrMoR.
Surface quality
The surface quality of plates shall be in accordance with ASME SA20/SA20M.
Ultrasonic inspection
Plates shall be 100% ultrasonic inspected as per SA578 / SA577 / SA435.
Test method and inspection rules
Test items, sampling quantity, sampling method and test method shall conform to table 4.
Table 4 Test items for plates
Package, marking and certificate
Package, marking and certificate shall conform to ASME SA20/SA20M.
Delivery conditions
The delivery conditions for plates of 15CrMoR shall be N+T.
Other requirements:
The other requirements for plates of 15CrMoR shall be in accordance with SA387 & WYJ010-2006.
MTC in accordance with EN10204: 2004 3.1
Parameter
The chemical composition of plates shall be accordance with the
following table 1.
Table 1 Chemical composition (Ladle analysis) % Max
| C | Si | Mn | P | S | Cu | Cr | Ni | Mo | Nb | V | Nb+V |
| 0.04-0.17 | 0.13-0.45 | 0.35-0.73 | 0.03 | 0.02 | 0.20 | 0.74-1.21 | 0.43 | 0.40-0.65 | 0.04 |
Steel making process: EAF+LF/VD
Carbon equivalent (CEq)
Carbon equivalent shall be not more than __for plates of 15CrMoR.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
Mechanical properties
The mechanical properties of 15CrMoR shall meet the requirement as
table 2.
Table 2 Mechanical properties
Size mm | Mechanical properties | Lateral expansion mm | Hardness test 1/4 T HB | |||
| Yield strength MPa | Tensile strength MPa | Section shrinkage ratio % | Elongation % | |||
| T≤200 | Min 310 | 515-690 | Min 45 | Min 22 | Min | Max |
Impact properties
Impact test in the longitudinal and transverse for plates of
15CrMoR shall meet the requirements per table 3.
Table 3 Impact properties
Charpy-V Impact Test temp. Celsius degree | Transverse 1/4 Thickness | Longitudinal 1/4 Thickness | ||
| Average impact energy | Average impact energy | |||
| 20℃ | Min 31 J | Min | ||
Grain size
Grain size for plates shall be according to 15CrMoR.
Surface quality
The surface quality of plates shall be in accordance with ASME
SA20/SA20M.
Ultrasonic inspection
Plates shall be 100% ultrasonic inspected as per SA578 / SA577 /
SA435.
Test method and inspection rules
Test items, sampling quantity, sampling method and test method
shall conform to table 4.
Table 4 Test items for plates
No. | Test item | Quantity, Piece | Direction | Test method |
| 1 | Heat analysis | 1 per heat | ASME SA751 | |
| 2 | Product analysis | 1 per batch | ASME SA751 | |
| 3 | Tensile test at Ambient Tem | 1 per batch | Transverse | ASME SA370 |
| 4 | Bend Test | |||
| 5 | Charpy-V impact | |||
| 6 | Grain size |
Pressure Vessel And Boiler 1.2mm Hot Rolled Alloy Steel Plate 15CrMoR(HIC) 15CrMoR N+T 15CrMoR
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