Supply 170mm thickness DNV DH36 steel plate technical conditions
2011年7月1日 by admin
Supply 170mm thickness DNV DH36 steel plate technical conditions
A. Steel Grade: DNV DH36
B. Size, outline, weight and tolerance.
The tolerance of steel plate should be along with GB/T709-2006 Class B.
Steel Density is 7.85g/cm3, weight should be theoretical weight.
Other requirement should the same with GB/T709-2006.
Technical requirement.
1. Element of steel is GB712-2000.
2. Delivery station should be normalized.
2. Delivery station should be normalized.
3. Property of steel should be following.
| Grade | Yield strength | Tensile strength | Elongation | -20 Degree |
| DH36 | N/MM2 | N/MM2 | % | Impact test |
| DH36 | >=315 Mpa | 450-630 Mpa | >=20 | >=50J |
4. The Charpy V impact energy, take a average in tree test sample. Testing allow one of three sample date low than standard but not less 70%.
5. Surface quality should accord with GB712-2000.
5. Surface quality should accord with GB712-2000.
D. Ultrasonic Test.
UT test should be do one by one according to ASTM A435 adopt standard.
UT test should be do one by one according to ASTM A435 adopt standard.
E. The Rule of inspection.
GB712-2000
GB712-2000
F. Packaging, Marking and Quality Certificate.
GB/T247-2008
G.. The Third Party inspection
DNV
Gangsteel cooperated with HBIS Wuyang mill to produce DNV DH36 In 170mm Thickness. All of passed DNV third party inspection.
Gangsteel Technical department
2011-7-1
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