NFI STEEL CATEGORIES
Norsok M-650 Qualification Forging Flanges
Norsok M-650 Qualification Forging Flanges,ASTM A182 F51,ASTM A182 F53,ASTM A182 F55,ASTM A182 F560,ASTM B564 N08825,ASTM B564 N06625
Norsok M-650 Qualification Forging Flanges,ASTM A182 F51,ASTM A182 F53,ASTM A182 F55,ASTM A182 F560,ASTM B564 N08825,ASTM B564 N06625
The NORSOK M-650 Qualification is a standard developed by the Norwegian oil and gas industry to ensure the quality of materials and products, mainly for the certification of materials in offshore engineering and related facilities. The NORSOK standard is published by the Norwegian Petroleum Industry Association (NORSOK) to improve the safety, reliability and economy of offshore engineering projects.
NFI STEEL obtained the Norsok M-650 Qualification of the following material grades and made requirements for the products.
| ASTM A182 F51 Forging Flanges Of Norsok M-650 Qualification | ||||||||||
| No. | Test | Product Requirement | ||||||||
| 1 | Chemical Composition | C | Mn | P | S | Si | Cr | Ni | Mo | N |
| ≤0.03 | ≤2 | ≤0.03 | ≤0.02 | ≤1 | 21-23 | 4.5-6.6 | 2.5-3.5 | 0.14-0.20 | ||
| 2 | Tensile Test | Tensile Strenght ≥620Mpa ,Yield Strenght (0.2% offset)≥450Mpa,Elongation After Fracture % (G=50mm)≥25 | ||||||||
| 3 | Impact Test | ASTM A370 (Test temp – 46℃ Avg ≥45J Single ≥35) | ||||||||
| 4 | Metallographic Analysis | ASTM E 562-19 | ||||||||
| Ferrite Content 35%~55% | ||||||||||
| ASTM A923-14 Method A | ||||||||||
| 5 | Pitting Conrrosion Test | ASTM G48 Method A | ||||||||
| ASTM A182 F60 Forging Flanges Of Norsok M-650 Qualification | ||||||||||
| No. | Test | Product Requirement | ||||||||
| 1 | Chemical Composition | C | Mn | P | S | Si | Cr | Ni | Mo | N |
| ≤0.03 | ≤2 | ≤0.03 | ≤0.02 | ≤1 | 22-23 | 4.5~6.5 | 3.0-3.5 | 0.14-0.20 | ||
| 2 | Tensile Test | Tensile Strenght ≥655Mpa ,Yield Strenght (0.2% offset)≥450Mpa,Elongation After Fracture % (G=50mm)≥25 | ||||||||
| 3 | Impact Test | ASTM A370 (Test temp – 46℃ Avg ≥45J Single ≥35) | ||||||||
| 4 | Metallographic Analysis | ASTM E 562-19 | ||||||||
| Ferrite Content 35%~55% | ||||||||||
| ASTM A923-14 Method A | ||||||||||
| 5 | Pitting Conrrosion Test | ASTM G48 Method A | ||||||||
| ASTM A182 F53 Forging Flanges Of Norsok M-650 Qualification | |||||||||||
| No. | Test | Product Requirement | |||||||||
| 1 | Chemical Composition | C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu |
| ≤0.03 | ≤1.2 | ≤0.035 | ≤0.02 | ≤0.8 | 24-26 | 6~8 | 3~5 | 0.24-0.32 | ≤0.5 | ||
| 2 | Tensile Test | Tensile Strenght ≥750Mpa ,Yield Strenght (0.2% offset)≥550Mpa,Elongation After Fracture % (G=50mm)≥25,HBW≤310 | |||||||||
| 3 | Impact Test | ASTM A370 (Test temp – 46℃ Avg ≥45J Single ≥35) | |||||||||
| 4 | Metallographic Analysis | ASTM E 562-19 | |||||||||
| Ferrite Content 35%~55% | |||||||||||
| ASTM A923-14 Method A | |||||||||||
| 5 | Pitting Conrrosion Test | ASTM G48 Method A | |||||||||
| ASTM A182 F55 Forging Flanges Of Norsok M-650 Qualification | ||||||||||||
| No. | Test | Product Requirement | ||||||||||
| 1 | Chemical Composition | C | Mn | P | S | Si | Cr | Ni | Mo | N | W | Cu |
| ≤0.03 | ≤1 | ≤0.03 | ≤0.01 | ≤1 | 24-26 | 6~8 | 3~4 | 0.2-0.3 | 0.5-1.0 | 0.5-1.0 | ||
| 2 | Tensile Test | Tensile Strenght 750-895 Mpa ,Yield Strenght (0.2% offset)≥550Mpa,Elongation After Fracture % (G=50mm)≥25 | ||||||||||
| 3 | Impact Test | ASTM A370 (Test temp – 46℃ Avg ≥45J Single ≥35) | ||||||||||
| 4 | Metallographic Analysis | ASTM E 562-19 | ||||||||||
| Ferrite Content 35%~55% | ||||||||||||
| ASTM A923-14 Method A | ||||||||||||
| 5 | Pitting Conrrosion Test | ASTM G48 Method A | ||||||||||
| ASTM B564 N08825 Forging Flanges Of Norsok M-650 Qualification | ||||||||||||
| No. | Test | Product Requirement | ||||||||||
| 1 | Chemical Composition | Ni | Cr | Fe | Mn | C | Cu | Si | S | Mo | Al | Ti |
| 38~46 | 19.5~23.5 | ≤22 | ≤1 | ≤0.05 | 1.5~3 | ≤0.5 | ≤0.03 | 2.5~3.5 | ≤0.2 | 0.6~1.2 | ||
| 2 | Tensile Test | Tensile Strenght ≥585Mpa ,Yield Strenght (0.2% offset)≥241Mpa,Elongation After Fracture % (G=50mm)≥30 | ||||||||||
| ASTM B564 N06625 Forging Flanges Of Norsok M-650 Qualification | ||||||||||||
| No. | Test | Product Requirement | ||||||||||
| 1 | Chemical Composition | C | Mn | P | S | Si | Cr | Ni | Mo | Nb+Ta | Al | Ti |
| ≤0.1 | ≤0.5 | ≤0.015 | ≤0.015 | ≤0.5 | 20-23 | ≤58 | 8~10 | 3.15~4.15 | ≤0.4 | ≤0.4 | ||
| 2 | Tensile Test | Tensile Strenght ≥585Mpa ,Yield Strenght (0.2% offset)≥241Mpa,Elongation After Fracture % (G=50mm)≥30 | ||||||||||
As a professional service company for shipbuilding and offshore engineering projects, we pursue perfection in every product, and the Norsok M-650 Qualification is the recognition of NFI STEEL products.
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