ዓለም አቀፍ የአካባቢ ጥበቃ አቅራቢ

ደረጃ

ክፍል

GM40

GM42

GM43

GM44

GM47

ውፍረት

μm

50

85

50

75

50

70

73

75

50

የመለጠጥ ጥንካሬ

MD

MPa

≥140

≥140

≥140

≥140

≥140

≥140

≥140

≥140

TD

MPa

≥140

≥140

≥140

≥140

≥140

≥140

≥140

≥140

≥140

ማራዘም

MD

%

≥80

≥80

≥80

≥80

≥80

≥80

≥80

≥80

≥80

TD

%

≥80

≥80

≥80

≥80

≥80

≥80

≥80

≥80

≥80

መቀነስ

(150 ℃/30 ደቂቃ)

MD

%

≤1.5

≤1.5

≤1.5

≤1.5

≤1.5

≤1.5

≤1.5

≤1.5

≤1.5

TD

%

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

-0.3 ~ 0.1

ማስተላለፊያ

%

85±5

80±5

73±3

65±5

60±5

50±5

50±5

75±3

90±2

ጭጋጋማ

%

≥80

≥90

≥95

≥95

≥95

≥95

≥95

≥90

≥30