Q345C ọkwa ọkwa 4*1219*2438mm efere ígwè
Nkọwa:
Ọkọlọtọ: GB/T 1591-2018
Ọkwa: Q345B/Q355B, Q345C/Q355C, Q345D/Q355D
Ọnọdụ nnyefe: Igwe na-ekpo ọkụ
Ọkwa | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N | Mo | Als |
Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | / |
Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
Ngwongwo igwe:
Ọkwa | Ike Yeildmin Mpa | Ike ọdụdọ | Ogologo oge | Nnwale mmetụta | |||
T na mm | Mpa | ||||||
≤16 | 16 ≤30 | 30 | ℃ | Mmetụta/J | |||
≥ | |||||||
Q345B | 345 | 325 | 295 | 470-630 | ≥20 | 20 | 34 |
Q345C | 345 | 325 | 295 | 470-630 | ≥21 | 0 | 34 |
Q345D | 345 | 325 | 295 | 470-630 | ≥21 | -20 | 34 |
Q345C bụ ụdị ígwè arụrụ arụ dị ala dị elu: (dakọtara na akara ule ochie tupu afọ 88: 16Mn,
12MnV, 14MnNb, 16MnRe, 18Nb akara ule ise jikọtara ọnụ) Q bụ akwụkwọ ozi izizi nke pinyin Chinese nke ndị China.
agwa "mkpụrụ", na-egosi ike nke mkpụrụ 345 bụ kpọmkwem uru nke ike mkpụrụ: 345MPa The C na
azụ bụ akara ọkwa ogo nke ígwè nke ọkwa ike a, nke a na-ekekarị n'ime A, B, C, D, E na
Ọkwa ndị ọzọ (ka ọkwa ya dị elu, ka ọkwa ya dị elu) Rịba ama: akara ule ise A, B, C, D, E anaghị edekọ ọnụ.
na gara aga ise ígwè akara ule, ma àgwà akara ule. Isi ihe dị iche bụ na ihe ndị a chọrọ maka mmetụta
ike dị iche iche: Q345-A: Achọghị ike mmetụta Q345-B: Ihe achọrọ maka mmetụta ike n'ime ụlọ
okpomọkụ Q345-C: na-achọ 0 ℃ mmetụta ike Q345-D: chọrọ mmetụta ike nke -20 ℃ Q345-E: chọrọ
-40 ℃ mmetụta ike Ọ pụrụ ịhụ na ndị na-esonụ ígwè akara ule ga-eji na ala okpomọkụ
Anyị na-ewu ogologo okwu na ike imekọ ihe ọnụ na ndị ahịa na anụ ụlọ, dị ka Shanghai, Jiangsu,
Zhejiang, Anhui, Shandong, Jiangxi, Qinghai, Liaoning, Hainan na ndị ọzọ.
Maka mba ofesi, onye ahịa anyị bụ isi sitere na South Asia, Africa, South America dị ka Singapore, Vietnam, Brazil, Ghana,
New Zealand, Spain, Mauritius, Dubai wdg.