低中壓鍋爐用無縫管國標GB3087

發布日期：21-08-25 10:35:52 訪問次數：1528

管道、容器、設備結構用管
Steel Pipes for Pipeline, Vessel and Equipment Structures.
標準：Standards:
ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441
用途Application:
適用于制造管道、容器、設備、管件及鋼結構
It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
主要生產鋼管牌號 Main Steel Tube Grades:
St37.0, St44.0, St52.0
化學成份Chemical Composition (%):

標準Standard	牌號Grade	C	Si	Mn	P	S	Cr	Ni	Cu	V
Q/BQB 203 DIN1629	ST37.0	≤0.17	0.17-0.37	0.35-0.65	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	ST44.0	≤0.21	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	ST55	0.33-0.41	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	ST52.0	≤0.22	≤0.55	≤1.60	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	CK45	0.42-0.50	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-

Note: Grades other than the a.m. chart can be made available through consultations.

機械性能Mechanical Properties:

標準Standard	鋼級 Grade	抗拉強度Tensile Strength (MPa)	屈服強度Yield Strenght Not less than		伸長率Elongation Not less than	沖擊試驗Impact Test
標準Standard	鋼級 Grade	抗拉強度Tensile Strength (MPa)	≤16mm	＞16-30mm	伸長率Elongation Not less than	Temperature (℃)	Absorbed Energy (KV/J)
Q/BQB203 DIN1629	-	-	≤16mm	＞16mm	-	-	-
	ST37.0	350-480	235	225	25	-	-
	ST44.0	420-550	275	265	21	-	-
	ST55	540-645	295	285	17	-	-
	ST52.0	500-650	355	345	21	-	-
	CK45	590-730	335	325	14	-	-

上一信息：暫無

下一信息：高壓鍋爐用無縫鋼管國標GB5310

? 2021-2023 河北圣天集團無縫鋼管有限公司冀ICP備20015448號-1

技術支持滄州新東方網絡