锅炉及热换器用管日本标准JIS3461,JIS3462

发布日期：21-08-25 10:33:46 访问次数：1433

管道、容器、设备结构用管
Steel Pipes for Pipeline, Vessel and Equipment Structures.
标准：Standards:
ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441
用途Application:
适用于制造管道、容器、设备、管件及钢结构
It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
主要生产钢管牌号 Main Steel Tube Grades:
St37.0, St44.0, St52.0
化学成份Chemical Composition (%):

标准Standard	牌号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.

机械性能Mechanical Properties:

标准Standard	钢级 Grade	抗拉强度Tensile Strength (MPa)	屈服强度Yield Strenght Not less than		伸长率Elongation Not less than	冲击试验Impact Test
标准Standard	钢级 Grade	抗拉强度Tensile Strength (MPa)	≤16mm	＞16-30mm	伸长率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	-	-

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