《国家标准》GB ASTM DIN 公差对比

锅炉管系列

◆标准 Standard:
DIN 17175 ---German Standard
ASME SA192,SA106,SA209,SA210,SA213,SA556---Standard of American Society of Mechanical Engineers
GB 5310,3087---Chinese National Standard
Q/BQB 201---Baosteel Corporation Standard

◆用途 Uses:
用于低中压、高压及其以上压力锅炉的水冷壁、省煤器、再热器、过滤器及蒸气管道的制造。
For manufacture of low/medium/high and higher pressure boilers,water cooling panels,coal-saving devices,reheaters,superheaters and steam pipelines

陈启源

◆尺寸公差 Tolerances on Dimensions:
　壁厚允许偏差 Wall Thickness Tolerance:　

标准 Standard	外径 Outside Diameter da (mm)	壁厚 Wall Thickness S (mm)	壁厚允许偏差 Tolerance
DIN17175 Q/BQB201	≤130	S≤2·Sn	+15%,-10%
		2·Sn<S≤4·Sn	+12.5%,-10%
		S>4·Sn	±9%
	>130	S≤0.05da	+15%，-10%
		0.05da<S≤0.11da	±12.5%
		S>0.11da	±10%
GB3087	--	3-20	+12.5%,-15%
GB3087	--	>20	±10%
GB5310	--	<3.5	+15% (最小为+0.48 mm) -10% (最小为-0.32 mm)
		3.5-20	+15%,-10%
		>20	±10%
ASME SA450	--	2.4-3.8	+35%,-0%
		>3.8-4.6	+35%,-0%
		>4.6	+23%,-0%
ASME SA530	--	--	±12.5%

外径允许偏差 Outside Diameter Tolerance:

标准 Standard	外径 Outside Diameter(mm）	外径允许偏差 Tolerance
DIN17175 Q/BQB201	≤100	±0.75% (min=0.5mm)
DIN17175 Q/BQB201	>100	±0.90%
GB3087	≤159	+1.25% -1.0%
GB5310	≤50	±0.5 (mm)
GB5310	>50	±1.0%
ASME SA450	≤101.6	+0.4 -0.8 (mm)
ASME SA450	>101.6-190.5	+0.4 -1.2 (mm)
ASME SA530	≤48.3	+0.4 -0.8 (mm)
	>48.3-114.3	±0.8 (mm)
	>114.3	+1.6 -0.8 (mm)

◆力学性能 Mechanical Properties:

先锋霉素

牌号 Grade	抗拉强度 Tensile Strength σb Mpa	下列壁厚钢管的屈服点 Yield Point atthefollowing wall thickness边缘的权利 σs Mpa 不小于 not less than		伸长率 Elongation δ5% 不小于 not less than	冲击功（纵向） Impact Energy (longitrdinal) J 不小于 not less than	硬度不大于 Hardess not more than		采用标准 Standard
						洛氏硬度 Rockwell	布氏硬度 Brinell
						壁厚 Wall Thickness ＜5.1mm	壁厚 Wall Thickness ≥5.1mm
		＜15mm	≥15mm			壁厚 Wall Thickness ＜5.1mm	壁厚 Wall Thickness ≥5.1mm
10	333-490	196		24	-	-	-	GB3087
20	392-588	245	226	20	-	-	-	GB3087
		≤16mm	＞16mm		-	-	-
St35.8	360-480	235	225	25	-	-	-	DIN17175 Q/BQB201
Sr45.8	410-530	255	245	21	-	-	-
15Mo3	450-600	270		22	-	-	-
13CrMo44	440-590	290		22	-	-	-
10CrMo910	450-600	280		20	-	-	-
14MoV63	460-610	320		20	55		-
12Cr1MoV	470-640	255	245	21	41	-	-
20G	410-550	245		24	35	-	-	GB5310
20MnG	≥415	240		22	35	-	-
25MnG	≥485	275		20	35	-	-
15MoG	450-600	270		22	35	-	-
20MoG	≥415	220		22	35	-	-
12CrMoG	410-560	205		21	35	-	-
15CrMoG	440-640	235		21	35	-	-
12Cr2MoG 小龙女的秘密	450-600	280		20	35	-	-
12Cr1MoVG	470-640	255		21	35	-	-
12Cr2MoWVTiB	540-735	345		18	35	-	-
		＜15mm	≥15mm
SA192	≥325	180		35	-	77HRB	137HB	ASMESA192
SA106-B	≥415	240		查表	-	-	-	ASMESA106
SA106-C	≥485	275			-	-	-	ASMESA106
SA556-C2	≥480	280			-	-		ASMESA556
SA210-A1	≥415	255			-	79HRB（143HB）		ASMESA210
SA210-C	≥485	275			-	89HRB(179HB)		ASMESA210
SA209-T1a	≥415	220			-	81HRB	153HB	ASMESA209
SA213-T12	≥415	205			-	163HB(85HRB)		ASMESA213
SA213-T22	≥415	205			-	163HB(85HRB)		ASMESA213

◆化学成分 Chemical Composition(%):

采用标准Standard	牌号 Grade	C	Si	Mn	P≤	S≤	Cr	Mo	V
GB3087	10	0.07-0.14	0.17-0.37	0.35-0.65	0.035	0.035	≤0.15	-	-谐波分析
GB3087	20	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	-	-
DIN 17175 Q/BQB 201	St35.8	≤0.17	0.10-0.35	0.40-0.80	0.030	0.030	-	-	-
	St45.8	≤0.21	0.10-0.35	0.40-1.20	0.030	0.030	-	-	-
	15Mo3	0.12-0.20	0.10-0.35	0.40-0.80	0.030	0.030	-	0.25-0.35	-
	13CrMo44	0.10-0.18	0.10-0.35 数字长城	0.40-0.70	0.030	0.030	0.70-1.10	0.45-0.65	-
	10CrMo910	0.08-0.15	≤0.50	0.40-0.70	0.030	0.030	2.00-2.50	0.90-1.20	-
	14MoV63<td width

船用管系列

◆标准 Standard:
中国船级社钢质海船入级与建造规范--CCS Classification of Ships
英国劳氏船级社规范--LR Classification of Ships
法国BV船级社规范---BV Classification os Ships
DIN 17175---German Standard
GB5312 Gb5310 ---Chinese National Standard
Q/BQB203 ---Baosteel Corporation Standard

◆主要用途 Uses:
用于船用锅炉、过热器及Ι、Π、Ⅲ级压力系管道的制造。
For manufacture of boilers,superheaters for ship,and pressure system pipelines

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