宜兴北海封头最小厚度

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EHA·DHB冷冲压 (材质：碳素钢、低合金钢)
GB3274 适用材料（ Q235B ）

δs	3		4		6		8		10		12		14		16		18		20		22		24
\
Di
200	2.5	2.5	3.3	3.3	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3
250	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3
300	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3
350	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
400	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
450	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
500	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
550	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
600	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1
650	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
700	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
750	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
800	2.2	2.2	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
850	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
900	2.5	2.5	3.5	3.5	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
950	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.6	8.6	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6
1000	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1050	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1100	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1150	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1200	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1250	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1300	2.5	2.5	3.4	3.4	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1350	2.5	2.5	3.1	3.1	4.6	4.6	6.5	6.5	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1400	2.5	2.5	3.1	3.1	4.6	4.6	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1450	2.5	2.5	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1500	2.5	2.5	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1550	2.5	2.5	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1600	2.5	2.5	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1650	2.5	2.5	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1700	2	2	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1750	2	2	3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1800			3.1	3.1	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1850			3	3	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1900			3	3	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	16.1	16.1	18	18	20.6	20.6	22.5	22.5
1950			3	3	4.2	4.2	6.3	6.3	8.3	8.3	10.4	10.4	12.3	12.3	14.1	14.1	15.3	16.1	18	18	20.6	20.6	22.5	22.5
2000			3	3	4.2	4.2	6.3	6.3	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2100			3	3	4.2	4.2	6.3	6.3	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2200			3	3	4.2	4.2	6.3	6.3	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2300					4.2	4.2	6.3	6.3	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2400					4.2	4.2	6.3	6.3	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2500					4	4	6.1	6.1	8.1	8.1	10.1	10.1	11.3	11.8	13.4	13.4	15.3	15.5	17.3	17.3	20	20	22	22
2600					4	4	6.1	6.1	8.1	8.1	9.7	9.7	11.3	11.8	13.1	13.3	15.3	15.5	17.3	17.3	20	20	22	22
2700					4	4	6.1	6.1	8.1	8.1	9.7	9.7	11.3	11.8	13.1	13.3	15.3	15.5	17.3	17.3	20	20	22	22
2800					4	4	6.1	6.1	8.1	8.1	9.7	9.7	11.3	11.8	13.1	13.3	15.3	15.5	17.3	17.3	20	20	22	22
3000					4	4	6.1	6.1	8.1	8.1	9.7	9.7	11.3	11.8	13.1	13.3	15.3	15.5	17.3	17.3	20	20	22	22
3200					4	4	6.1	6.1	8.1	8.1	9.7	9.7	11.3	11.8	13.1	13.3	15.3	15.5	17.3	17.3	20	20	22	22
注：
1.表内数据黑色为EHA形状最小厚度，红色为DHB形状最小厚度，其他加工方法及材质不适用本表；
2.本表所列最小厚度仅适用于本公司直接向钢厂特别订购的钢板，对市场采购材料和客户来料不使用本表，必须根据钢板实际负偏差另行商定；

EHA·DHB冷冲不锈钢

δs	3		4		6		8		10		12		14		16		18		20		22		24
\
Di
200			2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4
250			2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4
300	1.4	1.4	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4
350	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
400	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
450	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
500	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
550	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
600	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4
650	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
700	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
750	1.4	1.2	2.5	2.5	3.3	3.3	4.2	4.2	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
800	1.2	1.2	2.5	2.5	3	3	4	4	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
850	1.2	1.2	2.5	2.5	3	3	4	4	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
900	1.2	1.2	2.5	2.5	3	3	4	4	5.3	5.3	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
950	1.2	1.2	2.5	2.5	3	3	4	4	5	5	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20
1000	1.2	1.2	2.5	2.5	3	3	4	4	5	5	7	7	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1050	1.2	1.2	2.5	2.5	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1100	1.2	1.2	2.5	2.5	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1150	1.2	1.2	2.5	2.5	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1200	1.2	1.2	2.5	2.5	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1250			2.5	2.5	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1300			2	2	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1350			2	2	3	3	4	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1400	1.2	1.2	2	2	3	3	3.9	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1450			2	2	3	3	3.9	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1500			2	2	3	3	3.9	4	5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1550			2	2	3	3	3.9	4	4.5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1600			2	2	3	3	3.9	4	4.5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1650			2	2	3	3	3.9	4	4.5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1700			2	2	2.8	2.8	3.7	4	4.5	5	6.7	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1750					2.8	2.8	3.7	4	4.5	5	6.4	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1800			2	2	2.8	2.8	3.7	4	4.5	5	6.4	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1850					2.8	2.8	3.7	4	4.5	5	6.4	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1900					2.8	2.8	3.7	4	4.5	5	6.4	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
1950					2.8	2.8	3.7	4	4.5	5	6.4	6.8	12.4	12.4	14.4	14.4	16.2	16.2	18	18	20	20	21.8	21.8
2000					2.8	2.8	3.7	3.7	4.5	4.5	6.4	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2100				2	2.8	2.8	3.7	3.7	4.5	4.5	6.4	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2200					2.8	2.8	3.7	3.7	4.5	4.5	6.4	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2300					2.6	2.8	3.5	3.7	4.3	4.5	6.4	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2400					2.8	2.8	3.5	3.7	4.3	4.5	6.4	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2500					2.8	2.8	3.5	3.7	4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2600					2.8	2.8			4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2700					2.8	2.8			4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
2800					2.8	2.8			4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
3000					2.8	2.8			4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
3200						4			4.3	4.5	6.2	6.4	12.4	12.4	14.4	14.4	16.2	16.2	17.3	17.3	20	20	21.8	21.8
注：
1.表内数据黑色为EHA形状最小厚度，红色为DHB形状最小厚度，其他加工方法及材质不适用本表；
2.本表所列最小厚度仅适用于本公司直接向钢厂特别订购的钢板，对市场采购材料和客户来料不使用本表，必须根据钢板世纪负偏差另行商定；

EHA·DHB冷·热旋压（材质：碳素钢、低合金钢）
GB3274 适用材料（ Q235B ）

δs	4	6	8	10	12	14	16	18	20	22	24	26	28	30	35	40	45	50
\
Di
750-999	2.9	4.7	6.2	8	9.6
1000-1499	2.7	4.5	6.2	8	9.6
1500-1999	2.5	4.5	6.1	7.9	9.5	11.2	12.7	14.5	16.2	18.6	20.3.	23.1	24.9	26.7	31	35.2	39.6	44
2000-2499		4	5.8	7.8	9.5	11.2	12.7	14.5	16.2	18.6	20.3	23.1	24.9	26.7	31	35.2	39.6	44
2500-2999		3.8	5.7	7.5	9.5	11.2	12.7	14.5	16.2	18.6	20.3	22.9	24.6	26.7	30.8	35.2	39.6	44
3000-3499		3.8	5.5	7.2	9.4	11	12.5	14.3	15.9	18.3	20	21.8	23.5	25.3	29.4	33.6	37.8	42
3500-3999				7.2	9.4	11	12.5	14.3	15.9	18.3	20	21.8	23.5	25.3	29.4	33.6	37.8	42
4000-4499				7.2	9.2	10.8	12.3	14	15.6	18	19.6	21.8	23.5	25.3	29.4	33.6	37.8	42
4500-4999					9.2	10.8	12.3	14	15.6	18	19.6
5000-5500					9.2	10.7	12.2	14	15.6	18	19.6

注：此最小厚度不区分冷、热旋压加工方法

EHA·DHB冷·热旋压（材质：碳素钢、低合金钢）
GB6654 、 GB3531 、 GB713 适用材料（ 16MnR 、 16MnDR 、 20R 、 20g 等）

δs	4	6	8	10	12	14	16	18	20	22	24	26	28	30	35	40	45	50
\
Di
750-999	2.9	5	6.7	8.5	10.1
1000-1999	2.7	5	6.7	8.5	10.1
1500-1999	2.5	4.9	6.6	8.4	10	11.9	13.4	15.2	16.9	18.6	20.3	23.1	24.9	26.7	31	35.2	39.6	44
2000-2499		4.4	6.2	8.3	10	11.9	13.4	15.2	16.9	18.6	20.3	23.1	24.9	26.7	31	35.2	39.6	44
2500-2999		4.4	6.2	8.3	10	11.9	13.4	15.2	16.9	18.6	20.3	22.9	24.6	26.4	30.8	33.6	39.6	44
3000-3499		4.4	6.1	8.1	9.9	11.7	13.2	15	16.6	18.3	20	21.8	23.5	25.3	29.4	33.6	37.8	42
3500-3999			5.9	8.1	9.9	11.7	13.2	15	16.6	18.3	20	21.8	23.5	25.3	29.4	33.6	37.8	42
4000-4499				7.9	9.7	11.5	13	14.7	16.3	18	19.6	21.8	23.5	25.3	29.4	33.6	37.8	42
4500-4999					9.7	11.5	13	14.7	16.3	18	19.6
5000-5500					9.7	11.4	12.9	14.7	16.3	18	19.6

	注：此最小厚度不区分冷、热旋压加工方法

EHB·DHB冷旋压不绣钢

δs	3	4	5	6	8	10	12	14	16	18	20	22	24	26	28	30	35	40	45	50
\
Di
750-99	2	2.8	3.8	4.8	6.6	8.4	10
1000-1499	2	2.6	3.7	4.8	6.6	8.4	10
1500-1999		2.4	3.7	4.5	6.4	8.4	10
2000-2499			3.5	4.5	6.4	8.2	9.9	11.7	13.2	15	16.6	18.3
2500-2999				4.2	6.2	8	9.9	11.7	13.2	14.7	16.4	18
3000-3499				4.2	6	7.8	9.8	11.5	13	14.5	16.2	17.8
3500-3999					5.8	7.6	9.6	11.4	13	14.3	16	17.6
4000-4499						7.4	9.4	11.2	12.8	14.2	15.8	17.4
4500-4999						7.2	9.2	11	12.6	14.1	15.6	17.2
5000-5500							9	10.8	12.4

注：此最小厚度只适用于冷旋压不锈钢封头

EHA·DHB冷冲压 (材质碳素钢、低合金钢) EHA·DHB冷冲不锈钢 EHA·DHB冷·热旋压（材质碳素钢、低合金钢） EHA·DHB冷·热旋压（材质碳素钢、低合金钢） EHB·DHB冷旋压不绣钢

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