鋼板 尺寸允許偏差

1、尺寸允許偏差熱軋鋼板和鋼帶尺寸允許偏差（GB/T709-1988）鋼板的厚度允許偏差（一）mm公稱厚度在下列寬度時的厚度允許偏差（鋼板和鋼帶）600s750750s10001000s1500較高軋制精度普通軋制精度較高軋制精度普通軋制精度較高軋制精度普通軋制精度0.35s0.500.050.070.050.07-0.50s0.600.060.080.060.08-0.60s0.750.070.090.070.09-0.75s0.900.080.100.080.10-0.90s1.100.090.110.090.12-1.10s1.200.100.120.110.130.110.151.20s1

2、.300.110.130.120.140.120.151.30s1.400.110.140.120.150.120.181.40s1.600.120.150.130.150.130.181.60s1.800.130.150.140.170.140.181.80s2.000.140.160.150.170.160.182.00s2.200.150.170.160.180.170.192.20s2.500.160.180.170.190.180.202.50s3.000.170.190.180.200.190.213.00s3.500.180.200.190.210.200.223.50s4.00

3、0.210.230.220.260.240.284.00s5.50-0.2-0.2-0.15-0.1-0.3-0.25.50s7.50-0.3-0.3-0.4-0.4-0.4-0.357.50s10.00-0.6-0.6-0.6-0.6-0.5-0.510.00s13.00-0.6-0.6-0.6-0.6-0.5-0.5鋼板的厚度允許偏差（二）mm公稱厚度（鋼板和鋼帶）負(fù) 偏 差下列寬度的厚度允許正偏差1000s12001200s15001500s17001700s18001800s20002000s23002300s25002500s26002600s28002800s30003000s32

4、003200s34003400s36003600s380013s250.820.20.30.40.60.80.811.11.2-25s300.90.220.30.040.60.80.911.11.2-30s3410.20.30.30.40.60.80.911.21.3-34s401.10.30.40.50.60.70.911.11.31.4-40s501.20.40.50.60.70.811.11.21.41.5-50s601.30.60.70.80.911.11.11.11.31.5-60s801.8-11111.1121.31.31.31.31.41.480s1002-1.21.21.21

5、.21.31.31.31.41.41.41.41.4100s1502.2-1.31.31.31.41.51.51.61.61.61.61.61.6150s2002.6-1.51.51.51.61.71.71.71.81.81.81.81.8鋼板的厚度允許偏差（三）mm公稱厚度（鋼板 和鋼帶）在下列寬度時的厚度允許偏差1500 s 20002000s23002300s27002700s3000較高 軋制 精度普通 軋制 精度較高 軋制 精度普通 軋制 精度較高 軋制 精度普通 軋制 精度較高 軋制 精度普通 軋制 精度0.35.s0.500.50s0.600.60s0.750.75s0.900.

6、90s1.101.10s1.201.20s1.301.30s1.401.40s1.601.60s1.801.80s2.000.170.202.00s2.200.180.202.20s2.500.190.212.50s3.000.200.220.230.253.00s3.500.220.240.260.293.50s4.000.260.280.300.334.00s5.50+0.20-0.40+0.40 -0.50+0.25 -0.40+0.45 -0.505.50s7.50+0.20-0.50+0.40 -0.60+0.25 -0.60+0.45 -0.607.50s 10.00+0.20 -

7、0.70+0.35 -0.80+0.25 -0.70+0.45 -0.80+0.60 -0.8010.00s 13.00+0.30 -0.70+0.40 -0.80+0.35 -0.70+0.50 -0.80+0.70 -0.80+1.00 -0.80切邊鋼板的寬度允許偏差mm公稱厚度寬度寬度允許偏差W4800+6+104s161500+10+1516s60所有寬度+3060 所有寬度 +35切邊鋼帶的寬度允許偏差不得超過下列規(guī)定 TOC o 1-5 h z 鋼帶寬度 600sOOOm+5mm1000m+10mm不切邊鋼帶的寬度允許偏差不得超過下列規(guī)定鋼帶寬度W1000m+20mm1000m+

8、30mm縱剪鋼帶的寬度允許偏差mm公稱厚度允許偏差厚度4.0s6.06.0s8.08.0160s2500.51.01.21.4250s6001.01.01.21.4鋼板的長度允許偏差mm公稱厚度鋼板長度長度允許偏差41500+154s162000s60006000+10+25+3016s602000s60006000+15+30+4060所有長度+50注:剪切后平整的熱軋鋼板，其長度偏差允許增加20mm.冷軋鋼板和鋼帶尺寸允許偏差(GB/T708-1988)鋼板和鋼帶的寬度允許偏差mm公稱寬度寬度允許偏差1000+10不剪縱邊的鋼帶+15鋼板和鋼帶的寬度允許偏差mm厚度允許偏差|公稱寬度公稱厚

9、度A級精度B級精度1500s20001500s20000.20S0.500.040.050.50s0.650.050.060.65s0.900.060.070.90s1.100.070.090.090.111.10s1.200.090.100.100.121.20s1.40.100.120.110.141.4s1.50.110.130.120.151*1.80.120.140.140.161.8s2.00.130.150.150.172.0s2.50.140.170.160.182*3.00.160.190.180.203.0s3.50.180.200.200.213.5s4.00.190.2

10、10.220.244.0s5.00.200.220.230.25縱切鋼帶分寬度允許偏差mm|公稱寬度公稱厚度125s250許偏差250s400400s0.40s.0+0.5+0.8+1.2+1.51.0s1.8+0.7+1.0+1.5+2.01.8s3.0+1.0+1.3+1.7+2.0鋼板的長度允許偏差 mm公稱長度長度允許偏差2000+15鍋爐用鋼板允許偏差(GB/T713-1997)厚度允許偏差mm公稱厚度負(fù)偏 差寬度600 s750750s10001000s12001200s15001500s17001700s18001800s20002000s23002300s25002500s26

11、002600s28002800s30003000s32003200s34003400s36003600s3800正偏差6s7.50.250.450.550.600.600.750.750.750.807.5 s 100.250.750.750.850.850.900.900.901.001.151.151.1510s130.250.750.750.850.850.950.951.051.251.251.251.251.5513s250.250.750.750.850.951.151.351.351.551.551.7525s300.250.850.850.951.051.251.451.551

12、.651.751.8530s340.250.951.051.051.151.351.551.651.751.952.0534s400.251.151.251.351.451.551.751.851.952.152.2540s500.251.351.451.551.651.751.952.052.152.352.4550s600.251.651.751.851.952.052.152.152.252.352.5560s800.252.552.552.552.552.652.752.852.852.852.852.952.9580s1000.252.952.952.952.953.053.053.

13、053.153.153.153.153.15100s1500.253.253.253.253.253.453.453.553.553.553.553.553.55計算重量的厚度附加值mm公稱厚度寬度600 s750750s10001000s12001200s15001500s17001700s18001800s20002000s23002300s25002500s26002600s28002800s30003000s32003200s34003400s36003600s3800正偏差6s7.50.100.150.180.180.250.250.250.287.5 s 100.250.250.3

14、00.300.330.330.330.380.450.450.4510s130.250.250.300.300.350.350.350.400.500.500.500.6513s250.250.250.300.350.450.550.550.650.700.7525s300.300.300.350.400.500.600.650.700.750.8030s340.350.400.400.450.550.650.700.750.850.9034s400.450.500.550.600.650.750.800.850.951.0040s500.550.600.650.700.750.850.900

15、.951.051.1050s600.700.750.800.850.900.950.951.001.051.1560s801.151.151.151.151.201.251.301.301.301.301.351.3580s1001.351.351.351.351.401.401.401.451.451.451.451.45100s1501.501.501.501.551.601.601.651.651.651.651.651.65注:鋼板按理論重量交貨時，以鋼板的公稱厚度加上上表的附加值作為計算重量的理論厚度.壓力容器用鋼板允許偏差(GB6654-1996)厚度允許偏差mm公稱厚度負(fù)偏 差寬

16、度600s750750s10001000s12001200s15001500s17001700s18001800s20002000s23002300s25002500s26002600s28002800s30003000s32003200s34003400s36003600s3800正偏差6s7.50.250.450.550.600.600.750.750.750.807.5 s100.250.750.750.850.850.900.900.901.001.151.151.1510s130.250.750.750.850.850.950.950.951.051.251.251.251.5513

17、s250.250.750.750.850.951.151.351.351.551.651.7525s300.250.850.850.951.051.251.451.551.651.751.8530s340.250.951.051.051.151.351.551.651.751.952.0534s400.251.151.251.351.451.551.751.851.952.152.2540s500.251.351.451.551.651.751.952.052.152.352.4550s600.251.651.751.851.952.052.152.152.252.352.5560s800.2

18、52.552.552.552.552.652.752.852.852.852.852.952.9580s1000.252.952.952.952.953.053.053.053.153.153.153.153.15100s1200.253.253.253.253.253.453.453.553.553.553.553.553.55計算重量的厚度附加值mm公稱厚度寬度600 s750750s10001000s12001200s15001500s17001700s18001800s20002000s23002300s25002500s26002600s28002800s30003000s32003

19、200s34003400s36003600s3800正偏差6s7.50.100.150.180.180.250.250.250.287.5 s100.250.250.300.300.320.320.320.380.450.450.4510s130.250.250.300.300.350.350.350.400.500.500.500.6513s250.250.250.300.350.450.550.550.650.700.7525s300.300.300.350.400.500.600.650.700.750.8030s340.350.400.400.450.550.650.700.750.8

20、50.9034s400.450.500.550.600.650.750.800.850.951.0040s500.550.600.650.700.750.850.900.951.051.1050s600.700.750.800.850.900.950.951.001.051.1560s801.151.151.151.151.201.251.301.301.301.301.351.3580s1001.351.351.351.351.401.401.401.451.451.451.451.45100s1201.501.501.501.601.601.651.651.651.651.651.651.

21、65熱軋圓鋼直徑和方鋼邊長的允許偏差(GB/T702-1986)mm圓鋼直徑d 方鋼邊長a精度組別允許偏差1組2組3組5*70.200.300.407s200.250.350.4020s300.300.400.5030s500.400.500.6050s800.600.700.8080s1100.901.001.1110s1501.201.31.4150s1902.0190s2502.5熱軋工字鋼尺寸允許偏差(GB/T706-1988)工字鋼的高度h、腿寬度b、腰厚度d允許偏差mm型號允許偏差高度h腿寬度b腰厚度d14s182.518s303.03.00.730s403.50.840s634.

22、04.00.9注:工字鋼平均腿厚度的允許偏差為0.06t.工字鋼的彎腰撓度不應(yīng)超過0.15d.工字鋼腿的外緣斜度單腿不大于1.5%b,雙腿不大于2.5%b.工字鋼腿端外緣鈍化不得使直徑等于0.18t的圓棒通過.工字鋼按定尺或倍尺長度交貨時，其長度允許偏差mm定尺、倍尺長度,m允許偏差8+80熱軋槽鋼尺寸允許偏差(GB/T707-1988)槽鋼的高度巾 腿寬度b、腰厚度d允許偏差mm型號允許偏差高度h腿寬度b腰厚度d581.51.50.48142.02.00.514182.50.618303.03.00.730403.50.8注：槽鋼平均腿厚度的允許偏差為0.06t。槽鋼的彎腰撓度不應(yīng)超過0.1

23、5d。槽鋼腿的外緣斜度，單腿不大于1.5%b,雙腿不大于2.5%b。槽鋼腿端、肩鈍化不得使直徑等于0.18t的圓棒通過。槽鋼按定尺或倍尺長度交貨時，其長度允許偏差mm定尺、倍尺長度，m允許偏差8+80 0熱軋等邊角鋼尺寸允許偏差(GB/T9787-1988)等邊角鋼的邊寬度b、邊厚度d允許偏差mm型號允許偏差邊寬度b邊厚度d2 5.60.80.46.3 91.20.610 141.80.716 202.51.0注：等邊角鋼頂端直角允許偏差9035。等邊角鋼端邊角和頂角鈍化不得使直徑等于0.18t的圓棒通過。等邊角鋼按定尺或倍尺長度交貨時，其長度允許偏差：+50 mmGB709-88熱軋鋼板和鋼

24、帶的尺寸、外形、重量及允許偏差中華人民共和國國家標(biāo)準(zhǔn)UDC669.14-18熱軋鋼板和鋼帶的尺寸、外形、重量及允許偏差GB709-88代替 GB709-65本標(biāo)準(zhǔn)適用于寬度大于或等于600mm,厚度為0.35200mm的熱軋鋼板和厚度為1.225mm的鋼帶。本標(biāo)準(zhǔn)也適用于由寬鋼帶縱剪的窄鋼帶。 1分類和代號1.1按邊緣狀態(tài)分切邊Q不切邊BQ 1.2按軋制精度分 較高精度 普通精度 2.定義2.1鋼板是平板狀，矩形的,可直接軋制或由寬鋼帶剪切而成。2.2鋼帶是指成卷交貨，寬度大于或等于600mm的寬鋼帶。3尺寸3.1鋼板尺寸應(yīng)符合表1規(guī)定，鋼帶尺寸應(yīng)符合表2的規(guī)定。鋼板寬度也可為50mm或10m

25、m倍數(shù)的任何尺寸。鋼板長度為100mm或50mm倍數(shù)的任何尺寸。但厚度小于等于4mm鋼板的最小 長度不得小于1.2m,厚 度大于4mm鋼板的最小長度不得小于2m。GB70& EM蚩制 折的|蹣的|網(wǎng)雨81|酬InLmJttFHiiftSa:的晴小和最A(yù)MatBCri | 8ij h 小網(wǎng)”項卻7做L 0涸.$50-?。?2 4V0用CO KOCiO1420 1-1 0is-vu riw.】頌iJ_ 17Xi1. S.l- i-L- 理叫 四巾也 亂中罰2. 0,2. 2?XfQ3DUQ 邳心叫傾”:|i別R fcwJ削ow50賦 卸聞2M&ilOOO囂的Kg20-)0*iftci iiJIX

26、鴻翁 2?M0bJOO rjOOt fiLH C i?；HG- H；r ： T 扣:T -.!Yh- :-if i 火由K 岫 6LKKi 2&W早般叫&網(wǎng) 2UI.il iOuri ZMJOMW 眼腳但陌 M頓&0的05網(wǎng)睫WKi勝佃 W*JUU 鉀勿$0VO 皿JilWJ.頌4105 LIL. 1FW.ML 也玲&5T#.咨 E5,LW.=1師H.llu,此5.1皿I,ISO. ifa.M乳174. !la.35-4;成叫m5Z-. &fi.知 55“3X 2XH) 網(wǎng)W 6獺MOD 2QXl制偶砰的.SLHX.明HaSHKi 和眥 3KDfQM 頒G貫m 20i)n 2K& AXJQ 2

27、GW5-XlQ- 5fl網(wǎng) GWO HM(T 岫32rr：fi 2i-wft 網(wǎng)癡I SaXtoBWO ESn 皿/ d&CU53&fli2 WK心”I，瀏pw mm 3取沁awu - j滯耳帝 |LSM n 1#41也 m，U hr MM土，IiMi 4WH 4EH：i 5N 由剝11 lX.J!iiXUiil|.i.HKJ LtHHJ yiJSUi 3BW 3M心J加醒山濃0為RS網(wǎng) 2-XiUIWU壬就舞叫SM。J0M 割JW號郭網(wǎng)犯網(wǎng)燦 網(wǎng)& DM?i M-K SWGbCI9g9 DM珅說舶如垢網(wǎng)址何ttKC icco -KJiiD 何!1B 明中,gm*衰2mm鎘替公 hW.L 4。

28、L 8.2, 0,2. S-2. Bil 03 J3. 53血 0.L AS. L 瓦 S,& S 秣母匿 6.5.7,0sis oar aaa.quqJ&. oi$-0.2o.皿福 如躅.o, 鋼奇會 SQD.650,700tSW?5Q900.950,1000,1060,1100,1150lEGO 1.25加 禰寬度 t3OQJ350, I 技9M5S：l5RhlS5Uq&(H.lWO：L8OO，lS0D3.2根據(jù)需方要求，厚度小于30mm的鋼板，厚度間隔可為0.5mm。3.3根據(jù)需方要求，經(jīng)供需雙方協(xié)議可以供應(yīng)其他尺寸的鋼板和鋼帶。4尺寸偏差4.1鋼板和鋼帶厚度偏差應(yīng)符合表3和表4的規(guī)定。

29、根據(jù)需方要求，可以供應(yīng)等于允許公差帶的限制負(fù)偏差的鋼板8T8 1 9T8*19 3819T8U9 U4*19lS*1rlST9I riS-lB1,【S*lI-9 7Z 7OOZOGTOSl00lV flV TVIVT0 1IZ *1I6*1I0 7001 G8VVI! I【1 T1ZIri0*1or0*1or8【08 09V .SIe-izrVTri0*16。8oro9P9 rI09 OVSIi -Iri以o-l5,0。9 *0s*oVOIOGOY1.1I -I0 16-0z*o9*0S *0pO0I I0VVV 1Ior6 *08*09WV ,0o8 -03 *0o-ikC-OC-ZlIT0

30、*1608P9 Wro00ZO6-00EiZ 1l-l0*19,08w09X)V *0LozoZ *08*0Z【V008009on pcOOZCooot008Z009Z009Zoorz00020081OOZlCOS Ioazi*w0092Mt0溢ooot00位009Z 00S7 如OWc008100ZI三OOSIlOOZl00017501000A10001500林JI吾W軋制傷度飭度樣通牝制 妹度樣禎孔制0. 350. 500. 050. 070. 050. 070.500. 600. 060. 080.060. 08MM0.6。0. 750. 070. 090.07士 Q 090.750.

31、900.080. 10士。. 0. 901. 10+ 0.090. 11士 Q 090. 12 1. 101. 200.100. 120. 11士0. 130.110. 151.20L 30士0. 110. 130.120. 140.120. 151, 30-1. 100. 110.140. 120. 150-120. 181. 401. 600. 120. 150.130. 150.13饑181.601.800.130. 150.14士0. 170.140. 1S1. 802. 000.140. 160.150. 170.160. 182. 00-2. 200 150. 170.160.180.170. 192.202.500.160.180.170, 190.180. 202. 503. 000.170. 190.18士0, 200.190. 213. 003. 500.18士0. 200.190.210,200. 223. 504. 000.21士 0. 230. 22士 0.260.24士0. 2