不銹鋼熱軋等邊角鋼簡要說明及力學(xué)性能
不銹鋼熱軋等邊角鋼（GB/T 4227）
標(biāo)準(zhǔn)長度為4,5,6m,長度允許偏差不大于 40mm
外形：直角允許偏差為90°±2°
彎曲度不大于4mm/m,全長彎曲度不大于0.4%
奧氏體型角鋼以固溶處理狀態(tài)交貨,鐵素體型角鋼以退火處理狀態(tài)交貨,或根據(jù)客戶合同具體要求發(fā)貨
表面為酸白表面或噴沙表面,不得存在對使用有害的缺陷
經(jīng)熱處理角鋼的力學(xué)性能應(yīng)符合下表規(guī)定
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熱處理
Heat Treatment
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牌號
Grade
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拉伸試驗(yàn) Tensile Test
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硬度試驗(yàn)Hardness Test
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||||
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ò0.2
MPa
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òb
MPa
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§
5%
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HB
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HRB
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HV
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||
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不小于(Min)
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不大于(Max)
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||||||
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固溶處理
solution
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AIS1304
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205
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205
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40
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187
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90
|
200
|
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AIS1304L
|
205
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5202
|
40
|
187
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90
|
200
|
|
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SUS304L
|
175
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480
|
40
|
187
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90
|
200
|
|
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AIS1316
|
205
|
520
|
40
|
187
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90
|
200
|
|
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AIS1316L
|
175
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480
|
40
|
187
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90
|
200
|
|
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AIS1321
|
205
|
520
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40
|
187
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90.
|
200
|
|
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AIS1310
|
205
|
520
|
40
|
187
|
90
|
200
|
|
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退火處理
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AIS1410
|
205
|
450
|
40
|
183
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88
|
200
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不銹鋼熱軋等邊角鋼尺寸允許偏差（GB4227）
單位（Unit）:mm
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邊Side
A×B
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邊允許偏差
Side Tolerance
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厚度Thickness
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3 4 5 6 7 8 9 10 11 12
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厚度允許偏差Thickness Tolerance
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25×25
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±1.5
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±0.5
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±0.5
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±0.5
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|
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|
|
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|
|
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30×30
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±2.0
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±0.5
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±0.5
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±0.5
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±0.5
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|
|
|
|
|
|
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40×40
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±2.0
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±0.6
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±0.6
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±0.6
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±0.6
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±0.6
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|
|
|
|
|
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50×50
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±2.0
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±0.6
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±0.6
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±0.6
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±0.6
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±0.6
|
|
|
|
|
|
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60×60
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±3.0
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±0.6
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±0.6
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±0.6
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±0.6
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±0.6
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|
|
|
|
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65×65
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±3.0
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|
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±0.6
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±0.6
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±0.7
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±0.7
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±0.7
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|
|
|
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70×70
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±3.0
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|
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±0.7
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±0.7
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±0.7
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±0.7
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±0.7
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|
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|
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75×75
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±3.0
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|
|
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±0.7
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±0.7
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±0.7
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±0.7
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±0.7
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|
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80×80
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±3.0
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|
|
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±0.7
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±0.7
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±0.7
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±0.7
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±0.7
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90×90
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±3.0
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|
|
|
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±0.7
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±0.7
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±0.7
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±0.8
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±0.8
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±0.8
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100×100
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±4.0
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|
|
|
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±0.7
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±0.7
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±0.7
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±0.8
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±0.8
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±0.8
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