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Yancheng Baojun Stainless Steel Products Co.,LTD. Our company is specialized in stainless steel steel products manufacturer, has many years of experience, professional and technical personnel, enthusiastic service attitude, make our products sell well both at home and abroad.We can be customized for clients spcial specification and special material products.The exact information about ASME**6Construction Material Cold rolled Half Round Steel Beam as fellows : **6 Stainless steel bright bar details: Grade: **1,**4,**9S,**0S,**6,**6L,**0,**0F,Etc. Standard: AISI,ASTM,JIS,DIN,GB,EN,Etc. Diamension: Hot-rolled,pickled stainless steel round bar diameter range is5.5~**0mm Cold-drawn Bright stainless steel round bar diameter range is 2~*0mm Centerless Grinding Bright stainless steel round bar diameter range is 4.0~*0mm Peeled Bright round bar diameter is from *0~**0mm Straightness variation: Hot-working stainless steel round bars…3mm| 1.*0m, Max× (Length m|1.*0m) Cold-working stainless steel round bar… 3mm| 1.*0m, Max×1.*0mm×(Length m|1.*0m) Surface treatment: Hot-rolled, pickled, Cold-draw, Straightening, Polish, Peeling, Polish, or Grinding, some need to do heat treatment properly according to customer’s request The Tolerance of Diameter and Shape for Hot-rolled Round Bar Diameter/mm Precision Tolerance Precision Level 1group 2group 3group 5.**7 ± 0.*0 ± 0.*0 ± 1.*0 >***2 ± 0.*5 ± 0.*5 ± 0.*0 >****0 ± 0.*0 ± 0.*0 ± 0.*0 >****0 ± 0.*0 ± 0.*0 ± 0.*0 >****0 ± 0.*0 ± 0.*0 ± 0.*0 >*****0 ± 0.*0 ± 1.0 ± 1.1 >******0 ± 1.2 ± 1.3 ± 1.1 The Tolerance of Diameter and Shape for Cold-rolled Round Bar Size/mm Tolerance Tolerance Level *-h8 *-h9 **-h*0 **-h*1 **-h*2 **-h*3 3 **0.**4 **0.**5 **0.**0 **0.**0 **0.*0 **0.*4 >**6 **0.**8 **0.**0 **0.**8 **0.**5 **0.*2 **0.*8 >***0 **0.**2 **0.**6 **0.**8 **0.**0 **0.*5 **0.*2 >****8 **0.**7 **0.**3 **0.**0 **0.**0 **0.*8 **0.*7 >****0 **0.**3 **0.**2 **0.**4 **0.**0 **0.*1 **0.*3 >****0 **0.**9 **0.**2 **0.**0 **0.**0 **0.*5 **0.*9 >****0 **0.**6 **0.**4 **0.**0 **0.**0 **0.*0 **0.*6 Rull of rod bend Level Warp,mm/m,Max Total Warp,mm,Max Size/mm ***5 >****0 >****0 ***0 h*-h9 1 0.*5 0.*0 Total Length is the arithmetic Product of per meters' warp. h**-h*1 3 2 1 h**-h*3 4 3 2 Steel for automatical cutting 2 2 1