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Round bar
Material:
Stainless Steel:
201 202 204 207 207CU 301 302 303 303B 304 304L 304N 308 308L 308 LSI 309 309L
309LSI 309S 309SI 310 310S 314 316 316L 316LSI 321 330 347 348 384 410 420 430
Alloy Steel:
Chinese Standard:16Mn,20Mn,30Mn2,30Mn5,40Cr,Q345D,Q345E,Q390;42CrMo,
20CrMo,38CrMoAl,40CrNiMo;48CrMo,5CrNiMo;
Japanese Standard:SCM415,SCM420,SCM440,SNCM439,SNCM220; SACM645
USA Standard:SAE4140,SAE4130,SAE9840,SAE4340,AISI4145H,SAE4150,SAE8620,
European Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,
S355J2G3,ASTM A105,ST52-3,16MnCr5,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511,
56NiCrMoV7,18NiCrMo5,30CrNiMo8,34NiCrMo16,41CrAlNi7,34CrAlNi7,B7,B16,F11,
F12,F22,F5,F9,51Cr4.
Carbon steel bar:
Chinese Standard:20#,25#,35#,45#,50#,60#;
Japan Standard:S20C,S25C,S35C,S45C,S55C,S60C;
US Standard:AISI1020,AISI1040,AISI1045,AISI1050;
Europe Standard:CK15,C.22,C45,CK45,C60,CK60;C45E;
Tool Steel:1.2714,H13,H11,P20,SKD61;
Delivery condtion:Hot forged+Normalzied+Rough Machined.
Size:Dia90mm- Dia800mm.
Steel ingot:EAF+LF+VD.
Ultra-sonic test: as per SEP 1921 Group III C/c,D/d,E/e,
As forged condition straightness: ≤4mm/m, RT bar straightness: ≤2mm/m
As forged diameter tolerance: -0/+8mm; RT diameter tolerance:-0/+3 mm
Grain size: as per ASTM E112-96 Grade 5 or finer for normalized/annealed/QT condition
Non-metal inclusion: as per ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5
Name | Round bar |
Brand | TISCO,BAOSTEEL,CGXYSTEEL |
Material Grade | Stainless steel, Alloy steel, Carbon steel. |
Standard | ANSI/ASTM/SUS/GB/DIN/EN/BS |
Diameter | from 4mm to 500mm |
Length | 12m,11.8m,6m,5.8m,4m or as your requirement |
Tolerance | a) Diameter: +/-0. 15mm |
b) Length:+/-4. 5mm - 0mm | |
Surface | 180G, 320G, 400G Satin / Hairline(Matt Finish, Brush, Dull Finish) 400G, 500G, 600G or 800G Mirror finish |
Application | Ornamental tubes, Decoration construction, upholstery, industry machine,Petroleum, chemical, construction, textile, medicine, aviation, aerospace, railway, highway, landscape protection, metallurgical machinery and other fields |
Trade Term | FOB Shanghai, Tianjin, Guangzhou, China or CIF discharging port |
Sales Mode | Factory direct sales |
Test | Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT |
Size toleramce:
Hot-rolled steel round or square bar:
d/a(mm) | 5.5-7 | 7-20 | 20-30 | 30-50 | 50-80 | 80-110 | 110-150 | 150-190 | 190-250 |
(mm) | +0.30 -0.30 | +0.35 -0.35 | +0.40 -0.40 | +0.50 -0.50 | +0.70 -0.70 | +1.0 -1.0 | +1.3 -1.3 | +2.0 -2.0 | +2.5 -2.5 |
Hot-rolled flat bar:
Width(mm) | Thickness(mm) | ||||
Size | Size tolerance | Size | Size tolerance | ||
Normal | Better | Normal | Better | ||
10-50 | +0.5, -1.0 | +0.3, -0.9 | 3-16 | +0.3, -0.5 | +0.2, -0.4 |
50-75 | +0.6, -1.3 | +0.4, -1.2 | 16-60 | +1.5% -3.0% | +1.0% -2.5% |
75-100 | +0.9, -1.8 | +0.7, -1.7 | |||
100-150 | +1.0%, -2.0% | +0.8%, -1.8% | |||
2013 High Quality Round bar