Bulb Flat Steel has good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. Bulb flat steels are also used to build ship and vessels and other steel structures, Shipbuilding Project, Bridges, Transmission Tower, Lifting Transportation Machinery.
All steel grades for Bulb flat steel we can offer as follows:
| MATERIAL | STEEL GRADE |
| Shipbuilding special steel | Grade A, Grade B, Grade AH32,Grade AH36,Grade AH40,Grade DH32,Grade DH36,Grade DH40 CCS,ABS,GL,LR,NK,BV,DNV,KR,RINA CERTIFICATE |
| Carbon special steel | Q235B,Q345B,S355JR,S235JR,A36,SS400,A283 Grade C,St37-2,St52-3 |
| Steel Standard | Size | D | B | KG/M |
| Bulb Flat GB/T9945 EN10067:1997 | GB6 | 5 | 60 | 3.38 |
| GB8 | 5 | 80 | 4.61 | |
| GB9 | 5.5 | 90 | 5.55 | |
| GB10# | 6 | 100 | 6.68 | |
| GB12# | 6.5 | 120 | 8.78 | |
| GB14a | 7 | 140 | 11.1 | |
| GB14b | 9 | 140 | 13.3 | |
| GB16a | 8 | 160 | 14.17 | |
| GB16b | 10 | 160 | 16.68 | |
| GB18a | 9 | 180 | 17.5 | |
| GB18b | 11 | 180 | 20.32 | |
| GB20a | 10 | 200 | 21.58 | |
| GB20b | 12 | 200 | 24.72 | |
| GB22a | 11 | 220 | 25.87 | |
| GB22b | 13 | 220 | 29.33 | |
| GB24a | 12 | 240 | 30.55 | |
| GB24b | 14 | 240 | 34.22 | |
| GB27a | 12 | 270 | 34.53 | |
| GB27b | 14 | 270 | 38.77 | |
| 80X5 | 5 | 80 | 4.25 | |
| 80X6 | 6 | 80 | 4.88 | |
| 80X7 | 7 | 80 | 5.51 | |
| 100X6 | 6 | 100 | 5.08 | |
| 100X7 | 7 | 100 | 6.36 | |
| 100X8 | 8 | 100 | 7.65 | |
| 120X6 | 6 | 120 | 7.32 | |
| 120X7 | 7 | 120 | 8.26 | |
| 120X8 | 8 | 120 | 9.2 | |
| 140X7 | 7 | 140 | 9.76 | |
| 140X8 | 8 | 140 | 10.85 | |
| 140X9 | 9 | 140 | 11.9 | |
| 140X10 | 10 | 140 | 13.05 |
Bulb Flat Steel Specification
Steel Name: Bulb flat steel, Ball flat steel, Flat Bulb steel
Main steel grades: S355JR,Q345B,St52-3,S235JR,A283 Grade C,A36,
St37-2,Q235B,SS400,A,B,AH32,AH36
Steel standard: EN 10067:1997, GB/T9945-2001
Rolling range: HP80*5--HP432*20, Length 6000mm-12000mm
We can supply any size based on customer's requirements.
Surface Treatment: Hot rolled and Coated or Shot blasting and painting
Main steel grades: S355JR,Q345B,St52-3,S235JR,A283 Grade C,A36,
St37-2,Q235B,SS400,A,B,AH32,AH36
Steel standard: EN 10067:1997, GB/T9945-2001
Rolling range: HP80*5--HP432*20, Length 6000mm-12000mm
We can supply any size based on customer's requirements.
Surface Treatment: Hot rolled and Coated or Shot blasting and painting
Additional Condition of Bulb Flat Steel:
AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Charpy V-Notch Impact Test, The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:service3@katalor.com or liulucy.0212@gmail.com
Fax :0086-21-61182425
E-mail:service3@katalor.com or liulucy.0212@gmail.com
skype:lisa.liu6282
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