Material Grade | Q195,Q215 A,Q215 B,Q235 A,Q235 B,Q235 C, Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460, SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290), 60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038), S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553), E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965),10#, 15#20# |
Standard | GB,JIS,ASTM,DIN |
Diameter | 5-120mm or as required |
Length | 300mm-1000mm and customized. |
Surface | Black, Pickled, Mill, Poilshed |
Technique | Electroslag remelting and Heat treatment |
Application | general engineering structure , cars, bridges, ships, boilers ,pressure vessels |
Trade Terms | EXW,FOB,CIF CFR |
Loading Port | Shanghai port, Tianjin port, Qindao port |
Payment terms | 1) 30% deposit by T/T, the balance against copy of B/L by T/T. |
2) 30% deposit by T/T, the balance by L/C at sight. | |
3) 100% L/C at sight. | |
MOQ | 1Ton |
Packing Detail | Standard export package:Wooden pallet +paperboard +steel strip(Customized requirements are accepted) |
Delivery time | 1.Usually,within10-20days after receiving deposit or LC. 2.According to the order quantity |
Samples | Free samples are provided but the fright is borne by the buyer |
Country | Japan | Germany | Britain | USA |
Standard | JIS G4103 | EN10250 | BS970 | ASTM A29 |
Grade | SNCM439 | 36CrNiMo4/1.6511 | EN24/817M40 | 4340 |
Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
4340 | 0.38-0.43 | 0.15-0.35 | 0.6-0.8 | 0.035 | 0.04 | 0.7-09 | 0.2-0.3 | 1.65-2.0 |
36CrNiMo4 | 0.32-0.4 | 0.4 | 0.5-0.8 | 0.035 | 0.035 | 0.9-1.2 | 0.15-0.3 | |
EN24 | 0.36-0.44 | 0.1-0.4 | 0.45-0.7 | 0.035 | 0.04 | 1.0-1.4 | 0.2-0.35 | 1.3-1.7 |
SNCM439 | 0.36-0.43 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 | 0.6-1.0 | 0.15-0.3 | 1.6-2.0 |
Size | Round | Dia 6-1200mm |
Plate/Flat/Block | Thickness 6mm-500mm | |
Width 20mm-1000mm | ||
Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
Delivery condition | Forged; Hot rolled; Cold drawn | |
Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
Payment terms | T/T;L/C;/Money gram/ Paypal | |
Trade terms | FOB; CIF; C&F; etc.. | |
Delivery time | 30-45 days | |
Application | 4340 alloy steels are used for aircraft landing gear, automotive, oil and gas drilling, warm and cold forming, machine building, transfer systems like power transmission gears and shafts, general engineering industries and structural use applicatios such as heavy duty shafts, gears, axles, spindles, couplings, pins, chucks, molds and so on. |
Category | Grades | Sizes | Standard |
Carbon structure steel | Q195, Q215, Q235, Q275 | 16mm-250mm | GB/T700-2006 |
Low alloy high strength structure steel | Q295, Q345, Q390, Q420, Q460 | 16mm-250mm | GB/T1591-2008 |
Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45 | 16mm-250mm | GB/T699-1999 |
Alloy structure steel | 30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cr,40Cr,20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiB, 45MnV, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V, | 16mm-250mm | GB/T3077-1999 |
Spring Steel | 65Mn, 60Si2Mn, 50CrVA | 16mm-250mm | GB/T1222-84 |
Bearing Steel | GCr15, GCr15GD,55SiMoV | 16mm-250mm | GB/T18254-2002 |
Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi, 20Cr, 40Cr, 30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, q345b,35MnBM, 40MnB,45MnV. | 16mm-250mm | GB/T5216-2004 |
Oil wells structural steel | 37Mn5, 36Mn2V | 16mm-250mm | Q/LYS248-2007 |
Marine anchor chain steel | CM490, CM690, M30Mn2 | 16mm-250mm | YB/T66-1987 |
GB/T18669-2002 |
GRADE | SIZE(MM) | GRADE | SIZE(MM) |
8#-10# | ∮16-290 | 65Mn | ∮40-300 |
15# | ∮14-150 | 45Mn2 | ∮18-75 |
20# | ∮8-480 | 60Si2Mn | ∮16-150 |
35# | ∮8-480 | 20CrMnTi | ∮10-480 |
45# | ∮6.5-480 | 20crmnTiB | ∮16-75 |
Q235B | ∮6.5-180 | GCr15 | ∮16-400 |
40Cr | ∮8-480 | ML35 | ∮8-150 |
20Cr | ∮10-480 | T8-T13 | ∮8-480 |
42CrMo | ∮12-480 | Cr12 | ∮16-300 |
35CrMo | ∮12-480 | Cr12MoV | ∮16-300 |
20CrMo | ∮12-300 | 3Cr2W8V | ∮16-300 |
38CrMoAL | ∮20-300 | 45Cr50Cr | ∮20-300 |
5CrMnMo | ∮20-450 | 20CrMnMo | ∮20-300 |
16Mn(Q345B) | ∮14-365 | 40Mn2 | ∮28-60 |
50Mn | ∮40-200 | 35Cr | ∮55 |
15CrMo | ∮20-75 | 15Mn | ∮32∮170 |
25# | ∮16-280 | 40CrMnMo | ∮80-∮160 |
YF45MnV | ∮28-80 | 20CrMnMo | ∮20-300 |
30# | ∮6.5-480 | 27 SiMn | ∮20-350 |
30Crmo | ∮28 | Crwmn | ∮20-300 |
30CrmnTi | ∮16-300 | H13(4Cr5MoSiVi) | ∮20-300 |
60# | ∮210.∮260 | 40crNimo | ∮20-400 |