GBT 50 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 50 | GBT | China |
Chemical composition % of the ladle analysis of grade 50
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Cu(%) |
|---|---|---|---|---|---|---|---|
| 0.47-0.55 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.25 | 0.3 | 0.25 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 447 (≥) | 948 (≥) | 13 | 24 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 815 (≥) | 183 (≥) | 14 | 41 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 447 | 598 | 738 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| G2500 | GBT | China | Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum |
| G2500a | GBT | China | Used in the products of the automobile, truck, tractor, and allied industries |
| G3500 | GBT | China | Used in the products of the automobile, truck, tractor, and allied industries |
| G3500b | GBT | China | Diesel engine cylinder block, truck and tractor cylinder block and cylinder head, flywheel, tractor transmission case and heavy-load gear box |
| G3500c | GBT | China | Used in the products of the automobile, truck, tractor, and allied industries |
| S20501 | GBT | China | Stainless steel and heat resistant steel |
| S21500 | GBT | China | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| S47450 | GBT | China | Steels of blade for steam turbine |
| S47670 | GBT | China | Steels of blade for steam turbine |
| A 240 S30500 | GBT | China | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S30500 | GBT | China | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 S30500 | GBT | China | Stainless Steel Bars and Shapes |
| A 313 S30500 | GBT | China | Stainless Steel Spring Wire |
| A 314 S30500 | GBT | China | Stainless Steel Billets and Bars for Forging |
| A 368 S30500 | GBT | China | Stainless Steel Wire Strand |
| A 473 S30500 | GBT | China | Stainless Steel Forgings |
| A 478 S30500 | GBT | China | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 492 S30500 | GBT | China | Stainless Steel Rope Wire |
| A 493 S30500 | GBT | China | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| A 580 S30500 | GBT | China | Stainless Steel Wire |
Relevant products
50 Equivalent Grade Stock
| Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
|---|---|---|---|---|---|---|
| 15-5PH Forgrd Flat Bar | Select | 0 | Select | Enquiry |