GBT 55 Enquiry | Print this page
Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | 55 | GBT | China |
Chemical composition % of the ladle analysis of grade 55
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
---|---|---|---|---|---|---|---|
0.52-0.60 | 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) |
---|---|---|---|---|---|---|
752 (≥) | 371 (≥) | 42 | 14 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
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 |
---|---|---|---|---|---|---|---|
346 (≥) | 657 (≥) | 21 | 24 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
137 | 466 | 217 |
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 |
---|---|---|---|
A 1049 S32760 | GBT | China | Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components |
A 240 S32760 | GBT | China | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
A 276 S32760 | GBT | China | Stainless Steel Bars and Shapes |
A 314 S32760 | GBT | China | Stainless Steel Billets and Bars for Forging |
A 473 S32760 | GBT | China | Stainless Steel Forgings |
A 479 S32760 | GBT | China | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
A 511 S32760 | GBT | China | Seamless Stainless Steel Mechanical Tubing |
A 789 S32760 | GBT | China | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
A 790 S32760 | GBT | China | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
A 815 CRS32760 | GBT | China | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
A 815 WPS32760 | GBT | China | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
A 928 S32760 | GBT | China | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
A 959 S32760 | GBT | China | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
A 988 S32760 | GBT | China | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
S32760 | GBT | China | Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Wolfram Nitrogen Stainless Steel |
SA-240 S32760 | GBT | China | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
SA-276 S32760 | GBT | China | Specification for Stainless Steel Bars and Shapes |
SA-479 S32760 | GBT | China | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
SA-789 S32760 | GBT | China | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
SA-790 S32760 | GBT | China | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
Relevant products
55 Equivalent Grade Stock
Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
---|---|---|---|---|---|---|
1.2714 Hot-Work Mould Steel Flat Bar Stock(2019-09-03) | Select | 0 | Select | Enquiry | ||
15-5PH Forgrd Flat Bar | Select | 0 | Select | Enquiry | ||
1.2714 Stock list 2020-06-15 | Select | 0 | Select | Enquiry | ||
1.2714 QT Bar Stock List 2020-06-15 | Select | 0 | Select | Enquiry |