33Mncrb5 39Mncrb6 Alloy Steel Plate
33MnCrB5 is a German steel grade related to alloy structural steels. Currently, there is no corresponding steel grade in China. It can be made according to chemical elements. The steel contains traces of boron (B) 0.0008-0.005 per cent, which improve the hardenability and hardening capacity of the steel.
39MnCrB6 belongs to the material group "Hardened and Tempered Steels". 39MnCrB6" steel has an alternative name. 39MnCrB6 contains carbon, chromium, manganese, phosphorus, silicon and sulphur. 39MnCrB6-2 Yield Strength of σb (MPa): 1100~1350 Yield Strength of σs (MPa): ≥900; 39MnCrB6-2 Elongation of 39MnCrB6-2 δ (%): ≥12; 39MnCrB6-2 section shrinkage ψ (%): ≥50; 39MnCrB6-2 hardness (soft annealed): ≤255HBW.
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33MnCrB5 steel plate chemical composition:
| C | Si | Mn | P | S | Cr | B |
| 0.3 - 0.36 | max 0.4 | 1.2 - 1.5 | max 0.025 | max 0.035 | 0.3 - 0.6 | 0.0008 - 0.005 |
39MnCrB6 steel plate chemical composition:
| C | Si | Mn | P | S | Cr | B |
| 0.36 - 0.42 | max 0.4 | 1.4 - 1.7 | max 0.025 | max 0.035 | 0.3 - 0.6 | 0.0008 - 0.005
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Additional condition ： UT (ultrasonic testing), AR (hot rolled only), TMCP (thermomechanical processing), N (normalized), Q+T (quenched and tempered), Z direction test (Z15, Z25, Z35), Charpy V- Test notch impact test, third party test (such as SGS test), shot blasting and coated painting.
We can provide customized services. We can customize LR Shipbuilding Steel Plate, EN 1.8958 1.8961 weathering resistant steel, 33MnCrB5 39MnCrB6 Alloy Steel Plate and other products according to your needs. If you have any needs, please contact us.
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