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GB4237 1Cr12 MARTENSITIC stainless steel plate is a kind of stainless heat-resistant steel for steam turbine blades and high-stress parts. GB4237 1Cr12 MARTENSITIC stainless steel plate is composed of chemical substances such as carbon, manganese, chromium and nickel. It has high tensile strength and is usually delivered in heat treatment state. KUNFENG is the supplier of GB4237 1Cr12 MARTENSITIC stainless steel plate, we have GB4237 1Cr12 MARTENSITIC stainless steel plate on sale.
Stainless steel 1Cr12 is a good stainless steel heat-resistant steel for steam turbine blades and high stress components.
| Element |
Weight % |
|
Fe |
84.6849 — 88.4999 |
|
Cr |
11.5 — 13.0 |
|
Mn |
0.0 — 1.0 |
|
Ni |
0.0 — 0.6 |
|
Si |
0.0 — 0.5 |
|
C |
0.0 — 0.15 |
|
P |
0.0 — 0.035 |
|
S |
0.0 — 0.03 |
|
Tensile strength σb (MPa) |
quenching and tempering, ≥590 |
|
Conditional yield strength σ0.2 (MPa) |
quenching and tempering, ≥390 |
|
Elongation δ5 (%) |
quenching and tempering, ≥25 |
|
Section shrinkage ψ (%) |
quenching and tempering, ≥ 55 |
|
Impact work Akv (J) |
quenching and tempering, ≥118 |
|
Hardness |
Annealed, ≤200HB; quenched and tempered, ≥170HB |
|
Thickness |
0.3-8mm |
|
Width |
600-2100mm |
|
Length |
2000-18000mm |
Tolerance: according to relevant standard
Surface: 2D, 2B, BA, No3, No4, polish and so on.
| Thickness |
2.5-25mm |
|
Width |
1000-2100mm |
|
Length |
4000-12000mm |
Tolerance: according to relevant standard
Surface: No.1
Heat treatment specifications: 1) Annealing, 800-900 ° C slow cooling or about 750 ° C rapid cooling; 2) quenching, 959 ~ 1000 ° C oil cooling; 3) tempering 700 ~ 750 ° C rapid cooling.
Metallographic organization: The tissue is characterized by martensite type.
Generally delivered in heat treatment state, the type of heat treatment is indicated in the contract; if not specified, it is delivered in the state of no heat treatment.
