Bar and Rod
Plate and Sheet
Strip
Pipe and Tube
Wire
Welding
Powder Material
Cast Products
Forged Products
Fittings
Fastening
Round Bar:
φ2–500 mm, 1–6 m length
Flat/Square Bar:
4–100 mm thickness/width
Hex Bar:
A/F 3–100 mm
Hollow Bar:
OD 20–300 mm
Sheet:
0.3–6 mm thickness
Medium Plate:
6–25 mm thickness
Heavy Plate:
25–100 mm thickness
Standard Strip:
0.05–3 mm thick,
10–600 mm wide
Precision strip:
0.01–0.5 mm thick,
tight tolerance ±0.005 mm
Foil:
0.005–0.1 mm thick
Seamless Tube:
OD 6–450 mm,
WT 1–50 mm,
1–12 m length
Welded Tube:
OD 10–600 mm,
WT 1–20 mm
Capillary Tube:
OD 1–10 mm,
WT 0.1–2 mm
Wire Form:
Cold Drawn Wire,
Bright Wire,
Spring Wire,
Fine Wire,
Ultra-fine Wire
General Diameter:
φ0.1–10 mm
Coil Weight:
50–500 kg,
customizable tolerance
Solid Wire:
φ0.8–4.0 mm
Flux-cored Wire:
φ1.2–4.0 mm
Welding Rod:
φ2.0–5.0 mm
Powder Form:
AM 3D Printing Powder,
Spherical Powder,
Gas-atomized Powder,
Water-atomized Powder
Particle Size:
10–150 μm
Sphericity:
≥90% for AM grade
Cast Ingot:
φ200–800 mm
Precision Casting:
min wall 0.5 mm
Cast Pipe:
OD 100–600 mm,
WT 10–50 mm
Forged Bar:
Φ35–500 mm
Forged Ring:
OD 200–2000 mm
Forging Weight:
1–5000 kg
Fittings Form:
Elbow, Tee, Reducer, Flange, Cap, Outlet, Lap Joint
Size range:
1/2''–24'' (DN15–DN600)
Wall thickness:
Sch10–Sch160, STD, XS, XXS
Pressure Class:
150–2500 LB
Fastening Form:
Bolt, Nut, Screw, Stud, Washer, Pin, Rivet
Metric: M3–M64
Imperial: #4–2.5''
Length: 6–500 mm
X7Cr13 is a low-carbon chromium ferritic stainless steel containing about 13% chromium. This datasheet presents the material within the Werkstoff-Nummer (DIN / EN) designation system.
With about 13% chromium and low carbon, 1.4000 is the lower-carbon version of the 13% chromium martensitic grade and, unlike that grade, cannot be hardened by heat treatment. It shows resistance to steam, alkaline solutions, dilute acids (nitric, formic, oxalic), salts (nitrates, nitrites, carbonates) and hot petroleum fumes, fuels, alcohols, ethers, food products, lubricants, water and oils — adequate at low concentrations and low temperatures. Being ferritic and low-nickel, it is magnetic and offers good formability. It does not show resistance to intergranular corrosion before or after welding.
Typical applications include rectification (distillation) columns, cracking pipes, heat exchangers, machinery and food-industry equipment parts, and pressure-vessel linings.
| Property | Value | Unit |
|---|---|---|
| Density | 7.7 | g/cm³ |
| Melting range | 1480–1530 | °C |
| Elastic modulus | 220 | GPa |
| Coefficient of thermal expansion (20–100 °C) | 10.5 | µm/m·°C |
| Thermal conductivity (20 °C) | 25.0 | W/m·K |
| Specific heat (20 °C) | 460 | J/kg·K |
| Structure | Ferritic | — |
| Element | Symbol | Min % | Max % | Role in Alloy |
|---|---|---|---|---|
| Iron | Fe | Balance | — | Base element |
| Chromium | Cr | 12.0 | 14.0 | Corrosion / oxidation resistance |
| Manganese | Mn | — | 1.00 | Deoxidiser |
| Silicon | Si | — | 1.00 | Deoxidiser |
| Nickel | Ni | — | — | Residual |
| Carbon | C | 0.08 | 0.12 | Slightly higher than X6Cr13 |
| Phosphorus | P | — | 0.040 | Residual impurity |
| Sulphur | S | — | 0.015 | Residual impurity |
Annealed (+A) condition, per EN 10088-2 for W.Nr. 1.4001.
| Condition | Property | Value |
|---|---|---|
| Annealed | Tensile strength (Rm) | 400–600 MPa |
| Annealed | 0.2% proof strength (Rp0.2) | ≥220 MPa |
| Annealed | Elongation (A5) | ≥20 % |
| Annealed | Hardness | ≤200 HB |
| — | Elastic modulus | 220 GPa |
Values per EN 10088-2; not hardenable by heat treatment. Confirm against the inspection certificate (EN 10204).
| Environment | Performance | Notes |
|---|---|---|
| Atmospheric / general | Good | Adequate at low concentrations / temperatures |
| Steam / alkaline solutions | Good | Resists steam and dilute alkalis |
| Dilute acids (nitric, formic, oxalic) | Moderate | At low concentrations |
| Salts (nitrates, carbonates) | Moderate | At low concentrations |
| Intergranular corrosion | Not resistant | Before or after welding |
Corrosion resistance is adequate in mildly corrosive media at low concentrations and temperatures; the grade is not resistant to intergranular corrosion.
A low-carbon, non-hardening grade; cannot be hardened by heat treatment. Properties are set by annealing.
Anneal Heat to approximately 750–820 °C and cool slowly. The low-carbon composition avoids martensite formation. Avoid prolonged exposure near 475 °C (embrittlement).
Weldable; the low carbon limits heat-affected-zone hardening. However the grade is not resistant to intergranular corrosion after welding; use a stabilized or austenitic filler where corrosion resistance of the weld is critical.
| Welding Process | Applicability | Filler / Consumable |
|---|---|---|
| GTAW / TIG | Good | Matching or austenitic (309) for ductility |
| GMAW / MIG | Good | Matching or austenitic filler |
| SMAW / stick | Good | Matching or 309 electrode |
Austenitic fillers give a more ductile, corrosion-resistant weld where required.
Machining Guidelines
| Parameter | Recommendation |
|---|---|
| Machinability | Good; similar to other ferritic grades |
| Work hardening | Low rate — good formability |
| Coolant | Ample flood coolant |
Forming Processes
| Process | Notes |
|---|---|
| Cold forming | Good — bending, roll forming, drawing |
| Hot forming | ~1100–800 °C; anneal afterward |
| Industry | Typical Components | Key Requirements |
|---|---|---|
| Oil & coke | Rectification columns, cracking pipes | Steam / petroleum-fume resistance |
| Heat transfer | Heat exchangers | Mild corrosion resistance |
| Food industry | Machinery and equipment parts | Corrosion resistance + formability |
| Pressure vessels | Vessel linings | Corrosion resistance |
| Product Form | DIN / EN Standard | Notes |
|---|---|---|
| Plate, sheet and strip | EN 10088-2 · W.Nr. 1.4001 | X6Cr13 |
| Bar, rod and sections | EN 10088-3 · W.Nr. 1.4001 | — |
| Seamless tube | EN 10216-5 / EN 10297-2 · W.Nr. 1.4001 | — |
| Technical delivery | SEW 400 | — |
Low-carbon chromium ferritic stainless steel. W.Nr. 1.4001 (X7Cr13).
| EN Symbol | Cr % | C % | Hardenable | Best Used For |
|---|---|---|---|---|
| X7Cr13 | 12–14 | 0.08–0.12 | Limited | Low-C 13Cr ferritic; slightly higher carbon than X6Cr13 |
| X6Cr13 | 12–14 | ≤0.08 | No | Low-C non-hardening 13Cr ferritic |
| X12Cr13 | 11.5–13.5 | 0.08–0.15 | Yes | Martensitic 13Cr; hardenable (410) |
| X6Cr17 | 16–18 | ≤0.08 | No | General 17Cr ferritic (430) |
| X2CrTi12 | 10.5–12.5 | ≤0.03 | No | 11Cr-Ti muffler-grade ferritic |
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