W-Nr. 1.6772 Case Hardening Steel
Specifications 1.6772 Datasheet, Stocklist 1.6772 Chemical, Inventory 1.6772 Suppliers Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined.
| Product parameters | |
| Specification Code:: | DIN 17445,17440(1999/1996), DIN EN 10088-1, 10297,10272,10312 |
| Terms of Price:: | Ex works, CIF, CFR |
| Melting Process Route:: | EAF + VD + LF / BEF + ESR |
| Ultrasonic Test Standard:: | ASTM E2375 / MIL-STD- AMS 2154 / SEP 1923 / GB/T 4162 / EN 10228-3 / EN 10308 |
| Production Lead Time:: | Within 65 days after 40% deposit prepayable |
| Unified Social Credit Code:: | 91510871777942750J |
| Company ISO Register No:: | UQ211218R0 |
Description
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rods.
Mechanical parts - connecting rod, bolt and nut
Multidiameter shafts.
SHAPES & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5 to 550mm
Square bar / Flat bar: 10 to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T20 - 300mm X W60 - 1000mm X L1000-12000mm
Forging piece: stepped shafts / other different shapes based on OEM.
Official Test Certificate: issued by TUV - SGS - BV
MATERIAL TYPE - Quenched and tempered steel
MATERIAL STANDARDS - DIN EN 10084
CHEMICAL COMPOSITION ( Mass Weight %) - Grade 1.6772
C (％): 0.18 ~ 0.25, Si (％): 0.15 ~ 0.40, Mn (％): 0.30 ~ 0.50
P (％)≤: 0.020, S (％)≤: 0.010
Cr (%): 1.20 ~ 1.50, Ni (%): 3.40 ~ 4.00, Mo (%): 0.25 ~ 0.50
Fe (%): balance
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Tensile strength σb≥/MPa: 985
Yield strength σs≥/MPa: 815
Elongation δ5 ≥(%): 20.0
Reduction of area ψ(％) ≥: -
