4" Steel Plate (4.00") - Precision Steel in 986 Stock Sizes
Select your grade and specification for your 4" steel plate
4" Steel Plates are always delivered in machined condition:
✔ NO decarburization on the surfaces.
✔ Less dirt on your machines during further processing – nothing but clean chips.
✔ Stress-relieved flat steel avoids warping of components during further machining.
✔ Get the close-to-finish-size thickness and width you need for the components you plan.
Your success is our success!
4" Steel Plate available in following Grades

• H13
• H13 ESR
• L3
• L6
• P20
• P20 PH
• P20 + Ni
• S7
• 2990 mod.
• 420 ESR
• 420 LC
• 52100 - L1
• 6f7 ESR
• M4
• 304
• 314
• 316 - 316L
• 316Ti
• 410
• 420
• 420 mod.
• 420RM
• 430F
• 431
• 440B
• 440C
4 Inch Steel Plates with Tight Tolerances
Precision Ground Steel Plates Regular
For example: 4" x 4" x 36"
Thickness: Ground, tol. +/-0.001"Width: Ground or fine milled, tol. +0.005" / -0.000"
Length: Milled or saw cut, tol. +0.125" / +0.500"
Precision Ground Steel Plates Oversize
For example: 4" x 4" x 36"
Thickness: Ground, tol. +0.010" / +0.015"
Width: Ground or fine milled, tol. +0.010" / +0.015"
Length: Milled or saw cut, tol. +0.125" / +0.500"
Steel Plates Regular
For example: 4" x 4" x 36"
Thickness: Ground, tol. +/-0.001"
Width: Saw cut, tol. +0.125" / +0.250"
Length: Saw cut, tol. +0.500" / -0.000"
Steel Plates Oversize
For example: 4" x 4" x 36"
Thickness: Ground or fine milled, tol. +0.015" / +0.035"
Width: Saw cut, tol. +0.125" / +0.250"
Length: Saw cut, tol. +0.500" / -0.000"
What makes these steel plates special?
these plates deliver exactly what professionals need.
Reliability, Dimensional Accuracy and Minimal Follow-up Work.