AISI 1010 / S10c Carbon Steel Tube – Mechanical Tubing – Seamless Steel Pipe
1020 / S20C Hydraulic Cylinder Tube , High Precision Skiving Pipe – Honed Steel Tubing
27SiMn seamless cold drawn steel tube, with black annealed out surface
4145H Modified Alloy Steel Round Bar, Hot Rolled Steel Bar
QT AISI 8260 Hot Rolled Steel Round Bar Size 10 - 350mm For Automobile
Categories：Steel Forgings
Model No.:O1
Round: Dia 16.0mm-1000mm.
Square/Flat: Th 10-120mm x W 30-610mm.
Length: as your request
Surface: Black/rough turned....
DIN1.2510 SKS3 O1 Tool Steel
Application
Typical applications for O1 tool steel are gauges, shims, stamps, jigs, cutters, templates, cams, guides, levers, saws, knives, straight edges, fixtures, machine parts, punches, blanking dies, draw dies, forming dies, lamination dies, molding dies, swaging dies, screw dies and trim dies, etc.
Quality Standard
-ASTM A681 Standard Specification for Tool Steel Alloy.
-BS EN ISO 4957-2000 Tool Steel.
-JIS G4404-2006 for Tool Steel.
Steel Grades
ASTM DIN JIS GB/T
O1 1.2510 SKS3 9CrWMn
Chemical Composition(%)
| Steel Grade | C | Si | Mn | P | S | Cr | V | W |
| O1 | 0.85-1.00 | 0.10-0.50 | 1.00-1.40 | 0.030 max | 0.030 max | 0.40-0.70 | 0.30 max | 0.40-0.60 |
| 1.2510 | 0.90-1.00 | 0.10-0.40 | 1.05-1.35 | 0.030 max | 0.030 max | 0.40-0.65 | 0.05-0.20 | 0.40-0.70 |
| SKS3 | 0.90-1.00 | 0.35 max | 0.90-1.20 | 0.030 max | 0.030 max | 0.50-1.00 | / | 0.50-1.00 |
| 9CrWMn | 0.85-0.95 | 0.40 max | 0.90-1.20 | 0.030 max | 0.030 max | 0.50-0.80 | / | 0.50-0.80 |
Heat Treatment
ANNEALING: Heat slowly and uniformly to 1140°F; soak thoroughly and then allow to cool slowly in the furnace to below 1000ºF.
HARDENING: Preheat thoroughly to 1200-1250°F and then raise temperature to 1450°F – 1500°F depending on section size. Hold until uniformly heated through. Use high side of hardening range for thicker sections.
Capacity
1,000 ton per month.
Test
Chemical analysis, Mechnical analysis, Ultrasonic testing, Metallographic, Straightness, Surface quality and dimension report.
Package
Each bundles of max 3,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Mill’s Test Certificate
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
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