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UT 1.7220/4130/30CrMo 4130 Hot Rolled Black Steel/ Cold Drawn Bright Steel Round Bar

UT 1.7220/4130/30CrMo 4130 Hot Rolled Black Steel/ Cold Drawn Bright Steel Round Bar

https://www.gcmicgroup.com/UT-7220-4130-30CrMo-4130-Hot-Rolled-Black-Steel-Cold-Drawn-Bright-Steel-Round.html

UT 1.7220/4130/30CrMo High hardenability, no tempering brittleness, good weldability, little tendency to form cold crack, good machinability and cold strain plasticity

Steel Grade 1.7220/4130/30CrMo
Dimension Thick  10-800mm x Width210-810mm / Diameter Ø10-1000mm
Delivery Condition HB≤197
Surface Treatment Black Surface / Milled Surface / Polished Surface
Production Condition Two Sides Cut or Four Sides Cut
Stock Quantity 1000 tons
Ultrasonic Test Sep1921-84 D/D or E/e Under 100% Test
MOQ 10 tonnes
Mill Sheet Certificate Provided
HS Code Hot Rolled:722830 Forged: 722840 
Technique Hot Rolled / Forged
Lead Time 7-10 days
Trademark UTSTEEL

Chemical Composition(%)

C Si Mn Cr S P Mo V Ni W
0.30-0.37 ≤0.4 0.60-0.90 0.90-1.20 ≤0.03 ≤0.03 0.15-0.30 / ≤0.30 /

Application 

Suitable for making the high pressure tube and various fasteners, high grade carburized parts such as gear, shaft, etc., which works in non-corrosive media under temperature below 250 ℃ , and n a medium containing a mixture of nitrogen and hydrogen.

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