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Mechanical Forged Steel Bar ASTM A182 F22 Grade Alloy Steel 2.25% Chromium

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SHANGHAI UNITE STEEL

Mechanical Forged Steel Bar ASTM A182 F22 Grade Alloy Steel 2.25% Chromium

Country/Region china
City & Province shanghai shanghai
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Product Details

ASTM A182 F22 Hot-forged-steel-bar, forged steel bar, Small MOQ

 

Application

A182 F22 steel is a low alloy steel containing nominally 2.25% Chromium. This A182 F22 steel is widely used in the oil patch wellhead applications for connectors, hangers and block valves. Hardness levels up to 22 HRC are approved to NACE MR0175. The grade is often used as the base metal for clad components. If supplied to ASTM A182 in the normalised and tempered condition, the 0.2% Proof Stress minimum is 30 KSI.

All Grades Comparison

 

Material no.                    DIN                             ASTM

 

1.7380                        10CrMo9-10                  A182 F22

Size Range

2”∅ – 36”∅

Chemical Composition(%)

CMnSiPSCrMo
0.05-0.150.30-0.600.50 max0.040 max0.040 max2.00-2.500.87-1.13

 

Mechanical Properties(T=20°C)

Delivery ConditionTensile Strength Rm (Mpa)Yield Strength Rp0.2 (Mpa)Elongation(%)Reduction Ratio(%)Hardness (HB)
Normalized and Tempered900 min675 min///
Slow Cooling415 min205 min20 min35 min170 max

 

HEAT TREATMENT

Normalizing: Temperature: 920°-980°C.
Stress Relieving: Stree relieving to remove maching stresses should be carried out by heating to 675°C, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
Austenization: Temperature:920°-980°C
Tempering: Tempering temperature: 650°-750°C
Forging: Hot forming temperature: 850°-1050°C

 

Pakage:

transportation of forged bar

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