Suitable for manufacturing deethanizer, carbon dioxide absorber, medium pressure flash tower, cooler, deethanizer, reabsorber, compressor shell, propane low temperature storage tank, etc. Petroleum and chemical equipment.

I. Delivery status of 09MnNiDR:

Delivery in normalized state can also be delivered in normalized+tempered or quenched and tempered state according to customer requirements, and delivered in quenched and tempered state according to requirements.

Second, 09MnNiDR standard chemical composition:

C:≤0. 12

Si:0. 15-0.50

P:≤0.002

S:≤0.0 15

Manganese: 1.20- 1.60

Als:≥0.0 15

Note: ≤0.04

Nickel: 0.30 to 0.80

Tensile strength at room temperature: 430-560 MPa；;

Room temperature yield strength: ≥ 280 MPa;

Room temperature elongation: ≥ 23%;

Charpy impact energy -70℃(V-notch): the average value of three samples is ≥27, and one sample is allowed ≥19;

Room temperature bending test: D=3a, bending 180, no crack.

Three. 09MnNiDR flaw detection standard:

The ultrasonic inspection standard of steel plate shall be implemented according to GB/T2970 or JB/T4730.3, and the inspection standard and qualified grade shall be indicated in the contract.

Four. 09MnNiDR quality requirements:

Cracks, bubbles, wrinkles and inclusions harmful to use are not allowed on the surface of steel plate. Steel plates should not be layered.