Standard steels

Ascometal^® also offers the usual product range complying with the relevant standards of the Oil & Gas sector :

Grades brochure

Special steels and standard steels

AISI 4130/4130 mod

• Mechanical characteristics conforming to API 6A in a large dimensional range
• H₂S variant hardness < 22 HRC
• Good weldability
• Good micro-cleanliness

AISI 4140

• Mechanical characteristics conforming to API 7.1 in a large dimensional range
• H₂S variant hardness < 22 HRC
• Good micro-cleanliness

AISI 4145H mod

• Godd micro cleanliness conforming to AMS 2301
• Good machineability, particularly for drilling

AISI 4340

• A good compromise between strength and toughness
• Excellent macro-inclusional cleanliness conforming to AMS 2301 (AMS 2304 on request)

AISI 4330V mod

• Very good strength and toughness
• Excellent macro-inclusional cleanliness conforming to AMS 2304

EN30B

• Good toughness at low temperatures
• Excellent macro-inclusional cleanliness conforming to AMS 2304

AISI 410/420

• H₂S/CO₂ corrosion resistance
• Excellent macro inclusion cleanliness conforming to AMS 2301
• Mastered δ ferrite content

petro / ac standards

Grades for the OIl & Gas market (as per API 7.1)

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Grades for the Oil and Gas market (as per API 6A and NACE MR0175 / ISO 15156 if required)

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Nuances haut chrome pour le forage et l’exploitation pétrolière (selon API7.1 ou API6A et NACE MR0175 / ISO15156 si exigé)

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Case-hardening grades for drill bits

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Steels grades for miscellanous uses

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