사양, 화학 및 기계 성능
Our drill steel blooms produced with continuous casting and rolling process flow per the United States API SPEC7 standard, with grades of AISI4145H (for drill collars) and SAE4137 (for drill pipe joints) being widely used in major oilfields across China and exported to North America. They have been highly appraised for their high purity and balanced composition and performance.
Our main end users include Daqing Oilfield, NOV Grant Prideco, Smith International, Baker Hughes, Heyuan Alloys, World-Rise Petroleum Technology, Shanxi Fenglei Drilling Tools Co., Jiangsu Shuguang Huayang Drilling Tool Co., etc.
실행 표준 / 일반 강 / 사양
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표준 구현 |
전형적인 철강 |
제품 사양 |
|---|---|---|
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ASTM standards 사용자 동의 또는 상호 동의 |
SAE4145H、SAE4137H SAE4145HM、SAE4137HM 37CrMnMoA、ASE4340 |
Round rolled:Φ10~250 Round Forging:Φ100~950 송곳니 롤 : □ 80 ~ 200 |
개요:
（1）Delivery state: hot-rolled, normalized, annealed, quenched and tempered.
（2） Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
