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  • 石油和天然气  Oil and Gas

    GEM manufacture a highly engineered range of petro-chemical grade stud bolt assemblies and fasteners developed specifically for critical applications in the petro chemical and processing Industries.

    Our product range includes all grades of stud materials and heavy hexagonal nuts complying with DIN,GB,ISO,ATSM specifications.

    All material grades used in the petrochemical industry are catered for; materials generally available are released to both DIN,GB,ISO,ATSM standards.

    Forging Capacity

    Cold forge bolts from: M12 to M36 (½" - 1½")

    Hot forge bolts from: M12 to M100 (½" – 4")

    Stud Bolts

    We supply stud bolts for pressure vessels, valves, flanges and fittings.

    Studs M12 to M120 (½" - 5")

    Petrochem bolts

    Threaded studs: B7 / L7 / B7M / L7M / B16 B8 / B8M Class 1 and Class 2 Stainless Steel

    Grades: 8.8, 10.9 & 12.9

    Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn / Zn Phosphating; Xylan.

    Studs and Bolts

    Petrochemical grades, stainless steel grades, exotic alloys: (nickel, brass, bronze, titanium), all threaded rod, low carbon studs, heavy hex bolts.

    Threaded studs: B7 / L7 / B7M / L7M / B16 B8 / B8M Class 1 and Class 2 Stainless Steel

    Grades: 8.8, 10.9 & 12.9

    Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn / Zn Phosphating; Xylan.

    Nuts

    Heavy hex, all materials and grades, industrial electroplating and specialty coatings.

    Nuts: 2H / 2HM / Gr4 / GR7 / 7M

    Finishes: Zinc plating; Zinc Nickel; Hot Dip Galvanizing; Sherardized; Delta; Mn /Zn Phosphating; Xylan.

    万博手机注册登录公司制造石油化工、化工工程的双头万博man手机客户端和紧固件。

    我们的产品范围覆盖符合DIN,GB,ISO,ATSM等标准的所有等级的万博man手机客户端材料和重型六角万博man手机客户端。

    所有材料等级都满足石化行业的需求;通常用的材料都符合DIN,GB,ISO,ATSM等的标准。

     

    冷锻万博man手机客户端:规格从M12到M36 (½" - 1½")

    热锻万博man手机客户端:规格从M12到M100 (½" – 4")

    双头万博man手机客户端

    我们为压力容器,阀门,法兰和配件提供双头万博man手机客户端。

    万博man手机客户端规格从M12到M120 (½" - 5")

    石油工业用万博man手机客户端

    全螺纹螺柱:B7 / L7 / B7M / L7M / B16 B8 / B8M 1等级和2等级不锈钢

    等级:2H / 2HM / Gr4 / GR7 / 7M

    表面处理:热镀锌;锌镍;热浸锌;粉末镀锌;久美特;锰/锌磷化;

    石化等级螺柱和万博man手机客户端

    不锈钢等级,合金:(镍、铜、青铜、钛),牙条,低碳螺柱,重型六角万博man手机客户端。

    全螺纹螺柱:B7 / L7 / B7M / L7M / B16 B8 / B8M 1等级和2等级不锈钢

    等级:8.8, 10.9 & 12.9

    表面处理:热镀锌;锌镍;热浸锌;粉末镀锌;久美特;锰/锌磷化;

    螺母

    重型六角万博man手机客户端,所有材料和等级,工业电镀和特殊涂层

    螺母:2H / 2HM / Gr4 / GR7 / 7M

    表面处理:热镀锌;锌镍;热浸锌;粉末镀锌;久美特;锰/锌磷化

    产品展示  Products
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