A694全称为ASTM A694，是高压传输设备用碳素钢及合金钢管法兰、配件、阀门及零件用锻件。

其牌号有： F42 F46 F48 F50 F52 F56 F60 F65 F70.

牌号 最小屈服强度（0.2%变型），KSI(Mpa) 最小拉伸强度KSI(Mpa) 标距为2英寸或50mm的最小延伸率，%

F42 42（290） 60（415） 20

F46 46（315） 60（415） 20

F48 48（330） 62（425） 20

F50 50（345） 64（440） 20

F52 52（360） 66（455） 20

F56 56（385） 68（470） 20

F60 60（415） 75（515） 20

F65 65（450） 77（530） 20

F70 70（485） 82（565） 18

Carbon, max 0.26 0.265

Manganese, max 1.40 1.44

Phosphorus, max 0.025 0.030

Sulfur, max 0.025 0.030

Silicon 0.15–0.35 0.10–0.40

Referenced Documents

2.1 In addition to those reference documents listed in Specification A 961, the following list of standards apply to this specification:

2.2 ASTM Standards: A 53/A 53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless A 106 Specification for Seamless Carbon Steel Pipe for High-Temperature Service

A 381 Specification for Metal-Arc-Welded Steel Pipe for Use with High-Pressure Transmission Systems

A 707/A 707M Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service

A 788 Specification for Steel Forgings, General Requirements

A 961 Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications

2.3 ASME Standards:

ASME B 16.5 Steel Pipe Flanges and Flanged Fittings

ASME B 16.9 Steel Butt-Welding Fittings

ASME B 16.10 Face-to-Face and End-to-End Dimensions of Ferrous Valves

ASME B 16.11 Forged Steel Fittings, Socket Welding and Threaded

ASME B 16.28 Wrought Steel Butt-Welding Short Radius Elbows

ASME B 16.47 Large Diameter Steel Flanges

ASME A694 Roc-Master ,shanghai ,jiangxi factroy.

2.4 MSS Standards:

MSS SP-44 Standard for Steel Pipe Line Flanges

MSS SP-75 Specification for High-Test Welding Fittings

MSS SP-95 Swage (d) Nipples and Bull Plugs

MSS SP-97 Integrally Reinforced Forged Branch Outlet Fittings

2.5 API Standard: 5L Specification for Line Pipe.

主要标准有：ASME B16.9，ASME B16.47，ASME B16.5，ASME B16.11，ASME B36.10M,MSS SP-75，MSS SP-97 GB/T12459 ,DIN2632，DIN2576，DIN2527，DIN2653，DIN256，HG20592~HG20605等各种美标，德标，俄标，日标标准！

A234 WPB,A234 WP1，A234 WP5，A234 WP11，A234 WP12，A234 WP22，A234 WP91，WB36，A420 WPL3，A420 WPL6，A350 LF2， LF3，A105，A515 GR.60，A515 GR.70，A516 GR.60，A516 GR.70，MSS SP75 WPHY42/46/52/56/60/65/70/80，A860 WPHY42/46/52/56/60/65/70/80，A694 F42/46/52/56/60/65/70/80 ，20#，16Mn，Cr5Mo，12Cr1MoV，15CrMo ST37.0,ST35.8,ST45.8,S235JR,P235GH ASTM A106 GR.A,ASTM A106 GR.B，ASTM A53 GR.B API 5L GR.B，API 5L X42/46/52/56/60/65/70/80, A182 F304/F304L/F316/F316L/F321/F347 A403 ！WP304/WP316/WP321/WP347等各种碳钢合金钢材质

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