# Alloy 4130 (AMS 6346 / AMS 6370) Chrome-Moly Aircraft Steel - Bar Stock List

Here is a list of our readily available stock of Alloy 4130 (AMS 6346/ AMS 6370) Chrome-Moly Aircraft Steel. Other sizes may be available on request. For all stock availability contact Sales.

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**Availability
**Alloy 4130 (AISI 4130) is available in Sheet, Tube, Plates, Rods, Bars (Square Bar, Round Bar, Hexagon Bar, Flat Bar) and Welding Wire. For all stock availability contact Sales.

Alloy 4130 HT Flat Bar*CD - Cold Drawn |
3/4 X 1 CD 3/4 X 1-1/2 CD 3/4 X 2 CD 1 X 1-1/4 CD 1 X 1-1/2 CD |
1 X 2 CD 1 X 2-1/2 CD 1 X 3 CD 1 X 4 CD 1-1/4 X 2 CD |
1-1/4 X 3 CD 1-1/2 X 2 CD 1-1/2 X 3 CD |

Alloy 4130 HT Hexagon Bar*CD - Cold Drawn |
3/8 CD 7/16 CD 1/2 CD 9/16 CD 5/8 CD |
3/4 CD 13/16 CD 7/8 CD 15/16 CD 1 CD |
1-1/16 CD 1-1/8 CD 1-1/4 CD |

Alloy 4130 HT Round Bar*CD - Cold Drawn |
3/16 CD 1/4 CD 9/32 CD 5/16 CD 3/8 CD 13/32 CD 7/16 CD 15/32 CD 1/2 CD |
17/32 CD 9/16 CD 5/8 CD 11/16 CD 3/4 CD 13/16 CD 7/8 CD 15/16 CD 1 CD |
1-1/16 CD 1-1/8 CD 1-3/16 CD 1-1/4 T-CD TL 1-5/16 T-CD TL 1-3/8 T-CD TL 1-1/2 T-CD TL |

Alloy 4130 HT Square Bar*CD - Cold Drawn |
1/4 CD 5/16 CD 3/8 CD 7/16 CD |
1/2 CD 5/8 CD 3/4 CD 7/8 CD |
1 CD 1-1/8 CD 1-1/4 CD 1-1/2 CD |

Alloy 4130 Norm Flat Bar*CD - Cold Drawn HR - Hot Rolled |
3/16 X 1 CD 3/16 X 1-1/2 CD 3/16 X 2 CD 1/4 X 1 CD 1/4 X 1-1/4 CD 1/4 X 1-1/2 CD 1/4 X 1-3/4 CD 1/4 X 2 CD 1/4 X 2-1/2 CD 1/4 X 3 CD 1/4 X 4 CD 1/4 X 5 CD 5/16 X 1 CD 5/16 X 1-1/2 CD 5/16 X 2 CD 3/8 X 3/4 CD 3/8 X 1 CD 3/8 X 1-1/4 CD 3/8 X 1-1/2 CD 3/8 X 1-3/4 CD 3/8 X 2 CD 3/8 X 2-1/2 CD 3/8 X 3 CD 3/8 X 4 CD 3/8 X 5 CD 3/8 X 6 CD 1/2 X 3/4 CD 1/2 X 1 CD 1/2 X 1-1/4 CD 1/2 X 1-1/2 CD 1/2 X 1-3/4 CD 1/2 X 2 CD 1/2 X 2-1/2 CD 1/2 X 3 CD 1/2 X 4 CD |
1/2 X 5 CD 1/2 X 6 CD 5/8 X 1 CD 5/8 X 1-1/4 CD 5/8 X 1-1/2 CD 5/8 X 2 CD 5/8 X 2-1/2 CD 5/8 X 3 CD 5/8 X 4 CD 5/8 X 6 CD 3/4 X 1 CD 3/4 X 1-1/4 CD 3/4 X 1-1/2 CD 3/4 X 1-3/4 CD 3/4 X 2 CD 3/4 X 2-1/2 CD 3/4 X 3 CD 3/4 X 4 CD 3/4 X 5 CD 3/4 X 6 CD 1 X 1-1/4 CD 1 X 1-1/2 CD 1 X 1-3/4 CD 1 X 2 CD 1 X 2-1/2 CD 1 X 3 CD 1 X 4 CD 1 X 5 CD 1 X 6 CD 1-1/4 X 1-1/2 CD 1-1/4 X 2 CD 1-1/4 X 2-1/2 CD 1-1/4 X 3 CD 1-1/4 X 4 CD 1-1/4 X 6 CD |
1-1/2 X 1-3/4 CD 1-1/2 X 2 CD 1-1/2 X 2-1/2 CD 1-1/2 X 3 CD 1-1/2 X 4 CD 1-1/2 X 5 CD 1-1/2 X 6 CD 1-3/4 X 3 CD 2 X 2-1/2 CD 2 X 3 CD 2 X 4 CD 2 X 5 CD 2 X 6 CD 2-1/2 X 4 CD 2-1/2 X 5 CD 2-1/2 X 6 CD 3 X 4 CD 3 X 5 CD 3 X 6 CD 1-3/4 X 3 HR 1-3/4 X 4 HR 2 X 2-1/2 HR 2 X 3 HR 2 X 4 HR 2 X 5 HR 2 X 6 HR 2-1/2 X 3 HR 2-1/2 X 4 HR 2-1/2 X 6 HR 3 X 4 HR 3 X 5 HR 3 X 6 HR 4 X 6 HR |

Alloy 4130 Norm Hexagon Bar*CD - Cold Drawn |
1/4 CD 5/16 CD 3/8 CD 1/2 CD 9/16 CD 5/8 CD |
11/16 CD 3/4 CD 7/8 CD 1 CD 1-1/8 CD 1-1/4 CD |
1-3/8 CD 1-1/2 CD 1-5/8 CD 1-3/4 CD 2 CD |

Alloy 4130 Norm Round Bar*CD - Cold Drawn |
1/8 CD 3/16 CD 7/32 CD 1/4 CD 9/32 CD 5/16 CD 21/64 CD 11/32 CD 3/8 CD 25/64 CD 13/32 CD 7/16 CD 15/32 CD 1/2 CD 17/32 CD 9/16 CD 5/8 CD 11/16 CD 3/4 CD 13/16 CD 7/8 CD 15/16 CD 1 CD 1-1/16 CD 1-1/8 CD 1-3/16 CD 1-1/4 T-CD TL 1-5/16 T-CD TL 1-3/8 T-CD TL 1-7/16 T-CD TL 1-1/2 T-CD TL 1-9/16 T-CD TL 1-5/8 T-CD TL |
1-3/4 T-CD TL 1-7/8 T-CD TL 2 T-CD TL 2-1/8 T-CD TL 2-3/16 T-CD TL 2-1/4 T-CD TL 2-3/8 T-CD TL 2-1/2 T-CD TL 2-5/8 T-CD TL 2-3/4 T-CD TL 2-7/8 T-CD TL 3 T-CD TL 3-1/8 T-CD TL 3-1/4 T-CD TL 3-3/8 T-CD TL 3-1/2 T-CD TL 3-3/4 T-CD TL 4 T-CD TL 4-1/4 T-CD TL 4-1/2 T-CD TL 1 T-HR TL 1-1/4 T-HR TL 1-1/2 T-HR TL 1-5/8 T-HR TL 1-3/4 T-HR TL 1-7/8 T-HR TL 2 T-HR TL 2-1/8 T-HR TL 2-1/4 T-HR TL 2-3/8 T-HR TL 2-1/2 T-HR TL 2-5/8 T-HR TL 2-3/4 T-HR TL |
2-7/8 T-HR TL 3 T-HR TL 3-1/4 T-HR TL 3-3/8 T-HR TL 3-1/2 T-HR TL 3-5/8 T-HR TL 3-3/4 T-HR TL 4 T-HR TL 4-1/4 T-HR TL 4-1/2 T-HR TL 4-3/4 T-HR TL 5 T-HR TL 5-1/4 T-HR TL 5-1/2 T-HR TL 5-3/4 T-HR TL 6 T-HR TL 6-1/4 T-HR TL 6-1/2 T-HR TL 6-3/4 T-HR TL 7 T-HR TL 7-1/2 T-HR TL 8 T-HR TL 8-1/2 T-HR TL 9 T-HR TL 9-1/2 T-HR TL 10 T-HR TL 11 T-HR TL 12 T-HR TL 13 T-HR TL 14 T-HR TL 16 T-HR TL 18 T-HR TL 20 T-HR TL |

Alloy 4130 Norm Square Bar*CD - Cold Drawn |
1/2 CD 5/8 CD 3/4 CD 7/8 CD 1 CD 1-1/8 CD |
1-1/4 CD 1-1/2 CD 2 HR-RCS 2-1/4 HR-RCS 2-1/2 HR-RCS 3 HR-RCS |
3-1/2 HR-RCS 4 HR-RCS 5 HR-RCS 6 HR-RCS |

**Specifications**

AMS 6345 Sheet / Plate, Normalised

AMS 6346 Bar Hardened & Tempered

AMS 6350 Sheet / Plate

AMS 6351 Sheet / Plate, spheroidised

AMS 6370 Bar

AMS 6371 Tube

MIL-S-6758

MIL-S-18729

MIL-T-67366

AISI 4130

ASTM A322

ASTM A331

S534

S535

UNS G41300

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**Disclaimer**

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.