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title: "440B — 6 equivalent grades, compared"
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AISI / SAE · United States · 6 grades

# 440B

The designation 440B is carried by 6 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **6**
- [*Category* **Bearing steels · 17 grades**](/categories/bearing-steels "Category: Bearing steels · 17 grades")
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades")

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")

## Which of the 6 do you want?

This name is carried by several grades. The elements shown are the ones whose values actually differ across the set — the ones that decide the question. Values are the source text verbatim; an em dash means no value on file for that element on that grade, not zero.

| Grade | Material no. | Category | Designations | C% | Cr% | Mo% | Si% | P% | S% |
|---|---|---|---|---|---|---|---|---|---|
| [X102CrMo17](/materials/din-en/x102crmo17 "X102CrMo17") | [1.3543](/materials/material-no/1.3543 "1.3543") 1.3 | [Bearing steels](/categories/bearing-steels "Bearing steels") | 15 | 0,95-1,20 | 16,0-18,0 | 0,40-0,80 | ≤1,00 | 0,04 | 0,015 |
| [X85Cr17](/materials/din-en/x85cr17 "X85Cr17") | [1.4041](/materials/material-no/1.4041 "1.4041") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 15 | 0,75-0,95 | 16,0-18,0 | ≤0,75 | ≤1,00 | 0,04 | 0,03 |
| [X65CrMo14](/materials/din-en/x65crmo14 "X65CrMo14") | [1.4109](/materials/material-no/1.4109 "1.4109") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 32 | 0,60-0,75 | 14,0-16,0 | 0,40-0,80 | ≤0,70 | 0,04 | 0,015 |
| [X90CrMoV18](/materials/din-en/x90crmov18 "X90CrMoV18") | [1.4112](/materials/material-no/1.4112 "1.4112") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 32 | 0,85-0,95 | 17,0-19,0 | 0,90-1,30 | ≤1,00 | 0,04 | 0,015 |
| [X105CrMo17](/materials/din-en/x105crmo17 "X105CrMo17") | [1.4125](/materials/material-no/1.4125 "1.4125") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 50 | 0,95-1,20 | 16,0-18,0 | 0,40-0,80 | ≤1,00 | 0,04 | 0,015 |
| [X105CrCoMo18-2](/materials/din-en/x105crcomo18-2 "X105CrCoMo18-2") | [1.4528](/materials/material-no/1.4528 "1.4528") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 13 | 1,00-1,10 | 16,5-18,5 | 1,00-1,50 | ≤1,00 | 0,045 | 0,03 |

## Not sure which one your print means?

Search the catalogue by designation, material number or composition — every name on this page is itself a way in.

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")