At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to DIN 17200. DIN 17200 ‘Steels for quenching and tempering (heat-treatable steels) – Technical delivery conditions’. Covers non-alloy (C22-C60), manganese, and Cr/Cr-Mo/Ni-Cr-Mo alloy through-hardening steels used to manufacture high-strength studs, bolts and machined fasteners in the quenched-and-tempered condition.
DIN 17200 ‘Steels for quenching and tempering (heat-treatable steels) – Technical delivery conditions’. Covers non-alloy (C22-C60), manganese, and Cr/Cr-Mo/Ni-Cr-Mo alloy through-hardening steels used to manufacture high-strength studs, bolts and machined fasteners in the quenched-and-tempered condition.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| C22 / Ck22 | 1.0402 / 1.1151 | Non-alloy Q&T steel |
| C35 / Ck35 | 1.0501 / 1.1181 | Non-alloy Q&T steel |
| C45 / Ck45 | 1.0503 / 1.1191 | Non-alloy Q&T steel |
| 28Mn6 | 1.1170 | Manganese Q&T steel |
| 34Cr4 / 41Cr4 | 1.7033 / 1.7035 | Chromium Q&T steel |
| 25CrMo4 / 34CrMo4 | 1.7218 / 1.7220 | Cr-Mo Q&T steel |
| 42CrMo4 | 1.7225 | Cr-Mo high-strength Q&T steel |
| 34CrNiMo6 / 30CrNiMo8 | 1.6582 / 1.6580 | Ni-Cr-Mo high-strength Q&T steel |
Minimum mechanical requirements per DIN 17200.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| C35 +QT (16-40 mm) | 80-94 (550-700) | 40 (280) | 20 | 160-210 HB |
| C45 +QT (16-40 mm) | 94-116 (650-800) | 62 (430) | 16 | 185-235 HB |
| 25CrMo4 +QT (16-40 mm) | 116-138 (800-950) | 87 (600) | 14 | 235-280 HB |
| 42CrMo4 +QT (16-40 mm) | 131-160 (900-1100) | 94 (650) | 12 | 270-330 HB |
| 34CrNiMo6 +QT (16-40 mm) | 145-174 (1000-1200) | 116 (800) | 11 | 300-360 HB |
| 30CrNiMo8 +QT (16-40 mm) | 160-189 (1100-1300) | 131 (900) | 10 | 330-390 HB |
| Grade | Key Composition, % |
|---|---|
| C45 | C 0.42-0.50, Mn 0.50-0.80, Si <=0.40 |
| 25CrMo4 | C 0.22-0.29, Cr 0.90-1.20, Mo 0.15-0.30 |
| 42CrMo4 | C 0.38-0.45, Cr 0.90-1.20, Mo 0.15-0.30 |
| 34CrNiMo6 | C 0.30-0.38, Ni 1.3-1.7, Cr 1.3-1.7, Mo 0.15-0.30 |
| 30CrNiMo8 | C 0.26-0.34, Ni 1.8-2.2, Cr 1.8-2.2, Mo 0.30-0.50 |
Superseded by EN 10083-1/-2/-3. Grades map to AISI/SAE 1035/1045/4130/4140/4340, BS 970 080M40/708M40/817M40, and are parent steels for ISO 898-1 property classes 8.8-12.9.
For the official DIN standards catalogue, see the DIN standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We supply DIN 17200 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
Ananka Fasteners supplies every lot with full material traceability and third-party testing on request.
DIN 17200 ‘Steels for quenching and tempering (heat-treatable steels) – Technical delivery conditions’. Covers non-alloy (C22-C60), manganese, and Cr/Cr-Mo/Ni-Cr-Mo alloy through-hardening steels used to manufacture high-strength studs, bolts and machined fasteners in the quenched-and-tempered condition.
Ananka Fasteners supplies C22 / Ck22, C35 / Ck35, C45 / Ck45, 28Mn6, 34Cr4 / 41Cr4, 25CrMo4 / 34CrMo4, 42CrMo4, 34CrNiMo6 / 30CrNiMo8 to DIN 17200. See the Grades / Classes Covered table above for full details of each grade.
Minimum tensile strength, yield strength, elongation and hardness requirements vary by grade — see the Mechanical Properties table above for the complete breakdown.
We supply DIN 17200 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
Yes. For a quotation, provide the required fastener type, grade, nominal size, dimensional standard, quantity and any inspection or certificate requirements.
Need a fastener released to DIN 17200 for an industrial project? Send the required fastener type, grade, size, quantity and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: DIN 17200 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per DIN 17200 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
